The price has been reduced. 2023/4/14 Sales price 79,800 yen Maintained! A tube control amplifier that uses a CR non-return equalizer section by PROFACT in Hokkaido. You can enjoy straight and realistic sound with a simple circuit configuration that omits tone control. There are thick line scratches on the bottom of the front panel, and there is a feeling of use throughout (Murakoshi Yoichi)
Maintenance information: 2023.4.13 maintenance (selector switch, TAPE monitor switch disassembly contact polishing grease application, volume check, operation check of each input/output.)
Accessories: none
Main specifications: used vacuum tube E88CC x 3 input PHONO2 system, LINE 2 system W480 x H105 x D300 mm 8.0 kg
Disposal prices have been reduced! Member prices are not applicable. 2023/11/1 sales price 498,000 yen Hi-Fi is in stock for the first time! Macintosh vacuum tube control amplifiers. When the power is turned on, the vacuum tube is enveloped in a green light. Although it has a classic appearance, it is equipped with a High Drive headphone amplifier and is compatible with a wide range of headphones (Daiki Goto)
Maintenance information: 2023.11.1 operation confirmed
Accessories: original box, remote control, instruction manual, power cable
Main specifications: 12AX7A x 4 vacuum tubes used, frequency characteristics: 20 Hz to 20,000 Hz (+0, -0.5 dB), 15 Hz to 100,000 Hz (+0, -3 dB), rated output: balanced 5V, unbalanced 2.5 V W518 x H337 x D413 mm 8.3 kg
Prices have been drastically reduced. 2023/10/28 Sales price 99,800 yen Maintained! ※Line-only model. A QUAD control amplifier with a modern design. The characteristic is that it has a simple, straightforward, yet bouncy texture that brings out the depth of sound. By adopting a dual triode 6111WA as the central control device, a high signal-to-noise ratio has been achieved with a simple configuration. There is a feeling of use such as dullness on the exterior. Serial C242083 (Takasaki Atsushi)
Maintenance information: 2023.10.28 Maintained (smoothing and filter part, electrolytic capacitor replacement, solder correction, transformer misalignment, reinstallation, and each input/output check.)
Accessories: instruction manual, power cord
Main specifications: used vacuum tube 6111WA x 1 (double triode) LINE input/RCA x 5 systems, TAPE input/output/RCA x 2 systems
Strain, W300 x H88 x D125 mm, weight 3.4 kg
Disposal prices have been reduced. Member discounts will not be applied. 2023/2/1 sales price 99,800 yen*The output is a direct cable outlet with a dedicated QUAD2 terminal. It cannot be connected to a general power amplifier. Maintained! Quad tubular mono control amplifier. The analog EQ curve can be switched with a single button, making it perfect for mono recording enthusiasts. Input 3 becomes TAPE input by simultaneously pressing buttons 1 and 2, and a signal is output. 4 and 5 are phono (Murakoshi Yoichi)
Maintenance information: 2023.1.31 maintenance (repair of poor contact with each volume and selector (due to the structure, there are times when there is a small amount of gripping and switching noise.) , 15 μF and 2 other electrolytic capacitors, 0.1 μF oil capacitors and 2 others, lamp replacement. Vacuum tube socket and RCA jack caulking repair. Other operations have been checked.)
Accessories: none
Main specifications: Line 3, Phono MM2 system, W263 x H88 x D150 mm, weight about 3 kg
The interior has been overhauled! Original Model 7. You can enjoy a clear, glossy mid-high range tone and a thick, and exquisite sense of balance. For analog fans, it's a model that's been over half a century since it was released, but it's still one they admire. The glossy, indescribable tone is a charm that cannot be experienced on modern consoles (Sasaki Shota)
Maintenance information: 2023.8.1 maintenance completed (・block capacitor mounting bake damage replacement)
2023.7.21 Maintained (· Vacuum Tube 12AX7 Noise and Deterioration Replacement 2 → 2023.7.16 Supplies Arrived · Oil Capacitors 0.01 μF Other Deterioration Replacement 5 · Vacuum Tube Socket and RCA Jack Reclaimed Repairs)
2021.12.2 Maintained (special diode → replaced with high voltage selenium. 4 diodes deteriorated → replaced with low voltage selenium. 3 additional diodes. Poor contact improvement repair for each selector. 3 x Subchassis Rubber Pad Replacement Vacuum tube 12AX7 deterioration replacement. Block capacitor 20 μF x 3 defective replacement. An electrolytic capacitor of 20 μF was added. Electrolytic capacitors 200 μF and 4 other deterioration replacements. Front lamp replacement. Vacuum tube socket and RCA jack caulking repair)
Accessories: none
Main specifications: tube type control amplifier, vacuum tube, ECC83/12AX7, 3-stage NF equalizer, NF type, step switching control, W453 x H185 x D267 mm, weight 7.5 kg
The price has been reduced. 2023/11/1 sales price 258,000 yen This is a vacuum tube control amplifier where you can enjoy the “fresh and glossy sound” unique to Uesugi. Specifications that are particular about the details are reflected in the sound, such as using a transformer developed in collaboration with Tamura Seisakusho and a sorting tube made by Matsushita. Also, I feel the beauty of the careful internal wiring done by hand by craftsmen. There are small scratches on the exterior. Serial 090 (Miura Kimiya)
Maintenance information: 2023.11.1 operation confirmed
Accessories: no accessories
Main specifications: 12AX7 vacuum tube used, size W435 x H146 x D360 mm, weight 14 kg
The price has been drastically reduced! 2023/10/22 sales price 398,000 yen Maintained in 2022/10. A masterpiece of hybrid amplifiers that is highly popular for its clear, wide dynamic range, and pleasant to the touch tone. The sound of the SA-5000, which combines the natural and delicate expression typical of a vacuum tube with the ease of cutting typical of a transistor, continues to fascinate enthusiasts even now. The exterior has dullness and small scratches. Serial 35K78 (Kimiya Miura)
Maintenance information: 2022.10.23 Maintained (semi-fixed volume replacement. Idling current, offset voltage adjustment. socket cleaning. Running check)
Accessories: instruction manual copy, power cord
Main specifications: copper plated floating chassis separate power supply vacuum tube/12AX7 x 1, 6DJ8 x 6, 6ca4 x 1, body dimensions W480 x H113 x D322 mm, body weight 13 kg, power supply weight 5.5 kg
The price has been reduced. 2023/10/22 Sales price 218,000 yen Maintenance completed! A convenient preamp with phono equalizer and tone control. Beautiful hand wiring without using a printed circuit board. Made to make you feel thorough noise suppression, the vacuum tube uses a special specification ECC83 in the latter half of the 1970s, and details such as independent left and right tone control have been carefully crafted. Perfect to pair with the U-BROS-30. The tone is natural and high quality. The exterior is only dull (Kobayashi Hitoshi)
Maintenance information: 2023.10.22 Maintenance completed (tone switch disassembly, cleaning, RCA jack, severe looseness replacement, vacuum tube pin cleaning, rotary SW reinstallation, sound check for each input/output)
Accessories: instruction manual
Main specifications: Vacuum tube used, 12 AX7 x 4, phono equalizer (MM), tone control possible, 4 line system inputs, W375 x H146 x D360 mm, 9.0 kg
Full maintenance with attention to detail has been completed, such as replacing 39 capacitors, dismantling switches, plate polishing, and cabinet exterior repairs! A tubular control amplifier representing Lux. It's a lux sound that is soft and has a solid mid-range sound. The sound becomes more familiar depending on how it sounds, so I want you to use this amp for a long time. Serial 20120706 (Hiroki Aso)
Maintenance information: 2023.7.23 Maintenance completed (exterior repair, polishing, paint, deterioration parts replacement, various switches, cleaning, input/output waveform confirmation, total harmonic distortion, SNR measurement, sound output test)
Accessories: instruction manual copy power cable
Main Specifications: Tubular Control Amplifier Vacuum Tube 12AX7 x 6/12 AU7 x 1 Input: Phono 2 System Line System 3 System Tape System 2 System Output: 2 Line W476 x H190 x D275mm 12 kg
The price has been drastically reduced! 2023/10/19 sales price 298,000 yen 2023/3 maintenance completed product! Black type with VU meter. Famous ONLIFE U-22 control amplifier. The plump, delicate, and clean, and elegant sound typical of a tube amp is appealing. The simple circuit design eliminates sound quality deterioration as much as possible. Recommended for vintage fans and analog enthusiasts. The external condition shows dullness and small scratches over time. Serial 30325 (Asahina Satoshi method)
Maintenance information: 2023.3.31 Maintained (vacuum tube 12AU7 defective replacement, TONE switch and volume disassembly repair and semi-fixed resistance readjustment, gang error improvement measures → resistance 1/4W added, AC cord, broken wire, replacement, oil capacitor, 0.5 μF, other deterioration replacement, 10 electrolytic capacitors, 22 μF, other deterioration replacement, 8 units, vacuum tube socket and RCA jack caulking repair
(*Operation has been checked with other AC100V)
Accessories: original box
Main specifications: tube preamp 12 AX7 x 4, 12 AU7 x 2 with UV meter, size W430 x H145 x D245 mm, weight 6.5 kg
Disposal prices have been reduced. Member discounts are not applicable. 2023/10/18 sales price 120,000 yen A preamp for tube type lines equipped with tone control. The moist sound seems to go well with female vocals and strings (Murakoshi Yoichi)
Maintenance information: 2023.10.15 sound output confirmed
Accessories: none
Main specifications: W358 x H105 x D215 mm 4.5 kg
Disposal prices have been reduced! (Member discounts are not applicable) 2023/9/13 Sales price 468,000 yen Maintenance completed! Comes with a cabinet A late model of the C20 that was refreshed with maintenance such as capacitor replacement. Among Mackin's control amplifiers, it is a popular gem with a particularly rich, glossy tone. Not only the jazz, but the vocal tone is also excellent. The unique, rich, and highly artistic tone shows that it goes particularly well with vintage speakers. As for the exterior, scratches, oxidation, and some lettering are about to disappear. Serial 7L516 (Tamura Eiji)
Maintenance Information: 2023.9.12 Maintained (AC cord replaced. Cabinet fixing screws and height adjustment timber added. Main volume disassembly, cleaning and repair. Front lamp replacement. Block capacitors 40 μF x 2 and 2 other deterioration replacements. Two large capacity electrolytic capacitors → replaced with block capacitors. Oil capacitors 0.47 μF and 17 others were replaced. Electrolytic capacitors 8 μF and 5 other deteriorated replacements. RCA jack polish and rattling improvement treatment. Vacuum tube socket caulking repair*Other operation has been checked with AC 100 to 117 V)
Accessories: wood cabinet
Main specifications: Tubular phono 2 system phono equalizer curve variable W435 x H190 x D380 mm (cabinet included)
The price has been drastically reduced! 2023/10/6 sales price 398,000 yen maintenance completed. A replica model that reproduces the famous Model 7 from yesteryear as faithfully as possible at Marantz's North Carolina plant. The glossy mid-high range with a high sense of transparency has been firmly inherited, and you can enjoy the perfect balance of sharpness and thickness unique to 7. The exterior is dull, scratched against the cabinet, and some chips. (YONEJIMA Satoshi)
Maintenance Information: 2023.7.4 Maintained (4 additional missing cabinet front screws. Main volume disassembly, cleaning and repair. Vacuum tube ECC83 deterioration replacement. 5 vacuum tube shield case replacements Front lamp replacement. Vacuum tube socket and RCA jack caulking repair. Other than that, operation has been checked with AC100V (the OUT LEVEL on the back side has been minimized to bring the volume curve closer to the original)
Accessories: no accessories
Main specifications: ECC83/6 vacuum tubes used W391 x H155 x D261 mm 5 kg
The price has been drastically reduced! 2023/9/28 sales price 128,000 yen Vacuum tube type preamp for line input only. The simple circuit is designed to bring out only the taste of the vacuum tube, improving the lack of three-dimensional effect. The sound is solid and thick in the middle and bass. The exterior is dull, etc., and there is a feeling of use. Serial 12J02 (Asahina Satoshi method)
Maintenance information: 2023.9.28 Operation confirmed
Accessories: none
Main specifications: Vacuum tube used 12BH7A frequency characteristics 10-100 kHz (-1 dB) power consumption 25 W size W400 x H100 x D310 mm weight 6.5 kg
Comes with a wood cabinet. Maintenance has been completed, such as deteriorated capacitors and resistor exchanges! The original C22 is a famous machine admired by enthusiasts. The thick, soft, and extruding tone is a comfortable tone that can only be enjoyed at Old Mackins. It has a rich tone centered on the high-concentration mid-range, and it sounds full of realism. The exterior has dullness and small scratches due to aging. Serial 74A01 (Yonejima Satoshi)
Maintenance information: 2023.9.30 Maintained (Vacuum Tube ECC83 Defect and Deterioration Replacement 3, Each Switch and Selector Contact Failure Repair/Switching Noise Reduction Countermeasures → Resistance 1/4 W Added 8, 8 Resistors, 100 μF Deterioration Replacement, 2 Electrolytic Capacitors, 1 W and 1/2 W Noise Replacement, 11 Resistors, 11 1W and 1/2W Noise Exchanges, Rubber Bushing Repair for Vacuum Tube Cover, Vacuum Tube Socket and RCA Jack Caulking Repair. (Operation has been checked with other AC100-117 V)
Accessories: no accessories
Main specifications: 4 input systems, phono, 2 systems, frequency characteristics, 20 Hz to 20 kHz (± 0.5 dB), signal-to-noise ratio, 85 dB (high level), 62.5 dB (low level), distortion ratio 0.2%, W406 x H138 x D330 mm, 7.3 kg
The price has been drastically reduced. 2023/9/9 sales price 398,000 yen maintenance completed! A masterpiece of hybrid amplifiers that is highly popular for its clear, wide dynamic range, and pleasant tone. It combines the natural and delicate expression typical of a vacuum tube with the sharpness typical of a transistor. The excellent tone of the SA-5000 continues to captivate enthusiasts even now. Serial 125K73 (Itsuro Mizushima)
Maintenance information: 2023.9.29 maintenance (INPUT selector, buffer output level rotary switch replacement. (Running check, each input/output check.) 2021.10.22 Maintenance (electrolytic capacitor, vacuum tube socket replacement. BIAS adjustment, offset adjustment. Each input/output check (set MC position, buffer OUT OFF).)
Accessories: copy of instruction manual, power cable
Main specifications: Copper-plated floating chassis power supply use vacuum tube/12AX7 x 1, 6DJ8 x 6, 6CA 4 x 1, body dimensions W480 x H113 x D322 mm, body weight 13 kg, power supply weight 5.5 kg
*Line-only model. This is a QUAD control amplifier with a modern design. The characteristic of sound quality is that even though it is simple and straightforward, it has a bouncy texture and brings out the thickness of the sound. By adopting a dual triode 6111WA as the central control device, a high signal-to-noise ratio has been achieved with a simple configuration. The exterior is dull, etc., and there is a feeling of use. Serial C242083 (Takahashi Nobuyuki)
Maintenance information: 2023.9.18 Operation confirmed
Accessories: instruction manual, power cable, original box
Main specifications: Vacuum tube used: 6111 WA × 1 (double triode), LINE input/RCA × 5 system, TAPE input/output, RCA × 2 system
System, W300 x H88 x D125 mm, weight 3.4 kg
In addition to replacing capacitors, overhauls of SW classes, etc. are completely refreshed! A tubular control amplifier representing Lux. It's soft and has a solid mid-range sound. The sound becomes more familiar depending on how it sounds, so I want you to use this amp for a long time. There is a slight stain on the exterior (Kobayashi Hitoshi)
Maintenance information: 2023.9.16 Maintained (StepUp transformer socket, tantalum capacitor, block capacitor, electrolytic capacitor, film capacitor, rectifier diode, DIN terminal, power supply SW, headphone volume replacement, RCA terminal polishing, tone VR, lever SW disassembly, cleaning, and oxidation and sulfation prevention grease application, partial vacuum tube 12AX7 replacement, cabinet exterior repair/polishing/oil finish, input/output waveform (Confirmation, residual noise confirmation, sound output confirmation)
Accessories: power cable, copy of instruction manual
Main Specifications: Tubular Control Amplifier Vacuum Tube 12AX7 x 6/12 AU7 x 1 Input: Phono 2 System Line System 3 System Tape System 2 System Output: 2 Line W476 x H190 x D275mm 12 kg
*Line-only model. This is a QUAD control amplifier with a modern design. The characteristic of sound quality is that even though it is simple and straightforward, it has a bouncy texture and brings out the thickness of the sound. By adopting a dual triode 6111WA as the central control device, a high signal-to-noise ratio has been achieved with a simple configuration. The exterior is dull. Serial C242083 (Kimiya Miura)
Maintenance Information: 2023.9.9 Operation confirmed
Accessories: instruction manual, original box
Main specifications: Vacuum tube used: 6111 WA × 1 (double triode), LINE input/RCA × 5 system, TAPE input/output, RCA × 2 system
System, W300 x H88 x D125 mm, weight 3.4 kg
Disposal prices have been reduced! (Member discount not applicable) 2023/8/20 sales price 89,800 yen maintenance completed! The LUXKIT A505 allows you to feel the softness while retaining the faint LUX tone of the vacuum tube. The appeal is that the sound quality is better than can be felt from the simple appearance, such as the slightly weak switch button. The exterior has scratches, dullness, dirt, and some blows. Serial B2301460 (Hiroki Aso)
Maintenance information: 2023.4.20 Maintenance completed (phono, preamp part coupling capacitor due to deterioration, electrolytic capacitor replacement, master volume replacement, power switch lamp and other selector lamp replacement, MM/ MC switch, MONO switch disassembly, polishing grease application, solder repair, various volumes, switch cleaning, pin jack polishing, internal inspection and cleaning, top cover screwing, running test)
Accessories: none
Main specifications: 12AU7/12AX7 with MC phono transformer W289 x D366 x D125 mm 5.5 kg
The price has been drastically reduced. 2023/8/30 sales price 138,000 yen maintenance completed! A rare Acrosound tube control amplifier. The deep, deep, and muscular sound quality is just like a 50's US tune. If you look inside, the large selenium and careful mono structure are quite eye-catching. Jazz is particularly cool! There is a feeling of use due to dullness, scratches, etc. on the exterior. * Immediately after the power is turned on, noise may occur during operation of switches, volume, etc. (Hitoshi Kobayashi)
Maintenance information: 2023.8.29 Operation confirmed
2023.1.17 Maintenance completed (vacuum tube socket replacement, AC cord replacement, AC outlet terminal blocked in one place, rear panel FM MULT volume replacement, tone, main volume contact cleaning)
Accessories: none
Main specifications: Vacuum tube used 7199 x 2, 7247 x 2 input phono x 2 (78, LP, RIAA equalizer switching), AM, FM, AUX, tape, microphone input W350 x H113 x D170 mm, approx. 3.5 kg
The price has been drastically reduced. 2023/8/31 Sales price 138,000 yen Maintenance completed with Triode! Triode vacuum tube preamp It is a control amplifier that uses 274B as a rectifier tube and is equipped with a 4-band equalizer that does not require a phono equalizer and can control the sound field in detail (Fujisawa Yukishi)
Maintenance information: 2023.8.31 Manufacturer maintenance completed (volume and part of the remote control keys were not effective, so they were also replaced, and all parts were inspected, audiovisual tests, and aging were carried out.)
Accessories: remote control, copy of instruction manual, power cord
Main specifications: Vacuum tubes used/12AX7 (ECC83S) x 4, 274b x 1, frequency characteristics, approx. 10Hz to 100kHz, signal-to-noise ratio, 96db, input terminal, 5 systems, output terminal, 3 systems, power consumption 30W, W340 x D315 x H187 mm, weight 8 kg
Koreeda's control amplifier published in Kingdom of Tubes Vol.19. A product that omits tone control and narrows down the functions. The volume can be adjusted in detail using a large 41-contact P type attenuator made by Tokyo Hikone. The sound is clear and clear with a sense of speed. The exterior is dull and some lettering has disappeared (Tamura Eiji)
Maintenance information: 2023.8.27 Operation confirmed (bubble noise comes out when VOL is turned, but the specifications are due to the characteristics of Tokyo Hikone attenuators)
Accessories: power cable
Main Specifications: 4 Inputs, 2 Outputs, W360 x H140 x D245mm, Weight 6.9 kg
※Since it is inexpensive, it will be handed over as is. Compact size vacuum tube preamp. Simple configuration of a single-stage negative feedback circuit. You can easily obtain the warm tone unique to vacuum tube preamps. It is suitable for making small speakers sound quietly. The exterior has bumps and line scratches. (MIURA Kimiya)
Maintenance information: 2023.8.23 Operation confirmed
Accessories: power cable
Main specifications: National7308/EI88cc × 2 W350 × D200 × H56 mm 1.3 kg
A total of 26 capacitors have been replaced and everything else has been refreshed! A tubular control amplifier representing Lux. Mid-term type that also uses an oil cone. It's soft and makes a good mid-range sound. The sound becomes more familiar depending on how it sounds, so it's an amplifier I want you to stay with for a long time. There are dark spots on the exterior (Sasaki Shota)
Maintenance information: 2023.7.6 Maintained (deteriorated parts replaced. Cleaning of each switch type, input/output waveform confirmation, total harmonic distortion, and signal-to-noise ratio measurement. Sound output test) 2015.8.23 Maintained (9P socket, RCA cable, coupling capacitor, volume, BAL, BACK VR, headphone jack, microphone jack replaced. Lever SW OH SW VR, cleaning OK)
Accessories: copy of instruction manual
Main specifications: tube type control amplifier using vacuum tube 12AX7 x 6/12AU7 x 1 input: phono 2 system line system 3 system tape system 2 system output: 2 systems W476 x H190 x D275 mm 12 kg
Disposal prices have been reduced! (Member discounts are not applicable) 2023/7/27 sales price 248,000 yen Hi-Fi Hall arrived for the first time! Single-ended triode vacuum tube preamp. This product omits the PHONO circuit from the previous SP8 and was released in 1999 during the heyday of CDs. It makes you enjoy the music intensely with its elastic strength, which can be said to be unique to research products, and the warm tone unique to vacuum tubes. There are threads and small scratches on the exterior. Serial 09401110 (Yonejima Satoshi)
Maintenance information: 2023.7.27 Maintained (rotary encoder replaced. Rubber leg replacement. Replace the electrolytic capacitor near the heat source. Add more screws and tighten. Some paint peeling has been fixed. Each input/output voice check. This model uses an electronic volume. (If you operate while making a sound, you may hear a slight characteristic cluttering sound, but this is a specification)
Accessories: power cable
Main specifications: vacuum tube 6922×4 line exclusive maximum gain 12.2 dB input impedance 50 k ohms maximum input level 3.5 V input sensitivity 500 mV frequency characteristics 0.5 Hz to 100 kHz W480 ✕ H134 ✕ D330 mm weight 4.2 kg (actual measurement)
The price has been reduced. 2023/8/13 sales price 128,000 yen Maintained in October 2019. This is a Dynaco tube control amplifier. It is an amplifier where you can enjoy the warm and comfortable sound unique to vintage. While the microwave feel is reasonable, the nostalgic sound, which emphasizes the atmosphere, has a unique flavor that is hard to obtain. It seems to have been released in the 1950s, but it's a beautiful individual even if you look at it from the model year (Oikawa Tetsuji)
Maintenance information: 2019.10.19 Maintained (block capacitor 30/20/20/10uF deterioration replacement, 1/2 W resistance deterioration replacement and 3 additional due to gang error improvement repairs, 2 electrolytic capacitors 1 uF noise exchanges, terminal caps → 4 replacement with short pins, RCA jack and vacuum tube socket cag repair ※ other operation checked)
Accessories: none
Main specifications: Vacuum tube 12AX7 x 4, 12x4 line input 5 systems phono 1 system (mm) pre-out 1 system W385 x H134 x D230 mm 7 kg
The interior is fully overalls, down to the condenser and lever SW! A standard vacuum tube preamp that is supple and thick. The relaxed, high musical sound quality is originally a character from the old days of love. It is a historic preamp that expresses a wide range of music genres in a rich and soft manner. As for the exterior, there are some line scratches on the cabinet. Serial 250331 (Tamura Eiji)
Maintenance information: 2023.6.7 Maintained (4 vacuum tubes replaced. Vacuum tube replacement. Characteristics check signal-to-noise ratio, distortion ratio measurement, input/output waveform confirmation, sound output test) 2023.1.12 maintained (vacuum tube socket, electrolytic capacitor, oil capacitor, film capacitor, rectifier diode, DIN terminal, power supply SW/monitor SW replacement, RCA terminal polishing, volume VR balance VR, tone VR, rear panel VR, lever SW type decomposition cleaning and oxidation/sulfurization prevention grease application, input/output waveform confirmation, sound output confirmation OK)
Accessories: power cable, copy of instruction manual
Main specifications: LUX method, NF type tone control, frequency band 10 to 30,000 Hz, signal-to-noise ratio of 60 dB or more, vacuum tubes, 12ax7 x 5, ECC83 x 2, W476 x H190 x D275 mm, 12 kg
The price has been reduced! 2023/7/26 sales price 29,800 yen ※ Since it is cheap, it will be delivered as is. Compact vacuum tube preamp. Simple configuration of a single-stage negative feedback circuit. You can easily get the warm tone unique to vacuum tube preamps. It is suitable for making small speakers sound quietly. The exterior is dull and has small scratches (Satoshi Yonejima)
Maintenance information: 2023.7.26 Operation confirmed
Accessories: power cord
Main specifications: National 7308/EI88cc × 2 W350 × D200 × H56 mm 1.3 kg
The interior has been overhauled! Original Model 7 You can enjoy a glossy mid-high range tone with a high sense of transparency and a thick, perfect balance. For analog fans, it's a model that has been over half a century since it was released, but it's still one they admire. The lustrous, indescribable tone is an appeal that cannot be enjoyed on modern machines. Serial 7-17316 (Fujisawa Yukishi)
Maintenance information: 2023.8.1 Maintained (・Block capacitor mounting bake damage replacement)
2023.7.21 Maintenance completed (· Vacuum tube 12AX7 noise and deterioration exchanges 2 → 2023.7.16 supplies arrived · oil capacitor 0.01 μF and other deterioration exchanges 5 pieces · vacuum tube socket and RCA jack recycle repair)
2021.12.2 Maintained (special diode → replaced with high pressure selenium. 4 diodes have deteriorated → replaced with low pressure selenium. 3 additional diodes. Repairs to improve poor contact with each selector. 3 x Subchassis Rubber Pad Replacement Vacuum tube 12AX7 deterioration replacement. Block capacitor 20 μF x 3 defective replacement. An electrolytic capacitor of 20 μF was added. Electrolytic capacitors 200 μF and 4 other deterioration replacements. Front lamp replacement. Vacuum tube socket and RCA jack cab repair)
Accessories: none
Main specifications: tube type control amplifier, vacuum tube, ECC83/12AX7, 3-stage NF equalizer, NF type, step switching control, W453 x H185 x D267 mm, weight 7.5 kg
The price has been reduced. 2023/7/23 A hybrid control amplifier with an audio research sales price of 178,000 yen. It's not flashy, and it feels like you can hear a tasteful, steady sound. How about playing an ALTEC speaker together with a power amplifier using a 300B or the like? There is a feeling of use such as appearance and dullness (Kobayashi Hitoshi)
Maintenance information: 2023.7.23 Maintenance completed (correction due to disconnection due to wire corrosion within the high voltage circuit, replacement of electrolytic capacitors near the heat source, replacement due to broken rubber feet, replacement added due to broken screws and missing parts, switch cleaning, etc., each input/output voice check, interior and exterior cleaning)
Accessories: none
Main specifications: hybrid control amplifier with PHONO (MM), using 6DJ8 (phono section and high level stage), 7 input systems (PHONO1 system), 3 output systems (1 pre-out system, 2 REC out systems) W480 x H134 x D260 mm 5.9 kg
Disposal prices have been reduced! (Member discounts are not applicable) 2023/7/4 sales price 398,000 yen Maintenance completed. This is a replica model that reproduces the famous Model 7 from yesteryear as closely as possible at Marantz's North Carolina plant. The glossy mid-high range with a high sense of transparency has been firmly inherited, and you can enjoy the perfect balance between good cutting and thickness unique to 7. The exterior is dull, scratched against the cabinet, and there are some chips. (MAKINO YOSHITAKA)
Maintenance information: 2023.7.4 Maintained (4 additional cabinet front screws, main volume disassembly, cleaning, repair, vacuum tube ECC83 deterioration replacement, vacuum tube shield case crack replacement, front lamp deterioration replacement, vacuum tube socket and RCA jack caress repair, etc. Operation checked with AC100V (in order to bring the volume curve closer to the original, the OUT LEVEL on the back has been minimized Yes.))
Accessories: instruction manual, power cable
Main specifications: use ECC83/6 vacuum tubes W391 x H155 x D261 mm 5 kg
The price has been reduced! 2023/7/14 sales price 178,000 yen Maintenance completed! AUDIO RESEARCH tube hybrid preamp (line only) RF Enterprise genuine product. 100V specification. Although it is a tube style, it makes you hear a wide range of sound fields and vivid sounds. The softness and thickness not found in transistor amplifiers are attractive. The exterior is dull and has small scratches. Serial 61252005 (Yonejima Satoshi)
Maintenance information: 2023.7.14 Maintained (volume replacement (no alternate click). Replace the electrolytic capacitor on the heat source side. Function switch cleaning. Solder correction. Input/output terminal polishing and cleaning. Each input/output voice check. (Interior and exterior cleaning)
Accessories: copy of instruction manual (English)
Main specifications: Vacuum tube used 6JD8 100-135VAC 60 Hz input 5 systems output 4 systems (TAPE1, RCA1, balance 2) W480 x H134 x D260 mm 5.9 kg
Disposal prices have been reduced. Member discounts do not apply. 2023/7/11 sales price 128,000 yen. *The PHONO/AUX input is PHONO (MC) specification. Maintained! There is a luster in the mid to high range, and the sound of chamber music strings and a beautiful piano jazz trio also have a nice atmosphere. While making you feel the bewitching expression of triodes, the same operation, functionality, and operability as a normal transistor amplifier is attractive. It seems to glide gently into the ear, and it delivers vocals particularly comfortably. The appearance is good in terms of dullness (Kobayashi Hitoshi)
Maintenance information: 2023.7.11 Maintained (6 replaced after changing to 25V voltage resistance due to defective electrolytic capacitors on the optional board, JP wire installation/styling changes, all input/output terminal mechanism tests/CA tests are good)
Accessories: remote control, power cord
Main specifications: ECC88 x 4, MC phono board included, W482 x H115 x D325 mm, 10 kg
The price has been drastically reduced! 2023/6/27 sales price 99,800 yen maintenance completed! A Dinaco tube preamp that sounds great even though it has a cute, small housing. It's the perfect amplifier for listening to music from the old days, with a way of sounding that emphasizes atmosphere rather than detailed expressiveness. The exterior has scratches and some oxidation. Serial 35134001 (Miura Kimiya)
Maintenance information: 2023.6.22 Maintained (volume, tone, etc. contact cleaning. Vacuum tube socket replacement Electrolytic capacitor replacement. RCA input/output terminal polishing and cleaning. (Check each input/output operation)
Accessories: There are no accessories
Main specifications: 5 line inputs, 1 phono system (mm), 1 pre-out system, W343 x H108 x D230 mm, 4 kg
Maintained! Line exclusive model. A hybrid control amplifier that became Hovland's first work and representative work, which made a name for itself in MUSIC CAP, a masterpiece of audio capacitors. A beautiful appearance, a flat, warm sound, and a sense of serenity that makes you feel instantly quiet. Starting with the 31-point silver contact attenuator volume, the handmade construction is also attractive, which makes you stand out even when you look at the interior. Genuine Acca product. (Asaine Tomonori)
Maintenance information: 2023.2.11 Maintained (complete connector set replacement, lamp replacement volume, balance, function switch cleaning, contact grease application, light guide plate removal, cleaning position adjustment. The interior and exterior of each input/output check have been cleaned. The mute time after powering on is approximately 30 seconds. The balance volume cannot be squeezed out (specification)
Accessories: instruction manual, power cord, custom velvet cover
Main specifications: analog input/unbalanced (RCA) 8 analog output/unbalanced (RCA) 2 systems tape output/unbalanced (RCA) 1 system using vacuum tubes 12ax7 x 2, 12AT7 x 1, size W464 x H128 x D427 mm, 12.2 kg
Disposal prices have been reduced. Member discounts do not apply. 2023/5/19 sales price 398,000 yen. Maintained! Brush up by replacing the block capacitor. A kit version of the masterpiece model 7. It is a model that appeared to commemorate the 25th anniversary. It has almost the same structure as the original, and as a vacuum tube preamp, you can hear a slightly different tone from other models. There are scratches, dullness, etc. on the exterior. Serial F020186 (Murakoshi Yoichi)
Maintenance information: 2023.5.19 Maintained (vacuum tube 12AX7 trace shock noise confirmed → replaced with selected product) 2023.5.10 maintained (both channel hams → electrolytic capacitor 56 μF added/2 short pins added)
2023.3.16 Maintained (power transformer insulation unstable exchange · film capacitor 0.01 μF noise and deterioration exchange 4 pieces · block capacitor liquid leak location → electrolytic capacitor 1000 μF addition · resistance 1/2W and 1W noise countermeasure replacement 15 pieces · input part ground reinforcement repair · vacuum tube socket and RCA jack caress repair ※ other operation checked with AC100V (model 7K has noise compared to the original It's a little big, but it's within specs.))
Accessories: none
Main specifications: kit model 12AX7 x 6 W453 x H185 x D260 mm 7.9 kg
The price has been drastically reduced. 2023/6/24 sales price 398,000 yen Maintenance has been completed at Marantz! A reprint of Marantz's famous model 7. In addition to the good graininess of the sound and the glossy and rich sound quality, it also brilliantly inherits the excellent omission of the middle range. You can enjoy a sense that transcends ages and genres. The exterior is dull and has scratches. Serial F020355 (Asaine Tomonori)
Maintenance information: 2023.6.24 Maintained (vacuum tube V4 (12AX7) heater broken. Vacuum tube replacement installation test operation confirmed) 2022.11.20 manufacturer maintenance completed (input selector switch contact cleaning, phono equalizer circuit, etc., 14 resistors, replacement, each vacuum tube pin and socket contact cleaning, V6 socket wiring, resolder correction, pilot lamp socket contact correction, front panel, wood case, R, 4 wood screws replaced)
Accessories: instruction manual, power cable
Main specifications: Vacuum tube used 12AX7 x 6 W455 x H178 x D261 mm 8 kg
A tube preamp equipped with a phono equalizer. It is suitable as an introduction to vacuum tube amplifiers. MM/MC support, which is great for analog users. There are no noticeable scratches on the exterior. (MIURA Kimiya)
Maintenance Information: 2023.6.27 Operation confirmed
Accessories: instruction manual, power cable
Main specifications: 12 AU7/2 vacuum tubes used W252 x H73 x D270 mm 3.1 kg
A simple, cost-effective vacuum tube line amplifier. It's a sound that makes you feel a slight warmth typical of a vacuum tube, but it's a well-balanced sound that's not too strong or too thin. The pleasant mid-high range tone is unique to vacuum tubes. The exterior has scratches, dirt, and scratches. (TAMURA Eiji)
Maintenance Information: 2023.6.27 Operation confirmed
Accessories: instruction manual
Main specifications: Ei 6DJ8EG x 2 input systems (line only) 2 pre-out systems W286 x H77 x D230 mm 2.6 kg
Maintained by the manufacturer! It is a preamp that combines the moisture unique to vacuum tubes, yet also has a modern sense of speed. The exterior design is inspired by a vintage LUXMAN model, but the sound quality is a modern sound with a sharp sense of freshness. It is a versatile type that covers a wide range of music genres. Serial G11000194A (Takasaki Atsushi)
Maintenance information: 2023.6.22 manufacturer maintenance (tone defect circuit relay drive transistor replacement, inspection of various parts, ground circuit correction, switch volume contact cleaning.)
Accessories: remote control, instruction manual (copy), power cord
Main specifications: 1 input phono system (MM/MC), 4 lines, 2 output systems, W400 x H169 x D307 mm, 13.5 kg
The price has been reduced! 2023/6/21 sales price 79,800 yen Maintained! The world's first control amplifier compatible with the replacement of different types of vacuum tubes. It's a compact car that you can play with in a variety of ways. The rectifier tube 5AR4 is an optional product, but the USB module has not been implemented. There are scratches on the exterior. (TAMURA Eiji)
Maintenance information: 2023.6.21 Maintained (balance volume replacement. Rewire the wiring. Jumper line solder fix. Rotary switch and shaft guide tack have been fixed. Apply locking agent. Vacuum tube pin cleaning. Each input/output voice check. The USB module has not been installed. ECC83 3)
Accessories: power cable
Main specifications: 4 input systems, 2 output systems, ECC83S x 3, SOVTEC 5AR4 x 1 size W250 ✕ H135 ✕ D225 mm, weight 3.6 kg
*The McIntosh C22 design model is a cost-effective amplifier that allows you to enjoy thick, thick sound in the mid-range. The MC/MM has a built-in phono recorder, and the records are thick and full. It is also possible to activate LOW boost with an internal switch (Sasaki Shota)
Maintenance information: 2023.6.19 operation confirmed
Accessories: power cable
Main specifications: 12AX7 × 6 LINE 3 system PHONO (mm · MC · high · MC /low) W420 × H140 × D330 mm 7 kg
A vacuum tube type preamplifier for all stages of the signal system with a built-in phono equalizer amplifier. It is a finished product assembled with high quality using the Amtrans parts set. The vacuum tube is also equipped with Westinghouse and RCA, and you can hear a much more tasteful sound compared to regular products. Serial 230119A (Kimiya Miura)
Maintenance information: 2023.6.15 operation confirmed
Accessories: instruction manual, power cable
Main specifications: 4 lines PHONO (MM) pre-out 2 vacuum tubes 12 AU7 x 2, 12 ax7 x 4, body dimensions W352 x H66 x D298 mm (including protrusions), body weight approx. 3.9 kg
Maintained! Original Model 7 You can enjoy the deep, exquisite balance between the glossy mid-high range tone with a high sense of transparency. For analog fans, it's a model that's been over half a century since it went on sale, but it's still one they admire. The lustrous and indescribable tone is a charm that cannot be enjoyed on modern machines. There are scratches and bumps on the exterior. Serial 7-14836 (Hiroki Aso)
Maintenance Information: 2023.5.20 Maintained (Balance Volume B Curve → MN Curve Replaced Block Capacitor 50 μF x 3 Replaced Oil Condenser 0.1 μF Other Deterioration Replacement 8 Electrolytic Capacitors 200 μF Deterioration Replacement 2 Vacuum Tube 12AX7 Deterioration Replacement 2 Sealed Case Replacement 2 High Pressure Selene Deterioration Countermeasures → Diode Addition Side Pad Deterioration Replacement Vacuum Tube Socket and RCA Jack Groove Repair Others Operation has been checked at AC 100 to 117 V)
Accessories: none
Main specifications: tube type control amplifier, vacuum tube, ECC83/12AX7, 3-stage NF equalizer, NF type step switching control, W453 x H185 x D267 mm, weight 7.5 kg
* This is a higher-level model produced in limited quantities that achieved improved sound quality by customizing the main internal parts and attached vacuum tubes to high sound quality parts based on the TUBE-00J currently on sale. OPA627AU made by Burr-Brown is used, and a 6J1 military high-precision sorting grade vacuum tube is included as standard, achieving significant improvements in sound quality, such as the spread of sound. (Miura Kimiya)
Maintenance information: 2023.. 6.11 operation confirmed
Accessories: AC adapter
Main specifications: small vacuum tube line amplifier vacuum tube 6J1 ✕ 2 H30mm (maximum 60 mm including vacuum tube) x W95 mm x D99 mm weight 275 g
The price has been reduced! 2023/6/9 sales price 178,000 yen with cabinet! Transistor model of the famous Model 7. Although it is flat balanced, the thickness of the mid-range range, the sound of the mid to high range with excellent texture, and the phono echo are also excellent. You can enjoy the thick, smooth sound typical of Old Marantz. The exterior is dull and there is peeling on the corners. Cereal 14851 (Asae Tomonori)
Maintenance information: 2023.6.9 operation confirmed
2022.10.25 Maintained (LINE AMP coupling capacitor replacement. Rear panel gain SW replacement. Output pin jack ground floats → treated with plated wire. (Each SW/VOL cleaning)
Accessories: no accessories
Main specifications: frequency characteristics 20 to 20 kHz input sensitivity phono 7.5 mv · aux800 mv SN ratio: phono 80 db · aux103 db W450 × H181 × D330 mm 5 kg
2014 refreshment maintenance completed! Comes with a cabinet! A preamp synonymous with Marantz. The glossy mid-high range with a high sense of transparency is clearly expressed, and you can enjoy the perfect balance between the good cuts and thickness unique to 7. There is a feeling of use such as small scratches on the cabinet. Serial 7-20803 (Murakoshi Yoichi)
Maintenance Information: 2023.6.6 Conductivity Confirmed 2014.5.29 Maintained (Main Volume*G Curve Original Equivalent, Low Voltage Selenium, Front Lamp, 1 Diode/Vishay, 2 Mylar Capacitors, 2 Oil Condensers/Black Beauty, 10 Black Cats, 4 EL Capacitors, 1 Ceramic Capacitor, 1 12AX7 Vacuum Tube Replaced)
Accessories: none
Main specifications: tube type control amplifier, vacuum tube, ECC83/12AX7, 3-stage NF equalizer, NF type step switching control, W453 x H185 x D267 mm, weight 7.5 kg
Disposal prices have been reduced! (Member discounts do not apply) 2023/5/19 Sales price 128,000 yen Maintenance completed! Rare Acrosound tube control amplifier. The deep, deep, and muscular sound quality is exactly like a 50s US tune. If you look inside, the large selenium and careful mono structure are quite eye-catching. JAZZ is particularly cool! There is a feeling of use such as dullness and scratches on the exterior. *Noise may occur when operating the switch, volume, etc. immediately after the power is turned on (Asaine Tomonori)
Maintenance information: 2023.5.19 operation confirmed 2023.1.17 maintained (vacuum tube socket replacement, AC cord replacement, AC outlet terminal blocked at one place, rear panel FM MULT volume replacement, tone, main volume contact cleaning)
Accessories: none
Main specifications: Vacuum tube used: 7199 x 2, 7247 x 2 input phono x 2 (78, LP, RIAA with equalizer switch), AM, FM, AUX, tape, microphone input W350 x H113 x D170 mm 3.5 kg (actual measurement)