The price has been drastically reduced. 2024/6/5 sales price 348,000 yen Maintained! This is a very well made 300B single amp. The outstanding sharpness and power, and sweet and gorgeous sound are unbearable. The JJ 300B is used as the output tube. It is a combination of the popular transformer TAMURA F-2007 pair, PC-3004, and A-4003. The first stage uses 12AT7, and the rectifier tube uses 5AR4. It comes with a volume and can be connected directly to a CD. There is a ham balancer inside (Yasuhito Koshihama)
Maintenance information: 2024.6.5 maintained (AC cord missing added; wiring changed to output impedance 4Ω → 8Ω; main volume 100K B curve → 2 replacement; vacuum tube 12AT7 deterioration replacement; RCA jack and vacuum tube socket caulking repair. Operation checked with AC 100V (measured with rated output 10W+10W SP8Ω)
Accessories: power cable
Main specifications: output 10W+10W (actual measurement) W434 × H217 × D333 mm 18.9 Kg (actual measurement)
The A2500 is a tube type power amplifier kit that has been replaced with speaker terminals that are easy to use even for beginners. 6AQ8 for the first stage and 12AU7 for the phase reversal stage both use triodes. Since triodes are used across all stages, the sound is taut and bright, with excellent nude characteristics. The exterior has dullness over time, rust, and small scratches. Serial 560561 (Miura Kimiya)
Maintenance information: 2018.4.28 Maintained (printed circuit board resistor replaced. (Adjustment characteristics check OK) 2014.11.21 maintenance completed (input VR, vacuum tube socket, coupling capacitor, SP terminal, BIAS DC BAL, semi-VR, each deterioration exchange, adjustment, characteristic check OK)
Accessories: instruction manual
Main specifications: 6 RA8 push-pull 6 RA8 x 4/12 AU7 x 2/6AQ8 10W+10W W410 x H145 (with hood) x D190 mm 9.6 kg
※It is cheap because it is in poor condition due to numerous modifications. Heavyweight horizontal audio rack It's sturdy, so it's fine even if you put a super dreadnought analog player on the top plate. The inside is slightly larger, so even slightly larger full-size equipment can be stored. Since there are many modifications such as the exterior, attaching a copper plate to the upper right shelf, attaching a tile mat to the bottom, and attaching a handle to the tray, etc., the shelf on the right side does not come off, and a feeling of use such as dullness and abrasions can be seen (Kobayashi Hitoshi)
Accessories: none
Main specifications: Overall measurement W1200 x H535 x D572 mm inner dimensions on one side (without shelf board) W530 x H430 x D (top plate 560, medium plate 470, lower stage 560) mm top plate thickness 45 mm shelf board thickness 23 mm weight 69.85 kg
The price has been drastically reduced! 2024/4/27 sales price 79,800 yen Maintained! This is the first AUDIO OF OREGON control amplifier to arrive in a long time. It is compatible with 117V specification American speakers such as ALTEC and JBL, etc., and although it is a transistor, it doesn't become too stiff and makes you enjoy the firm sound. The exterior has dullness and scratches. ※The plug has been changed. Genuine RF Serial 02117 (Tamura Eiji)
Maintenance information: 2024.4.27 Maintained (no running symptoms. The board vibration check connection was checked. (All pattern parts of the flat amplifier module unit have been added and soldered.) 2024.4.13 Maintained (Electrolytic capacitor replacement in amplifier module. Pattern contact defect correction. (Voice operation check)
Accessories: No accessories
Main specifications: All stages use pure class A operation circuit input phono (mm/47 kΩ) tuner, tape, aux dimensions W483 x H89 x D190 mm weight 4.5 kg
The disposal price has been reduced! (Member discounts are not applicable) 2024/1/18 sales price 49,800 yen Maintained! An American-made amplifier from the 1970s that can hardly be seen today. Circuits for self-preservation, such as security, correction, and protection, have been cut off, and I think that handsome atmosphere is well reflected in the sound. It has the same feeling of use as the model year (Daiki Goto)
Maintenance information: 2024.1.18 Maintained (LED installation (original not available) poor power stage transistor deterioration, defective transistor in the board → replacement. Bias adjustment, operation check.)
Accessories: none
Main specifications: size (actual measurement) W406 x H155 x D327 mm weight (actual measurement) 12.2 kg
Luxman's current phono equalizer that uses a non-feedback CR amplifier circuit using an all-stage vacuum tube has arrived! Using vacuum tubes, 4 independent Super Permaloy MC boost transformers and 4 output transformers are mounted on the left, right, and low/high, respectively. It is a model that emphasizes sound quality, using a VU meter and OFC, which are fun to look at. It is one that can be controlled in a variety of ways. The condition is generally good. Serial M20700210A (Yamato Yuki)
Maintenance information: 2024.6.13 operation confirmed
Accessories: instruction manual power cable
Main specifications: circuit method: SRPP, terminal cathode follower, non-feedback CR type equalizer (RIAA) vacuum tube: ECC83 x 4, ECC82 x 2, EZ81 x 1 input sensitivity (1 kHz, when gain is switched 36 dB): MM 4mV, MC high 0.44mV, MC low 0.18mV input impedance: mm30kΩ to 100kΩ (variable), MC high 40Ω, MC low 2.5Ω gain (1kHz, when gain is switched at 36 dB): mm36dB, MC High55dB, MC Low63dB S/N ratio mm76dB, MC High75dB, MC Low74dB W440 x H92 x D397mm weight 12.5 kg
Luxman's current phono equalizer that uses a non-feedback CR amplifier circuit using an all-stage vacuum tube has arrived! Using vacuum tubes, 4 independent Super Permaloy MC boost transformers and 4 output transformers are mounted on the left, right, and low/high, respectively. It is a model that emphasizes sound quality, using a VU meter and OFC, which are fun to look at. It is one that can be controlled in a variety of ways. There are small wounds and dullness (Sasaki Shota)
Maintenance information: 2024.6.3 operation confirmed
Accessories: original box, manual, power cable
Main specifications: circuit method: SRPP, terminal cathode follower, non-feedback CR type equalizer (RIAA) vacuum tube: ECC83 x 4, ECC82 x 2, EZ81 x 1 input sensitivity (1 kHz, when gain is switched 36 dB): MM 4mV, MC high 0.44mV, MC low 0.18mV input impedance: mm30kΩ to 100kΩ (variable), MC high 40Ω, MC low 2.5Ω gain (1kHz, when gain is switched at 36 dB): mm36dB, MC High55dB, MC Low63dB S/N ratio mm76dB, MC High75dB, MC Low74dB W440 x H92 x D397mm weight 12.5 kg
The disposal price has been reduced! Member prices are not applicable. 2024/5/17 sales price 99,800 yen ※The HDD has been changed to an SSD (2TB). This is a black model that has upgraded the DELA N1A/N1Z, which was announced and sold as the industry's first “audio NAS,” and improved commerciality. Equipped with a dedicated USB-DAC connection terminal, the rear design has been renewed. In addition to being equipped with a 60W high-capacity power supply unit, a newly developed high-capacity capacitor bank is mounted on the rear stage of the power supply unit. A newly selected 3.5-inch quiet drive is mounted on a floating silicon bush to improve sound quality. There are scuff marks and dirt marks on the exterior. Serial 40300161000139 (Fujisawa Yukishi)
Maintenance information: 2024.5.17 Operation confirmed
Accessories: power cord
Main specifications: storage capacity 2TB (2TB SSD x 1) input/output terminal USB 3.0 x 3 (import/capacity expansion/backup) USB 2.0 x 1 (for USB-DAC connection) RJ45 x 2 (router connection/network player) compatible file format WAV · AIFF · FLAC · ALAC · DSF · DFF sample frequency 44.1/88.2/176.4/352.8/48/96/192/384 kHz (PCM) 2.8 /5.6/11.3 MHz (DSD) compatible bits 16 to 32 bits (PCM) W436 x H70 x D352 mm weight 7 kg
*Currently sold. IFI-Audio phono equalizer. It is a compact yet high-spec model equipped with 6 stereo equalizer curves, a load transfer switch for MC cartridges, an ultra-low noise MC stage, a load transfer switch for MM cartridges, and a gain adjustment switch. The exterior is dull, there is a feeling of use, and there are places where the letters on the back have disappeared (Sasaki Shota)
Maintenance information: 2024.6.15 Operation confirmed
Accessories: copy of manual, power cable
Main specifications: frequency characteristics 10 Hz to 100 kHz output impedance 110 ohms W68 x H28 x D158 mm weight 198 g
The price has been drastically reduced. 2023/4/28 sales price 1,000 yen. ※1 bottle only. Jack Jack Cable 2.0m Studio and Stage Professional Cable There is no habit, and the tone is straightforward (Takasaki Atsushi)
Maintenance information: 2023.4.28 Conductivity confirmed
Accessories: none
The disposal price has been reduced! (Member discounts are not applicable) 2024/5/25 sales price 298,000 yen A masterpiece transistor type power amplifier from McKinn's heyday. The powerful, rich, and thick tone is a popular gem among jazz fans of yesteryear. The sound combined with speakers such as the 4343 is exceptional. The exterior is dull and scratched from use over time. Serial AX6653 (Tomonori Asaine)
Maintenance information: 2024.5.25 maintained (each SW VOL cleaning, lamp replacement, relay contact polishing power meter SW crack → internal reinforcement driver board capacitor replacement, power stage transistor check resistor replacement, additional meter board resistor installation capacitor replacement)
Accessories: copy of instruction manual
Main specifications: 200W+200W (1/2/4/8 ohms), equipped with an attenuator on the front, input sensitivity 0.75/2.5V, W411 x H181 x D368 mm, 38.6 kg
The price has been drastically reduced. 2024/6/1 sales price 378,000 yen Maintained! The flagship model of the Macintosh power amplifier with a silver panel. It is characterized by its strong, dense sound. The extrusion is strong and goes great with JBL large monitor speakers. The dynamism in the mid to low range, which is difficult to obtain with current Mackin power amplifiers, is attractive. There are scratches and stains on the exterior, and rust can be seen on the top plate and back panel (Mizusaki Ryo)
Maintenance information: 2024.6.1 maintained (transistor in driver board, LDR, capacitor deterioration, GAIN, VOL noise, meter board capacitor deterioration, power supply board capacitor deterioration, meter lamp, display lamp deterioration → replacement. Meter dismantling terminal lead wire soldering treatment, MODE SW dismantling cleaning, operation check, power stage check OK)
Accessories: power cord, copy of instruction manual
Main specifications: 500W+500W (1000W when mono) equipped with power guard circuit W483 x D465 x H263 mm 60.3 kg
Maintained! 117V specification. A masterpiece model from the golden age of Macintosh. With an output of 50W, the modest yet rich, and flavourful sound is attractive. You can enjoy the rich and realistic sound in combination with a pri of the same age. The exterior is dull and has small scratches. Serial AT2722 (Fujisawa Yukishi)
Maintenance information: 2024.6.8 Maintained (each indicator lamp replaced. Electrolytic capacitor replacement. Input volume and switch cleaning. Bias and offset checks. Output audio check)
Accessories: copy of instruction manual
Main specifications: 117V specification output 50W+50W load impedance 4, 8, 16 ohm input sensitivity 0.5V full stage direct connection pure complementary output transformer W406 x H138 x D330 mm 22.7 kg
Maintained! Adjustable 3-way channel divider Crossover frequencies for LOW/MID 4 and MID/HIGH 4 stages can be selected. Furthermore, it is equipped with a FLAT position. It is possible to switch between 200/400/570/800 Hz and 2500/3500/5000/7000 Hz. There are small scratches and corrosion on the exterior. Serial 141628 (Yonejima Satoshi)
Maintenance information: 2024.6.16 Maintained (replacement of deteriorated capacitors in the circuit. Power circuit transistor replacement. Switch and volume contacts corrected. I/O pin jack polish (This is a specification because each switch only makes a low sound when FLAT)
Accessories: No accessories
Main specifications: W408 x H134 x D280 mm weight 5.4 kg
※Shipping service. Special Feature = Contemporary Noise Thoughts Vol.2/Overview of American 3-Pole Output Tubes/Mos-FET Single Stage OTL Amplifier/Medium Monitor Speaker Research/New Feedback Circuit Type DC Preamplifier/38 cmW Woofer System Vol.4/Published Circuit Diagram: PIONEER CT-580/S57.5.1 Issued Photographs are samples, so the actual product may be broken or written.
Maintained! A power amplifier from the USA Marantz era. The compact yet powerful American sound is attractive. It works great with speakers that make a lot of noise, such as JBL, and you can enjoy an exciting sound that is clear. Exterior, paint deterioration, dullness, abrasions, etc. can be seen (Kobayashi Hitoshi)
Maintenance information: 2024.6.4 maintenance (lamp replacement (replacement), power stage Tr check, C replacement, DC offset, bias adjustment, relay contact cleaning, operation check)
Accessories: none
Main specifications: 80W+80W (8Ω) damping factor 30 (8Ω) power meter (sensitivity can be switched in 3 levels) mounted dimensions W358 x H120 x D273 mm weight 11 kg
The disposal price has been reduced. Member prices are not applicable. 2024/3/7 sales price 128,000 yen Maintained! A crisp, bright, and sharp sound typical of Marantz from the 1970s. Exactly, it's an American sound on the west coast. The design is also a simple design typical of US Marantz. ※The leg is out of stock. The exterior has dullness and small scratches. Serial 4180 (Yonejima Satoshi)
Maintenance information: 2024.3.7 Maintained (single CH power stage transistor replacement. Screwdriver transistor resistor replacement. Drive Tr Capacitor Replacement Contact polishing, aging test)
Accessories: No accessories
Main specifications: 125W+125W (8Ω) W445 × H170 × D265 mm 14.8 kg
Thoroughly review the interior and carry out maintenance on capacitors, transistors, etc.! A vintage model representing JBL. In addition to the extremely powerful and well-extruded sound quality, it also has a dry and tight tone unique to this era. The strong sense of energy in the low frequencies and the characters with clear outlines are excellent matches with old JBL speakers. It is a vintage masterpiece that stands out for its individuality. There is a slight feeling of use on the exterior. Serial 2362 (Murakoshi Yoichi)
Maintenance information: 2024.6.12 maintenance (test switch contact defects, other internal checks. DC leak due to leaks such as C in both ch couplings, poor Tr characteristics in the pre-stage, poor characteristics of the power stage Rch transistor x 1 → replacement. (Each VOL rotary SW is large → all cleaning, ~ operation check)
Accessories: instruction manual (copy), power cord
Main specifications: 40W+40W (8Ω) W412 × H128 × D350 mm 11.8 kg
Full maintenance from internal dismantling and all checks to transistor and capacitor replacement! It's an amplifier similar to the SE400S, but the output has gone up from 40W+40W to 60W+60W, and the sound quality with excellent extrusion and sharpness has revived the sound of the good old days. In addition to the exterior and input terminals being replaced, dullness and a feeling of use can be seen (Kobayashi Hitoshi)
Maintenance information: 2024.6.11 maintenance completed (all internal dismantling checks, L/R co-power stage Tr negative side characteristic defect, Lch driver Tr characteristic failure → replacement, in-board bypass C · power supply C broken → replacement, offset VOL contact failure → polishing, check)
Accessories: Power cable (external product)
Main specifications: output bandwidth 3 to 20,000 Hz, 90 dB SNR power supply 100V, 50/60 Hz, power consumption 200W, output 60 W+60 W, W385 x H125 x D93 mm
The disposal price has been reduced! (Member prices are not applicable) 2024/6/4 sales price 268,000 yen Maintained! LUXMAN 70th anniversary signature model. The standard EL34 push-pull configuration has an OY transformer, and is designed so that you can fully enjoy the flavor of luxe stone. Using an unprecedented high-rigidity chassis, it also has an outstanding sense of luxury. This is a 90s vacuum tube premain with a good balance of range, thickness, and tone. There is a scuff on the front knob. Serial W51010230 (Hiroki Aso)
Maintenance information: 2024.1.13 maintained (2 output tubes replaced due to right channel bias, double channel drive stage socket replacement switch contact disassembly cleaning volume cleaning knob milling deviation correction vacuum tube pin cleaning bias adjustment output audio check, approx. 30W at 8 Ω load)
Accessories: instruction manual copy power cable
Main specifications: output 30W+30W (6Ω) phono (mm) 2.5mV/47kΩ vacuum tube EL34 (6CA7) x 4, 12AU7 x 4, 12BH7A x 2 W430 x H209 x D387 mm weight 22 kg
Headphone amplifier for electrostatic ear speakers. Sound quality has been improved and wide range has been achieved, such as an all-stage direct connection A class DC amplifier configuration that does not use coupling capacitors, a custom-made 2-axis quadruple volume, and an XLR input terminal. The degree is generally good (Murakoshi Yoichi)
Maintenance information: 2024.6.13 sound output confirmed
Accessories: power cable
Main specifications: input XLR, RCA with RCA through out frequency characteristics DC to 90kHz rated input level 100mV/100V output W150 x H100 x D360 mm 3 kg
The price has been drastically reduced. 2023/12/11 sales price 15,000 yen*There is no problem with operation, but since it is cheap, it is being delivered as is. Center speaker for the company's STAGE series. Please help build a theater system (Daiki Goto)
Maintenance information: 2023.12.11 operation confirmed
Accessories: instruction manual
Main specifications: 2-way dual 133mm woofer, 25mm aluminum treble unit impedance 6Ω efficiency 88dB W469 x H190 x D220 mm weight 7.95 kg
The price has been reduced. 2024/5/11 sales price 39,800 yen ADK 4-tier rack. Of course, other rack units can be stacked and used. Depending on the size of the device, you can change the rack to your liking. There is a feeling of use due to appearance, dullness, abrasions, scratches, etc. (Kobayashi Hitoshi)
Accessories: 4 hole caps
Main specifications: upper stage and middle height 170 mm, lower stage height 250 mm W574 x H730 x D497 mm