Maintained! 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 JBL vintage speakers is exceptional. There is rust on the back corner of the exterior (Mizusaki Ryo)
Maintenance information: 2025.12.17 maintained (SP relay, sliders replaced due to plastic cracks in L and R sliders, full METER RANGE, SP switching SW complete disassembly and cleaning, rear input level SW, STEREO/MONO SW, POWER GUARO SW, complete disassembly and cleaning. The SP terminal, RCA terminal, and exterior have been cleaned. Input/output waveform confirmation, meter adjustment (Watts/dB adjustment), load test (1 kHz sine wave, at 8 ohm load: 200W+200W, OK)
Accessories: copy of instruction manual
Main specifications: 200W+200W (1/2/4/8Ω) input sensitivity 0.75/2.5V W411 × H181 × D368 mm 38.6 kg
Maintained in 2024/5. A Threshold power amplifier that uses a Stasis circuit developed by Nelson Pass. It is a talented model that combines sufficient driving power to make even large speakers sound well, and good sound separation. There are small scratches and dullness on the exterior (Oikawa Tetsuji)
Maintenance information: 2024.5.9 maintained (check → large Lch distortion → normal instability in the board vibration test → pattern solder defect (crack) present, other power stage Tr all check, OK, operation check)
2023.3.25 Maintained (breaker switch replacement, operation check) 2023.2.15 Maintained (INPUT shield cable broken → re-soldered ~ operation check)
Accessories: power cable
Main specifications: rated output 200W+200W (20Hz to 20kHz, 8Ω) W480 x H192 x D480 mm 37 kg
※The dust cover is missing. Maintained, including replacement of 25 electrolytic capacitors! The mk4 model is a classic Technics analog player. It is a 78-rotation compatible and cable detachable model, which is rare in the 1200 series, and has strong consumer elements. Commat is non-genuine and does not include hinges, dust covers, or phono cables (Oikawa Tetsuji)
Maintenance information: 2025.12.17 Maintained (20% capacitance loss electrolyte capacitor replacement. 33/78 rpm push button not working, repair Speed VR cleaning. Disassemble, clean and lubricate the arm.
Clean the entire cabinet. (Other parts are inspected and operation tests are carried out)
Accessories: none
Main specifications: Direct drive, quartz control, rotation speed 33, 45, 78 rpm, tone arm, universal S-shaped static balance gimbal suspension system, needle pressure adjustment range 0 g to 4.0 g, W453 x H162 x D360 mm, 12.5 kg
Maintained by the manufacturer! Line-only premain amplifier using EL34. The sharp sound of the EL34 tube is impressive. It has a glossy tone unique to tube amplifiers with a modern sense of range and good response. There is a slight dent on the front (Daiki Goto)
Maintenance information: 2025.12.17 Triode maintenance completed (JJ EL34 x 4 units were replaced, and various parts were inspected and maintained, including selector polishing.)
Accessories: manual, power cable
Main specifications: circuit type EL-34 ultra linear connection AB class push-pull drive rated output 45W+45W (8Ω) SN-ratio 90dB vacuum tubes EL34 x 4, 12AX7 (JJ) x 1, 12AU7 (JJ) x 2 speaker output terminals 6Ω/8Ω input 4 systems W330 x H150 x D315 mm 15 kg
※ There is no operation problem, but it is currently sold because it is cheap. MM phono equalizer made by Hirakawa Acoustics. The specs and details are unknown, but there are no habits and the sound is straight (Daiki Goto)
Maintenance information: 2025.12.17 operation confirmed
Accessories: none
Main specifications: W150 ✕ H50 ✕ D265 mm weight 1.8 kg
*Currently sold. 31-band graphic equalizer for mono, pair There is a line scratch on the top plate, and a sticker is attached to the freon panel (Oikawa Tetsuji)
Maintenance information: 2025.12.17 operation confirmed
Accessories: power cable
Main specifications: 1ch 31 band graphic equalizer W483 x H89 x D201 mm 3.6 kg
*Currently sold. Yamaha's classic mono equalizer, pair. It has a sturdy construction that can withstand use in the field, the accuracy of the slide VOL is also high, the sound quality is flat and thick, simple and easy to use, and the equalizer section divided into 27 parts allows for detailed adjustments. There are small scratches and dullness overall (Oikawa Tetsuji)
Maintenance information: 2025.12.17 operation confirmed
Accessories: none
Main specifications: 27 band equalizer center frequency 40, 50, 63, 80, 100, 125, 160, 200, 250, 315, 400, 500, 630, 800, 1k, 1.25k, 1.6k, 2k, 2.5k, 3.15k, 4k, 5k, 6.3k, 8k, 10k, 12.5k, 16kHz W480 x H95.5 x D305 mm weight 8 kg
※ There is no operation problem, but it is currently sold because it is cheap. APHEX exciter. It can give changes that cannot be obtained with an equalizer alone, such as making vocals stand out and increasing the presence of instruments. There are wounds and dullness (Daiki Goto)
Maintenance information: 2025.12.17 operation confirmed
Accessories: none
Main specifications: W382 x H88 x D132 mm weight 6.4 kg (actual measurement, not including protrusions)
*Currently sold. Microphone preamp for 1 channel. The multifunctionality with 4 built-in dynamics processors is attractive. Improves microphone sound easily and quickly There are many scratches on the top plate (Oikawa Tetsuji)
Maintenance information: 2025.12.17 operation confirmed
Accessories: power cable
Main specifications: W483 x H45 x D150 mm 2.2 kg
*Currently sold. Microphone preamp for 1 channel. Multi-function mic preamp with 4 built-in dynamics processors. Improve your microphone's sound easily and quickly. There are many scratches on the top plate (Oikawa Tetsuji)
Maintenance information: 2025.12.17 operation confirmed
Accessories: power cable
Main specifications: W483 x H45 x D150 mm 2.2 kg
*Currently sold. Microphone preamp for 1 channel. The multifunctionality with 4 built-in dynamics processors is attractive. Improve microphone sound easily and quickly Improve microphone sound easily and quickly (Oikawa Tetsuji)
Maintenance information: 2025.12.17 operation confirmed
Accessories: power cable
Main specifications: W483 x H45 x D150 mm 2.2 kg
*Currently sold. Microphone preamp for 1 channel. The multifunctionality with 4 built-in dynamics processors is attractive. Improve your microphone's sound easily and quickly. There are multiple scratches on the top plate (Oikawa Tetsuji)
Maintenance information: 2025.12.17 operation confirmed
Accessories: power cable
Main specifications: W483 x H45 x D150 mm 2.2 kg
*Currently sold. Microphone preamp for 1 channel. The multifunctionality with 4 built-in dynamics processors is attractive. Improve your microphone's sound easily and quickly Improve your microphone's sound easily and quickly. There is dullness and small scars (Oikawa Tetsuji)
Maintenance information: 2025.12.17 operation confirmed
Accessories: power cable
Main specifications: W483 x H45 x D150 mm 2.2 kg
*Currently sold. Microphone preamp for 1 channel. The multifunctionality with 4 built-in dynamics processors is attractive. Improves microphone sound easily and quickly There are many scratches on the top plate (Oikawa Tetsuji)
Maintenance information: 2025.12.17 operation confirmed
Accessories: power cable
Main specifications: W483 x H45 x D150 mm 2.2 kg
*Currently sold. A Japanese superwoofer that uses an enclosure with a piano black glossy finish. Multi-audio playback with a sense of localization has been realized. The LF DIRECT circuit realizes pure bass reproduction that is faithful to the source, so it is compatible with various scenes. There is a small paint chip in one place on the front corner of the exterior (Mizusaki Ryo)
Maintenance information: 2025.12.17 operation confirmed
Accessories: none
Main specifications: amplifier section maximum output 100W input impedance LINE in 22kΩ, HIGH IN 4.7kΩ frequency band 20Hz to 150Hz W225 x H370 x D390 mm weight 11 kg
*Currently sold. A high-quality vocal echo dedicated machine with 24-bit AD/DA conversion and a sampling frequency of 48 kHz. It is also equipped with a connection terminal for musical instruments, and can also be used as a delay or reverb. As for the exterior, there is a sticker on the front panel, and there is a small square mark on the top plate (Mizusaki Ryo)
Maintenance information: 2025.12.17 operation confirmed
Accessories: power cable
Main specifications: sampling frequency 48 kHz frequency characteristics 10 Hz to 40 kHz -2.0/+1.0 dB (direct) 20 Hz to 20 kHz -2.0/+1.0 dB (effect) connection terminal microphone 1, 2 (standard) input LR (standard x 2) output LR (standard x 2) effect remote jack (standard) W482 x H44 x D210 mm weight 2.5 kg
*Currently sold. A tall boy with a clear, firm, and clear sound. It has beautiful treble and speedy bass, and can be used in a variety of ways, from theater to audio. There is dirt on the center cap of the woofer on the exterior (Ryo Mizusaki)
Maintenance information: 2025.12.17 sound output confirmed
Accessories: original box
Main specifications: 6 ohms 86 dB dimensions W185 x D300 x H1040 mm pedestal part W225 x D335 mm weight 19 kg
This is an Accuphase digital channel divider. It is equipped with 4 channels (4 way) as standard specifications, and a higher order filter with even fewer errors has been achieved by adopting a high-accuracy, high-speed DSP. The ease of operation, including connectivity and ease of use, is also one of its attractions. The exterior is good with no conspicuous scratches. Serial A1Y063 (Fujisawa Yukishi)
Maintenance information: 2025.12.17 operation confirmed
Accessories: power cord
Main Specifications: Digital Inputs: COAXIAL, OPTICAL, HS-LINK Analog Inputs: RCA, XLR Digital Outputs: COAXIAL, HS-LINK Frequency Characteristics: 2.0 to 50,000 Hz Slope Characteristics: 6dB, 12dB, 18dB, 24dB, 48dB, 96dB W465 x H151 x D396mm 14.7 kg
Maintained! *The speaker terminals have been replaced with those compatible with Panana plugs. A class-grade power amplifier with 200W x 200W (6Ω) pure A class operation. This model was particularly popular among domestic power amplifiers at the time. There is a sense of scale, and the thick sound is full of fulfillment unique to that time. In particular, the combination with domestic 3-way products such as the Yamaha NS-1000M is excellent. There are small scratches and threads on the exterior. Serial 02183 (Fujisawa Yukishi)
Maintenance information: 2025.12.17 Maintained (input volume contact defect replacement. (Both left and right main amplifier boards and power supply board soldering have been corrected.)
Accessories: No accessories
Main specifications: 240W+240W (4Ω) 200W+200W (6Ω) 170W+170W (8Ω) SNR 124dB dimensions W435 x H165 x D422mm weight 26 kg
*Currently sold. 16 cm Fostex woofer It is a woofer that responds quickly and is sharp, can be combined with a backroad, and can also be combined with a bass reflex, so those who make their own can enjoy a variety of things. The exterior is good (Yonejima Satoshi)
Maintenance information: 2025.12.17 sweep test is good
Accessories: instruction manual, original box
Main specifications: impedance 8 ohms playback frequency band 40 Hz to 9 kHz output sound pressure level 89dB maximum input 100W crossover 3000 Hz baffle aperture diameter 151 mm screw pitch (diagonal) 174 mm weight 3.9 kg
*Currently sold. 1 bottle only Fostex 16cm woofer It is a woofer that responds quickly and is sharp, can be combined with a backroad, and can also be combined with a bass reflex, so those who make their own can enjoy a variety of things. The exterior is good (Yonejima Satoshi)
Maintenance information: 2025.12.17 sweep test is good
Accessories: instruction manual, original box
Main specifications: impedance 8 ohms playback frequency band 40 Hz to 9 kHz output sound pressure level 89dB maximum input 100W crossover 3000 Hz baffle aperture diameter 151 mm screw pitch (diagonal) 174 mm weight 3.9 kg
Maintained! The 606 is thick and unimaginable from its compact exterior. The good sound unique to QUAD allows you to enjoy not only classical music, but also jazz vocals in a mild way. The high level of musicality that makes you enjoy the music with a pleasant tone stands out. The exterior has dullness and small scratches over time. Serial Q025197 (Yonejima Satoshi)
Maintenance Information: 2025.12.17 Maintained (RCA pin jack replacement. Other internal checks. In-board bypass capacitor replacement. Gain setting capacitor replacement. Tr all check)
Accessories: power cable
Main specifications: output 140W+140W (8Ω) W321×H140×D238mm 12kg
A high sound quality-oriented MC cartridge that uses solid boron as the cantilever. The body has a resonance-free, vibration-free structure made of machined duralumin, and has clear, flat sound quality without fluctuation. The high sensitivity that responds linearly to musical intonation is also attractive. Serial P30602070 (Murakoshi Yoichi)
Maintenance information: 2025.12.17 sound output confirmed
Accessories: original box, needle cover, warranty card
Main specifications: MC type boron solid cantilever impedance 4 ohms or less, proper needle pressure 1.7 to 2.0 g output 0.27 mV dead weight 10.9 g
Maintenance has been completed, such as correcting peeling of the glass panel and replacing the capacitor in the input board. 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. Electri regular imported 100V specification. Dullness, rust, small scratches, etc. can be seen on the exterior, top surface, and metal plating parts (Kobayashi Hitoshi)
Maintenance information: 2025.12.16 maintained (short lead processing between switched pin jack internal terminals, operation check) 2025.6.28 maintained (each SW, VOL cleaning, lamp replacement, push button cleaning, pin jack cleaning, glass panel peeling correction, input board capacitor replacement, fuse replacement, operation check of each part (a little bit of equalizer gap remains))
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
Currently sold. Class D power amplifier with extremely high cost performance incorporating PFFB technology, etc. It's a modern, flat sound with excellent transparency and resolution. If you're looking for a desktop one, take this opportunity. The appearance is fine, with no noticeable scratches, etc. (Kobayashi Hitoshi)
Maintenance information: 2025.12.16 Operation confirmed
Accessories: power cord, connection cord, power adapter, original box
Main specifications: Texas Instruments TPA3255 maximum output 300W+300W (4Ω) impedance 4Ω to 8Ω frequency characteristics 20Hz to 20kHz (±0.5dB) S/N ratio ≥ 116dB input terminal RCA/XLR/TRS combo jack output terminal speaker output (banana plug compatible) subwoofer output (RCA) W142 x H46 x D190 mm 1.1 kg
Currently sold. It achieves both soft sound from vacuum tubes and high resolution from operational amplifiers. The sound is mild, warm, and not tiring to listen to, with the feeling of polishing the corners unique to digital amplifiers. If you're looking for a desktop one, take this opportunity. The appearance is fine, with no noticeable scratches, etc. (Kobayashi Hitoshi)
Maintenance information: 2025.12.16 Operation confirmed
Accessories: instruction manual, remote control, AC power supply, original box
Main specifications: 12AX7 x 2 input terminal XLR/RCA output terminal XLR/RCA output level RCA: 4V/XLR: 6V power supply DC 12V (2A or more recommended) W190 x H46 x D142 mm approx. 1 kg
※Earth is out of stock. GRACE record static eliminator Height adjustable This accessory is used by touching the carbon fiber brush to the record surface or keeping it 1 to 2 mm apart. There is a slight curvature and dullness on the brush tip (Murakoshi Yoichi)
Accessories: none
Main specifications: W178xH59xD37mm approx. 125g
※There is a small gap in the attenuator, which is the current situation. This is a popular model when Sony's CD was first released. This model stands out for its stable bass even when compared to current players in the same price range. The low range, which is tight yet has a sense of volume, allows you to enjoy a sense of weight above the price. It has a bright, sharp tone and is suitable for popular genres in general. You can see the exterior, dullness, and feeling of use (Kobayashi Hitoshi)
Maintenance information: 2025.12.6 sound output confirmed
Accessories: remote control, instruction manual
Main specifications: 8x oversampling, 18-bit D/A converter, multi-bit model name, linear tracking mechanism, size W475 x H125 x D375 mm, 18.5 kg
※Inexpensive because the remote control is out of stock. Currently sold. A network audio player that complies with DLNA 1.5. Equipped with a USB DAC function. It is equipped with coaxial/optical digital input, iPod/iPhone (Air Play) compatible, and front USB input. You can see the exterior, dullness, and feeling of use (Kobayashi Hitoshi)
Maintenance information: 2025.12.10 Operation confirmed
Accessories: power cable
Main specifications: Playback file/MP3, WMA, AAC, WAV, FLAC digital input/LAN, coaxial, TOS, TypeA, USB TypeB digital output/coaxial, TOS W440 × H106 × D343 mm 6.5 kg
*Spikes are out of stock. The main body of the 3-piece heavyweight point base set is heavy weight with machined gunmetal and matte nickel plating applied. There are many abrasions and a feeling of use (Murakoshi Yoichi)
Accessories: none
Main specifications: diameter 60mm height 25mm 560g