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
The price has been drastically reduced. 2025/7/31 sales price 30,000 yen. ※The unit fixing bracket is missing. Denon SC-2000 enclosure equipped with a Gauss coaxial 38cm speaker unit. You can see a feeling of use, such as appearance, dullness, abrasions, etc. (Kobayashi Hitoshi)
Accessories: saran net
Main specifications: 38 cm hole diameter 35.5 cm bolt pitch 422 mm W592 x H960 x D455 mm 53.8 kg (actual measurement)
*Currently sold. Pioneer synthesizer FM/AM tuner. It's a thin, easy to use, and convenient car. Since it is equipped with a memory function, song selection can also be carried out smoothly. There is a dent in the top plate (Oikawa Tetsuji)
Maintenance information: 2025.11.10 Operation confirmed
Accessories: AM antenna
Main specifications: FM/AM tuner SNR 76dB (MONO) 73dB (STEREO) W420 x H78 x D287 mm weight 2.7 kg
The disposal price has been reduced. Member prices are not applicable. 2025/6/21 sales price 118,000 yen 17 capacitors have been replaced, volume, switch cleaning, etc. have been maintained. This is QUAD's first transistor preamp. The dark tone, with a sweet sense of humidity, is the British sound itself. The combination with the company's 303 power amplifier is still recommended. There are scars, dullness, etc. appropriate for the model year (Oikawa Tetsuji)
Maintenance information: 2025.6.21 maintained (balance Rch lead with internal disconnection → correction, soldering
Each VOL and SW cleaning. PHONO/LINE in-board coupling C, bypass C, etc. replacement ~ operation check, 3-type cable creation)
Accessories: power cable, connection cable, copy of instruction manual
Main specifications: Phono 1 system, 3 line systems, W260 x H92 x D165 mm, 3 kg
Pair tube direct heat triode American lot: 6539/6952 double square getter measurement value 80/78 (rejection value 58) with replacement box Both tubes were burned by mica at the top of the tube head, and the getter has decreased slightly ※Pairs are judged based on the gM value measured by the testing machine TV-7 (Kojima Yosuke)
Accessories: replacement box (WE300B original box since 1995)
The disposal price has been reduced (member prices are not applicable). 2025/11/16 Sales price 118,000 yen Maintenance has been completed, including replacement of 4 capacitors and 1 resistor. This is QUAD's first transistor preamp. The dark tone, with a sweet sense of humidity, is the British sound itself. The combination with the company's 303 power amplifier is also an attractive system. There are small scratches, dullness, etc. appropriate for the model year (Oikawa Tetsuji)
Maintenance Information: 2025.11.16 Maintained (AC Switch Spark Killer NG → Replaced. Replace the capacitor in the power supply. Capacitors in each AMP have been replaced. Each VOL and SW cleaning. Operation inspection check)
Accessories: power cable, connection cable, copy of instruction manual
Main specifications: Phono 1 system, 3 line systems, W260 x H92 x D165 mm, 3 kg
Popular 3-tier rack It has a sturdy construction with a metal frame. The size is a space-saving design with the outer dimensions cut down to the last minute and the inner dimensions extended to the last minute. The tight and accurate sound quality brings out the performance of the device. You can see a feeling of use, such as appearance, dullness, abrasions, etc. (Kobayashi Hitoshi)
Accessories: spike, spike receiver, instruction manual
Main specifications: 3-tier rack, load capacity up to 50 kg, shelf spacing 190/260 mm, W540 x D484 x H655mm, 31 kg
The disposal price has been reduced (member prices are not applicable). 2025/12/6 sales price 150,000 yen Maintained! KENWOOD's highest-grade varicone tuner is still highly popular! It uses a high-precision 7-frequency linear varicon, and has the vividness of listening directly to studio sounds. Please experience the sound quality you can't enjoy with a digital synthesizer tuner. Dullness, small scratches on the front panel (Daiki Goto)
Maintenance information: 2025.12.9 Maintained (rust has occurred on the front end varicon shaft, and rust will be removed. We will repair the varicone gearbox. We perform comprehensive adjustments to the high frequency section, IF section, MPX section, second local frequency section, PLL circuit section, audio amplifier section, etc. (We will clean the scale plate and replace the dial pointer.)
Accessories: connection cable, original box
Main specifications: FM dedicated tuner, 7-speed varicon, W480 x H147 x D423 mm, 12.4 kg
The price has been reduced. 2025/11/29 sales price 40,000 yen 614D type enclosure. Details are unknown. The previous owner had mounted a 414-8B. There is an electric sticker on the back. If you've been looking for this size, take this opportunity. You can see a feeling of use, such as appearance, dullness, abrasions, etc. (Kobayashi Hitoshi)
Accessories: saran net
Main specifications: W520×H615×D390mm 22kg
The disposal price has been reduced. Member discounts are not applicable. 2025/11/5 sales price 55,000 yen*Currently sold. A speaker system incorporating Faital Pro's 16cm full range unit 6Hx150-8 into a self-made enclosure. Bass reflex configuration. The details of the enclosure are unknown, but it is well-built. There is no network, and the capacitors are low cut. If you're looking for this size, take this opportunity. The appearance is good with little feeling of use (Kobayashi Hitoshi)
Maintenance information: 2025.11.5 sound output confirmed
Accessories: none
Main specifications: faital PRO 6HX 150-8:15 cm full range 8Ω W320 × H530 × D295 mm 7.8 kg (actual measurement)
POLE STAR's record cleaner using conductive carbon. If you've been looking for one, take this opportunity. It is in excellent condition. (YONEJIMA Satoshi)
Accessories: case
Main specifications: W115 x H35 x D18 mm 31.6 g (actual measurement)
The price has been reduced. 2025/12/12 sales price 898,000 yen Speaker system S1 that creates innovative values sent out by MAGICO. In addition to a 7-inch woofer with a carbon nanotube seat and a driver with a lightweight and strong vibration system, the enclosure using seamless teardrop airgrade aluminum alloy extraction material and cast aluminum material creates an astonishing sound image. There are no particularly noticeable scratches or stains (Kanai Hidetsugu)
Maintenance information: 2025.12.9 sound output confirmed
Accessories: saran net, spike, spike holder
Main specifications: 2 way/2 speakers sealed floor stand type efficiency 86dB 1W/1m impedance 4Ω W248 x H1170 x D222 mm weight 34 kg
The disposal price has been reduced. Member prices are not applicable. 2025/12/10 sales price 450,000 yen The woofer, driver, and network have all been maintained! All refreshed, including exterior polishing, oil finish, and reattaching the saran net. The L200 is a home-use model designed with professional studio monitor specifications. It is a model that emphasizes sound quality and is highly praised by JBL enthusiasts. It has a good response and a lot of wild sounds, and I'm addicted to enthusiastic 60s hard bop and psychedelic 70s rock (Sasaki Shota)
Maintenance information: 2025.12.9 Maintained (exterior repair/polishing/oil finish. Front and rear baffles/hakama repair/painting Saran net replacement. Woofer maintenance: corn paper repair/coating, terminal cleaning/screw replacement. Driver maintenance: Magnetic circuit gap cleaning center adjustment, sound absorbing material replacement, terminal cleaning/screw replacement. Network maintenance: frequency characteristic check, ATT cleaning, terminal cleaning, screw replacement)
Accessories: none
Main specifications: 2 way · 2 speakers · bass reflex system · floor type unit for low range · 38 cm cone type (LE15B) high range · horn type (LE85+HL91) network · LX16 impedance 8 Ω allowable input 100 W crossover frequency 1200 Hz W610 × H830 × D540 mm 66 kg/1
The disposal price has been reduced. Member discounts are not applicable. 2025/12/14 sales price 150,000 yen This is a JBL4520 original enclosure that once played an active part in the Osaka 70 Expo. Double backload floor type. Overwhelming and exciting! It is possible to reproduce deep bass with plenty of volume. You can see a feeling of use, such as appearance, dullness, abrasions, etc. (Kobayashi Hitoshi)
Accessories: MA15, self-made casters
Main specifications: Backload horn system/floor type enclosure unit mounting part (hole) diameter approx. 36 cm approx. 41.5 cm between diagonal bolts (actual measurement) dimensions W927 x H1,294 x D767 mm (actual size) reference weight approx. 110 kg