Set of 2 (not treated as a pair because there is a difference between the measured values) 6SN7 high reliability tube black plate red base measured value 106/92 (rejected value 50) *Measured values are determined based on gM values measured by the testing machine TV-7 (Kojima Yosuke)
Accessories: none
Phono cable uses 1.5m RCA-DIN (straight) specification conductors made from a hybrid of high-purity oxygen-free copper, centering on ultra-high purity 6N copper. It is a model that incorporates various technologies in order to eliminate the ultra-fine low output power loss of MC cartridges as much as possible (Kojima Yosuke)
Accessories: original box (partially damaged)
*Currently sold. Yamaha subwoofer The high cost performance is attractive. The bass has become tighter, and the overall sense of scale, depth, power, etc. has increased, and you can enjoy movies more than ever before. You can see the exterior, dullness, and feeling of use (Kobayashi Hitoshi)
Maintenance information: 2025.12.11 Operation confirmed
Accessories: none
Main specifications: output 250W (5Ω) playback frequency band 20Hz to 160Hz speaker unit 25cm cone type (anti-magnetic) input terminal INPUT 1 (speaker terminal) INPUT 2,3 (RCA pin jack) power consumption 100W dimensions W380 x H368 x D420 mm weight 18.5 kg
*Currently sold. Yamaha subwoofer The high cost performance is attractive. The bass has become tighter, and the overall sense of scale, depth, power, etc. has increased, and you can enjoy movies more than ever before. You can see the exterior, dullness, and feeling of use (Kobayashi Hitoshi)
Maintenance information: 2025.12.11 Operation confirmed
Accessories: instruction manual
Main specifications: output 250W (5Ω) playback frequency band 20Hz to 160Hz speaker unit 25cm cone type (anti-magnetic) input terminal INPUT 1 (speaker terminal) INPUT 2,3 (RCA pin jack) power consumption 100W dimensions W380 x H368 x D420 mm weight 18.5 kg
2024 maintenance completed! A popular preamp sold during the heyday of analog. The mid-range is more glossy and has a sexier vibe than the one after C29. That rich sound can truly be said to be a preamp representing the golden age of McKinn. You can see a feeling of use, such as appearance, dullness, and abrasions. Serial AK9084 (Matsumoto Tsuyoshi)
Maintenance information: 2025.12.14 operation confirmed 2024.4.19 maintenance (each SW, VOL cleaning, pin jack cleaning, lamp deterioration replacement, panel peeling correction, pin jack caulking, additional block capacitor installation, shield cable earth solder treatment, operation check)
Accessories: copy of instruction manual
Main specifications: 4 input terminals, 4 PHONO input systems, 2 pre-out systems, W430 x H140 x D365 mm, 13.8 kg
The price has been drastically reduced. 2025/11/29 sales price 148,000 yen A new standard model for the SL-1200 series that inherits the efforts and results that began with the development of the SL-1200G. Outstanding reliability and stability are now available at an affordable price. I'm also happy that it is compatible with 78 revolutions. You can see a feeling of use, such as appearance, dullness, abrasions, etc. (Kobayashi Hitoshi)
Maintenance information: 2025.11.29 Operation confirmed
Accessories: power cable, RCA cable (above external product), a copy of the instruction manual
Main Specifications: Direct Drive Turntable System Brushless DC Motor RPM 33, 45, 78 Universal S-shaped Tone Arm Static Balance Needle Pressure Adjustment Range 0 to 4 g Applicable Cartridge Mass/No Auxiliary Weight 5.6 to 12.0 g, 14.3 to 20.7 g (including head shell) when using auxiliary weight/10.0 to 16.4 g, 18.7 to 25.1 g (including headshell) W453 mm× H173 mm x D372 mm approx. 11.5 kg
The price has been drastically reduced! 2025/9/1 sales price 258,000 yen All switches were disassembled and maintained, such as contact cleaning, etc. in 2025/5! Macintosh's classic preamp. It reproduces clear mid-range and glossy tones. This model should be used by music fans who enjoy all kinds of sources. The full range of functions, such as a 5-band equalizer and a 7-source input selector, is also attractive. There are small scratches and partial peeling on the exterior. Serial JEB8721 (Jun Tamai)
Maintenance information: 2025.5.14 maintained (RCA terminal solder fixed push switch, rotary switch, all switches disassembly contact cleaning contact grease coating main volume disassembly contact polishing cleaning conversion board creation replacement electrolytic capacitor replacement panel lamp replacement panel peeling correction each input/output operation check)
Accessories: copy of instruction manual
Main specifications: Equalizer up and down 12dB (center frequency/30Hz/150Hz/500Hz/1.5kHz/10kHz) rated output 20W+20W (8Ω) W445 x H192 x D395 mm 11.8 kg
The price has been drastically reduced! 2025/6/27 sales price 238,000 yen Maintained! A popular preamp sold during the heyday of analog. The mid-range is more glossy and has a sexier vibe than the one after C29. That rich sound can truly be said to be a preamp representing the golden age of McKinn. There are small scratches and threads on the exterior. ※The power supply has been changed to an inlet specification. Serial AK1481 (Tamura Eiji)
Maintenance information: 2025.6.27 Maintained (main volume disassembly contact polishing cleaning due to poor contact noise. Disassembly contact polishing and cleaning due to poor tone switch contact. Other switches, volume contact cleaning. Since the RCA terminals are corroded and the shape is different, all terminals have been replaced. Electrolytic capacitor replacement. A power supply circuit capacitor was added to make a hum sound. (Panel cleaning, exterior and interior cleaning.)
Accessories: power cable
Main specifications: 4 input terminals, 4 PHONO input systems, 2 pre-out systems, W430 x H140 x D365 mm, 13.8 kg
The disposal price has been reduced. Member prices are not applicable. 2025/11/27 selling price 79,800 yen The ultimate version of the P-1. Pure A grade specification, which is rare for a headphone amplifier, so you can enjoy detailed and clear sound. There are scratches, scuffs, etc. on the top plate*The power cable is not genuine (Oikawa Tetsuji)
Maintenance information: 2025.11.27 Operation confirmed
Accessories: Power cable (non-genuine)
Main specifications: 2W+2W (8Ω) 1W+1W (16Ω) high sound quality feedback circuit “ODNF3.0A”, 2 headphone outputs, 1 RCA/XLR input each, W440 x H82 x D408 mm 8.3 kg
The price has been drastically reduced. 2025/12/10 sales price 498,000 yen Refreshed and maintained, including replacement of 3 block capacitors, 4 ceramic capacitors, and 14 oil capacitors! The rare early C20 is now in stock. More than 60 years have passed since it was released, and thorough maintenance has revived the sound from that time. It has a thick, soft touch and glossy mid-high range typical of Old McKinn, and vividly expresses music (Daiki Goto)
Maintenance Information: 2025.12.10 Maintained (Main Volume Nut Loosening and Retightening Repair/Volume Wobble Reduction Treatment → Knob Replacement (Replacement Parts Offset) · Oil Capacitors 0.1 μF and others replaced with 16 BlackBeauty, BlackCat · Block Capacitors 2000 μF etc. Deterioration Replacements 3 · Diode Deterioration Replacements 2 · Vacuum Tube Sockets and RCA Jack Caulking Repairs ※ Other to AC100117V Operation has been checked)
Accessories: none
Main specifications: Vacuum tube used 6x4, 12AX7, 12AU7 dimensions W390 x H146 x D315 mm weight 8.3 kg
The disposal price has been reduced. Member discounts are not applicable. 2025/12/5 sales price 448,000 yen Electrolytic capacitors and film capacitors were replaced in 2024/2, and full maintenance has been completed. 100V compatible model! A separate amplifier that is still popular even now, 70 years after its release. The thickness, luster, and tension of the sound are all emotionally composed, and perfectly express the sound of the instrument. Anyway, it has thick, firm mid-bass, and the tasteful sound unique to vacuum tubes is impressive. There is a scratch on the top plate of the preamp. Serial 42710 57078/59299 (Murakoshi Yoichi)
Maintenance information: 2025.3.23 maintained (blue AC cord plug and socket disassembly and rewiring procedure, etc. Operation checked with AC 100 to 117 V (SP impedance: 16 ohm wiring)) 2024.2.17 maintained (electrolytic capacitor replaced with 25 μF European 1 x 2 · film capacitor 0.1 μF replaced with European product 3 x 2 · resistor 1/2W → 1W replaced 3 x 2 · vacuum tube socket caulking repair. Replace with a product similar to No. 57078 vacuum tube socket. QUAD22 · Internal Toggle Switch Contact Failure Replacement · Spark Killer Deterioration Replacement 2 pcs · Film Capacitors 0.5 μF and others Deterioration Replacement 8 pcs · Electrolytic Capacitors Replaced with European Products · 6 Resistors 1W and 1/2W Deterioration Replacements · CD Input Reduction Measures for Radio1 Only → 1/4 W Resistance Added 4 · RCA Jack Caulking Repair. Other operation checked (measured at 11 to 17 W SP: 16 Ω with rated output AC 100 to 117 V) *The P/U adapter is an AA type. (Please use the black terminal when listening in mono)
Accessories: instruction manual (copy), power cord
Main specifications: 11-17W (16Ω) [QUAD22] EF86 × 2 ECC83 × 2 input PHONO, RADIO, TAPE W267 × H89 × D148 mm 3.2 kg [QUAD2] KT66 × 4 EF86 × 2 GZ32 15W+15W W321 × H162 × D119 mm 8.2 kg/unit
The disposal price has been reduced. Member prices are not applicable. 2025/12/3 sales price 238,000 yen ※There is PHONO notation, but the BNC input is a line-only type equipped with an NA328/2 module. Maintenance has been completed, including replacing 35 capacitors and creating an input cable! This is a pre-+ power amplifier set. Although it is small, it has high gain, and it lets you hear deep, English-like sounds. With a very sticky middle range and strong driving power, not only small groups but also large groups can make a loud noise. There are dirt and threads on the exterior. *There is some pop noise when the power is turned on and off, or when the preamp is unmuted, but this is a specification. There is overall dullness and small scratches (Mizusaki Ryo)
Maintenance information: 2025.11.9 maintained (NAP140 voltage failure → C deterioration in tantalum C short board replacement NAC62 board C capacity failure → replacement each SWVOL galley → cleaning (DIN5P → RCA male 1m cable x 2 created) operation check)
Accessories: power cable, connection cable, copy of instruction manual
Main specifications: NAC62 · input phono BNC (RCA) x 1 line DIN terminal x 3 systems W250 x H76 x D300 mm weight 2.5 kg NAP 140 · output 45 x 45 W (8 ohms) W205 x H76 x D300 mm weight approx. 5 kg
Maintained by the manufacturer with Sun Audio! This model is equipped with CETRON 300B that even enthusiasts will be satisfied with. All other balls are complete models with no complaints about RCA. Equipped with a Tamura Trance which is currently unavailable. The high gain and straight, carefree sound quality is attractive. The heater has safe DC ignition. I can hardly hear any hum. It is a first-class product where you can directly feel the good sound of the 300B linear thermal triode (Sasaki Shota)
Maintenance information: 2025.5.7 manufacturer maintained (each part inspected, 7 electrolytic capacitors replaced, 2 vacuum tube sockets replaced, 4 1L4P lug terminals replaced, 1 block metallized film capacitor replaced, bottom plate replaced, 2 bridge diodes installed, 1 resistor installed, 1 film capacitor installed, spark killer installed)
Accessories: repair statement, power cable, manual
Main specifications: 300B single 8W+8W vacuum tube used: 300B x 2 (CETRON) 6SL7 x 2 (RCA) 5U4G x 1 (RCA) W360 x H210 x D270 mm 16 kg
Digital cable A digital cable aiming for high-dimensional digital transmission with an amplifier built into the 1.0m RCA plug path. I'm addicted to the good extrusion with a flat balance, just like a single wire cable. (FUJISAWA KOSHI)
Maintenance information: 2025.12.13 sound output confirmed
Accessories: instruction manual, original box, AC adapter
Maintained! The balance between thickness and sharpness of the sound is good, and it conveys the breath of jazz and rock. The thick sound image and rich mid-range, which cannot be enjoyed with today's amplifiers, are exquisite. The range is moderate but the Old McKinn sound has instantaneous power. The slightly smokier tone than the MC2500 is attractive. Serial 3Y916 (Fujisawa Yukishi)
Maintenance information: 2025.12.13 Maintained (each replaced due to defective and deteriorated input volume, meter lamp, speaker terminal, and RCA jack. Missing screws added, damaged screws and feet replaced. SW type cleaning. Bias and offset checks. Output audio check)
Accessories: copy of instruction manual, power cord
Main specifications: 300W+300W (mono 600W) 0.5 to 16 ohms W483 x H267 x D432 mm 58.1 kg
It is JBL's first control amplifier to be crowned with a graphics controller, and it is a famous machine that still boasts high popularity today. The dry, horsepower sound quality unique to this era is unparalleled in matching with vintage speakers. It is a control amplifier coveted by JAZZ and ROCK fans that has both good extrusion and a clear outline. The exterior includes line scratches and bumps. Also, the JBL logo on the front has been changed. Serial 2581 (Tamura Eiji)
Maintenance information: Maintained on 2015.8.28 (disassemble and clean each SW volume. Capacitor, lamp, and RCA terminal replacement. Resolder and clean each board. (Input/output waveform check, sound output test, aging)
Accessories: No accessories
Main specifications: LINE input 4 systems PHONO (MM) input 2 systems W397 x H170 x D370 mm 8.0 kg
Pioneer DSD compatible network player. Now that production has been discontinued, it is Pioneer's last premium model, which has become even more popular. We have carefully selected high quality parts such as analog and digital independent power twin transformers, and high-performance ESS twin DACs compatible with DSD256. Delicate, three-dimensional sound suitable for the high-resolution era has been obtained (Murakoshi Yoichi)
Maintenance information: 2025.12.11 sound output confirmed
Accessories: remote control, instruction manual, power cord, connection cord, original box
Main specifications: Network PCM192 kHz/DSD256 USB PCM384 kHz/32 bit DSD236 (Windows dedicated driver only) compatible analog output/RCA1 system balance (XLR3) 1 digital input/optical digital input 1 system, 1 coaxial digital input system (gold plated) USB B (rear) 1 system (for USB DAC function) USB A (front/rear) USB memory system (1) DSD, FLAC, WAV, MP3, WMA, AIFF, ALAC) 1 external USB hard disk (DSD, FLAC, WAV, MP3, WMA, AIFF, ALAC) digital output/1 optical digital output, 1 coaxial digital output (RCA) (gold plated) network terminal LAN (100base-TX/10base-T) wireless LAN (IEEE802.11 a/b/g/n compliant) W435 x H121 × D364mm 12.3kg
Sony 1TB HDD internal audio player. You can enjoy not only high-resolution sound sources such as DSD 5.6 MHz and 192 kHz/24 bits, but also compressed sound sources with high sound quality. If you install the software on your PC or smartphone, you can transfer and operate music data to the HDD. You can see a feeling of use such as appearance, dullness, small scratches, etc. (Kobayashi Hitoshi)
Maintenance information: 2025.12.11 Operation confirmed
Accessories: remote control, power cord
Main specifications: built-in HDD (1TB) playback compatible codec DSDIFF [DSD] /2.8 MHz/5.6 MHz) DSDIFF [DST] DSF/2.8 MHz/5.6 MHz) WAV/maximum 192 Hz/32 bit) AIFF/192 Hz/24 bit) FLAC/192 Hz/24 bit) ALAC/192 Hz/24 bit) ALAC/192 Hz/24 bit) WMA · MP3 · AAC · ATRAC (Non DRM) playback frequency characteristics 2Hz-80kHz audio output (XLR/RCA) EXT terminal (USB type A) W430 x H130 x D390 mm 14.5 kg
Manufacturer maintained including laser pickup ASSY replacement! Popular SE (special edition) model! High sound quality that surpasses that of dedicated SACD machines in the same class. You can handle everything from pure audio to DVD multi-channel playback with this one unit. WBT's high-grade terminals and internal main wiring use 6N pure copper wire, so you can enjoy clear, high-pitched sound quality typical of esoterics. You can see the exterior, dullness, and feeling of use (Kobayashi Hitoshi)
Maintenance information: 2025.12.13 maintenance completed (mechanical parts replacement mechanism including laser pickup ASSY, mechanical parts replacement, ASSY disassembly/cleaning/lubricating, clamper mechanism partial disassembly/rework correction repair carried out, each connector part reworked correction repair carried out, each part inspection/check/operation confirmed, and cleaned)
Accessories: remote control, instruction manual, power cord
Main specifications: Playable discs: DVD video, DVD audio, SACD, CD, CD-R, CD-RW, video CD, DVD-RW video output: DVI terminal 1, S1/S2 terminal 1, video 1, component 1, D1/D2 terminal 1 audio output: RCA1 system, XLR1 system, optical digital x 1 system, coaxial digital x 1 system, i.LINK x 1 system word sync input (BNC x 1) W442 x H153 x D353mm 23.5kg
An OFC copper wire/OFC copper wire horizontal shield is used for the masterpiece “Negrex 2497” 1-core shield wire/core wire recommended by Mr. Kaneda for the 1.0 m pair of RCA cables. The sound quality is flat and well-balanced. You can see the exterior, dullness, and feeling of use (Tomoho Asaine)
Maintenance information: 2025.12.13 continuity confirmed
Accessories: none
The disposal price has been reduced. Member prices are not applicable. 2025/10/26 sales price 5,000 yen Entrek Virtual Earth Special Earth Earth Cable 2.8 m Y Lug - RCA uses 102 SSC precision conductor, and is Oyaide multi-use wire 3398 specification. (FUJISAWA KOSHI)
Accessories: No accessories
The price has been reduced. 2025/12/10 sales price 698,000 yen Maintained! Genuine Stellar Vox GOLDMUND Millennium Evolution preamp. It is a luscious, elegant amplifier with a sexy tone unique to Goldmund. A carbon top has been adopted to improve the signal-to-noise ratio, and the use of an A20 module eliminates minute vibrations and fluctuations on the circuit. There is slight rust on the front plate (Daiki Goto)
Maintenance information: 2025.12.10 Maintained (the noisy Rch A20 amplifier module was replaced and the remote control battery was replaced. After the repair, operation, various characteristics were confirmed, running tests, and interior and exterior cleaning were carried out.)
Accessories: remote control, copy of manual, power cable
Main Specifications: Analog Input: Single Ended (RCA) x 7 Analog Output: Single Ended (RCA) x 2 Analog Tape Out Single End (RCA) x 2 Input Sensitivity/Impedance: 100mV/50kΩ Output Level/Impedance: 1.55Vrms/10Ω Frequency Characteristics: 0 to 150 kHz ± 0.1 dB 0 to 500 kHz ± 1 dB 0 to 0.85 MHz ± 3 dB Total Harmonic Distortion Ratio: 0.01% Below channel separation: 90 dB or more Maximum power consumption: 70 W W440 x D400 x H105 mm 10 kg
RCA cable 4.0m pair with FURUTECH RCA plug OFC conductor speaker cable can be used as both a speaker cable and power cable, and is a masterpiece of S/A Lab that was a big hit. The thick, tight low frequencies of the extruded sound image are attractive (Kojima Yosuke)
Accessories: none
Sold per bottle, rectifier tube, VT-244 equivalent tube, made in America, measured value 58 (rejected value 40), model number printing has disappeared ※The measured values indicate GM values measured with the testing machine TV-7 (Kojima Yosuke)
Accessories: original box
RCA cable 1.0m pair with FURUTECH RCA plug OFC conductor speaker cable can be used as both a speaker cable and power cable, and is a masterpiece of S/A Lab that was a big hit. The thick, tight low frequencies of the extruded sound image are attractive (Kojima Yosuke)
Accessories: none
RCA cable 1.0m pair with FURUTECH RCA plug OFC conductor speaker cable can be used as both a speaker cable and power cable, and is a masterpiece of S/A Lab that was a big hit. The thick, tight low frequencies of the extruded sound image are attractive (Kojima Yosuke)
Accessories: none
RCA cable 1.0m pair 7N copper wire+3 types of copper wire, 8A core multi-hybrid conductor cable structure. It is an RCA cable that suppresses the individuality of the cable sound as much as possible and aims for a natural sound. There is a slight dullness on the exterior of the Pilar Tool (Asaine Tomoho)
Maintenance information: 2025.12.8 continuity confirmed
Accessories: none
Digital cable 1.5m RCA terminal 5N pure silver core terminals are also recommended not only for connecting to the highest high conductivity digital cable or DAC with pure silver contacts, but also for connecting to high-precision clocks (Hiura Katsuji)
Maintenance information: 2025.12.6 continuity confirmed
Accessories: original box terminal cap
SR series RCA cable 1.0 m pair has a 2-core structure with 99.99999% OFC conductors (0.1 mm diameter x 105 stranded wire structure), the shield part is high-density braided with 192 7N high-purity copper wires, and the plug uses rhodium plating. The exterior is slightly dull on the plug (Takahashi Nobuyuki)
The price has been drastically reduced! 2025/12/2 sales price 398,000 yen Maintained! Comes with a cabinet. Genuine Electri This is a replica of the famous C22 from yesteryear. In addition to the luster and thickness of the tone comparable to the original, the high level of SNR compatible with current sources is attractive. The stunning art deco design with black glass panels and silver hairlines is also excellent. The exterior of the cabinet is chipped, slightly scratched, and dull. Serial JLK2683 (Yonejima Satoshi)
Maintenance information: 2025.12.2 Maintained (rotary switch, volume decomposition cleaning protective agent applied. lamp replacement. Grommet replacement Vacuum tube pin cleaning Solder fixes such as RCA jacks. Connector cleaning (Voice check for each input/output)
Accessories: No accessories
Main specifications: 3 line inputs, 2 phono/tape inputs, 2 systems each with balanced output, use vacuum tubes 12AX7 x 4, 12AT7 x 3 dimensions W406 x H138 x D330 mm, weight 7.3 kg