Accuphase's pure A class stereo flagship model. The balance between static and dynamic, and soft and stiff is packed into this car. A power MOS FET with a reputation for sound quality and reliability is used as the output element, and 10 parallel push-pull drives are used per channel. Furthermore, the powerful power supply unit achieves linear high power up to an ultra-low impedance of 1 ohm. The exterior has some impact scratches on the corner. Serial D1Y562 (Fujisawa Yukishi)
Maintenance information: 2024.5.25 Operation confirmed
Accessories: instruction manual, power cable (general purpose)
Main specifications: 60 W+60 W (when 8 ohm stereo specification) 240 W (when 8 ohm mono specification/bridge connection) gain 28 dB load impedance 2 to 16 ohms (in stereo specification) 4 to 16 ohms (in mono specification/bridge connection) W465 x H238 x D515 mm weight 43 kg
Accuphase's pure A class stereo flagship model. The balance between static and dynamic, and soft and stiff is packed into this car. A power MOS FET with a reputation for sound quality and reliability is used as the output element, and 10 parallel push-pull drives are used per channel. Furthermore, the powerful power supply unit achieves linear high power up to an ultra-low impedance of 1 ohm. There are scratches on the exterior. Serial D1Y563 (Fujisawa Yukishi)
Maintenance information: 2024.5.25 Operation confirmed
Accessories: instruction manual, power cable (general purpose)
Main specifications: 60 W+60 W (when 8 ohm stereo specification) 240 W (when 8 ohm mono specification/bridge connection) gain 28 dB load impedance 2 to 16 ohms (in stereo specification) 4 to 16 ohms (in mono specification/bridge connection) W465 x H238 x D515 mm weight 43 kg
The disposal price has been reduced. Member prices are not applicable. 2024/5/6 sales price 998,000 yen*The front panel is 20.6L, but it is an upgraded product starting at 20. Maintained! Genuine Harman product. The excellent separation unique to mono and the excellent sense of shading of the sound give off a unique difference, and even large aperture woofers drive well. Also, the slightly sweet, and comfortable sound similar to ML-2L is attractive. It still makes music fans groan. There are scratches and small scratches on the exterior. Serial 666/665 (Sasaki Shota)
Maintenance information: 2024.4.15 Maintained (1 deteriorated transistor has been replaced. Other inspections and adjustments have been made) 2023.7.20 maintained (connector contact between the heat sink board and main board has been corrected. Tr, capacitor and resistor exchange. Part of the board solder is re-soldered. Attach the Fisher plug to the SP cable. (Other inspections and adjustments)
Accessories: copy of instruction manual, power cable, Fisher to SP cable, Remo pin x 2, balance short pin
Main specifications: mono power amplifier effective output 100W (8Ω) input/unbalance (RCA) 1 system, balance (XLR) 1 system, 1 SP terminal system W483 ✕ H210 ✕ D560 mm weight 33 kg/unit
The flagship model of the Macintosh power amplifier with a silver panel. It is characterized by its rich 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, dullness, and discoloration in places (Kojima Yosuke)
Maintenance information: Maintained on 2020.8.26 (2 input volumes, 4 semi-fixed volumes, 2 RCA plugs, 12 lamps, 8 electrolytic capacitors, replacement input mode switch disassembly cleaning, card edge cleaning, soldering, bias and offset check, output sound check)
(*The interior and exterior have been cleaned.)
Accessories: power cable
Main specifications: 500W+500W (1000W when mono) equipped with power guard circuit W483 x D465 x H263 mm 60.3 kg
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
YBA's rare power amplifier is in stock for the first time at Hi-Fi! Uses a large double power transformer and an original Motorola power transistor. Engineers who were in charge of design at Goldmund are in charge of production, and the sound field is large. It is an amplifier with a very high degree of perfection, with precise tone, medium and low frequencies with intonation, etc. The exterior has dullness, threads, etc. (YONEJIMA Satoshi)
Maintenance information: 2024.5.28 Operation confirmed
Accessories: power cord
Main specifications: 85W+85W (8Ω) 170W+170W (4Ω) W430 × D330 × H132 mm,22 kg
The price has been reduced. 2024/5/27 sales price 248,000 yen maintenance completed! Genuine Electri 7CH high power multi amplifier. Power amplifiers featuring high power of 200W each. Not only can it be used for AV surround and multiple amplifiers, but it can also be enjoyed as a normal power amplifier with sufficient driving power. The American sound is straight and has high instantaneous power. The exterior has noticeable line scratches and dullness on the front (Oikawa Tetsuji)
Maintenance information: 2024.5.27 maintained (card edge contact cleaning, excessive reviver cleaning, removal, disassembly, polishing, and resistance value check, mounting solder correction) 2022.11.4 maintenance completed (all amplifier board removal, card edge contact cleaning input and operation mode changeover switch cleaning FAN cleaning bias and offset check. (BTL mode check for each channel RCA and XLR input/output audio check)
Accessories: manual, power cable
Main specifications: each channel 200W/8Ω W440×H144×D483mm 25.4 kg
The disposal price has been reduced! (Member discounts are not applicable) 2023/5/9 sales price 198,000 yen Maintained! This power amplifier was released around the same time as the SG620. It combines 100W+100W driving power with good sharpness. It reproduces thick sounds unique to JBL from a simple design with only a power switch on a black body. It goes well with 70' SJBL speakers and drives exhilarating. The exterior has front scratches, bends on the power switch, scratches, and repair marks on the top plate. Serial 10623 (Yamato Yuki)
Maintenance information: 2024.3.2 Maintained (timer relay installed (speaker will be turned on 5 seconds after power is turned on. (Please turn off the VOL when the power is on). Power SW bending correction (deformation of the knob itself is not compatible). Power stage Tr check. (Replacement of Tr in the board, level VOL, fuse holder, and C in the power supply board)
Accessories: power cable
Main specifications: T-type circuit adopted 100W+100W W432 ✕ H132 ✕ D355mm 19kg
The disposal price has been reduced! (Member discounts are not applicable) 2024/4/27 sales price 148,000 yen Maintained! It is a model that is small yet has a calm and glossy tone. A combination with European speakers is recommended along with the company's Pre-44. A slightly more modern taste than the 405 has been added. There is a feeling of use on the exterior, such as dullness, small scratches, and peeling paint. Serial Q078428 (Hiroki Aso)
Maintenance information: 2024.4.27 maintained (internal dismantling check, power Tr driver, Tr check, replacement of each C in the board, partial soldering, defect correction, bottom rubber foot mounting operation check)
Accessories: copy of instruction manual DIN to RCA (female) conversion cable, power cable (general purpose)
Main specifications: 100W+100W W341×H115×D195mm 9.0 kg
The disposal price has been reduced. Member discounts are not applicable. 2024/3/20 sales price 128,000 yen Maintained! Quad power amplifier. Despite its compact body, you can enjoy a smooth, thick sound. It really goes well with speakers made in England, and makes you listen to 70s analog sound with a sense of dynamism. You can see a feeling of use such as appearance, dullness, abrasions, scratches, stains, etc. (Kobayashi Hitoshi)
Maintenance information: 2024.3.19 maintenance (DIN connector replacement, resistance in both other channels, capacitor replacement, each Tr all check)
Accessories: connection cable, power cable, instruction manual (copy)
Main specifications: 100W+100W frequency characteristics 20 to 20 kHz dimensions W341 x H115 x D195 mm weight 9 kg
Maintained! A classic British Quad stereo power amplifier. Small in size yet full torque. The sound, which is as deep as a tube amp, exudes an appeal that won't fade. The exterior has a feeling of use over time, such as dullness and small scratches. Serial 62226 (Yonejima Satoshi)
Maintenance Information: 2024.3.25 Maintained (INPUT DIN 4P replacement, internal Tr, C, R all checks. DIN4P-RCA female cable created. Operation check, pattern solder processing)
Accessories: power cable, connection cable
Main specifications: 45W+45W W120×H159×D324mm 8.2 kg
The disposal price has been reduced! (Member prices are not applicable) 2024/3/22 sales price 128,000 yen Maintained! Quad power amplifier Despite its compact body, you can enjoy a smooth, thick sound. It really goes well with speakers made in England, and makes you listen to 70s analog sound with a sense of dynamism. The exterior has a feeling of use such as dullness. Serial 41000 (Tomoho Asaine)
Maintenance Information: 2024.3.22 Maintained! (Internal check DC cut C, gain setting C, etc., exchange Tr, etc. check operation check, DIN4P-RCA female cable creation)
Accessories: power cable
Main specifications: 100W+100W frequency characteristics 20 to 20 kHz dimensions W341 x H115 x D195 mm weight 9 kg
The disposal price has been reduced (member prices are not applicable). 2023/11/26 Sales price 128,000 yen Maintained in 2022/6! An eye-catching power amplifier with its black and large power meter typical of Sansui. It entertains me with its power, which can be felt from its appearance, and its supple, stretchy sound quality. The exterior has dullness, scratches, rust, etc. over time (Oikawa Tetsuji)
Maintenance information: 2022.6.23 Maintained (both channel volumes replaced. SP relay bad contact replacement. Replace protectors, deteriorated transistors, resistors, and diodes in meter boards. Replace deteriorated transistors and resistors in the power supply board. Replace deteriorated transistors and capacitors in the drive board. OUTPUT selector switch cleaning. (General adjustment)
Accessories: none
Main specifications: left and right independent 2 power supply diamond differential circuit effective output 110W+110W (8Ω) load impedance 4 to 16 ohms W482 x H187 x D450 mm 20.3 kg
Maintained! A classic British Quad stereo power amplifier. Small in size yet full torque. The sound, which is as deep as a tube amp, exudes an appeal that won't fade. There is a feeling of use such as dullness. Serial 3121 (Takasaki Atsushi)
Maintenance information: 2024.3.22 maintained (INPUT DIN4P and AC connector replacement, DIN4P-RCA x 2 (1m) creation, internal check, DC cut C, coupling C replacement, RCH offset VOL exchange, constant change in constant voltage circuit)
Accessories: copy of manual, power cord, connection cord
Main specifications: 45W+45W W120×H159×D324mm 8.2 kg