Maintained by Accuphase Service! A core power amplifier representing the Accuphase in the mid-80s. Neat sound design, just like Accuphase. A highly complete car that harmonizes high resolution and thickness in an exquisite balance. It is a famous model that was used as a reference power amplifier for various FM magazines at the time. There are scratches on the side corner and front (Sasaki Shota)
Maintenance information: 2024.4.27 Maintained by the manufacturer (due to poor output relay contacts, both A/B were replaced with sealed types. Front, push button switch contact cleaning. Level volume left and right disassembly contact cleaning. (The meter and logo lamp were replaced, the carbon resistance in the power amplifier Ass'y was exchanged left and right, and internal inspection and cleaning characteristics were checked)
Accessories: manual
Main specifications: output 250 W+250 W (8 ohms) frequency characteristics 20 Hz to 20,000 Hz gain 28.0 dB load impedance 2 to 16 ohms damping factor 500 W 481 x H218 x D445 mm weight 33.5 kg
Maintained. A Yamaha stereo power amplifier boasting high driving power with a damping factor of 200. The cool panel design and the impressive meter with an orange light are also attractive. Enjoy the hot sound unique to the heyday of audio. There are small wounds and dullness (Oikawa Tetsuji)
Maintenance information: 2024.4.27 Maintained (pre-drive circuit repair. Soldering fixes within each circuit. Bad output relay contact replacement. (Meter lamp power lamp deterioration replacement)
Accessories: none
Main specifications: rated output 120W+120W (8Ω) size W435 x H133 x D380 mm weight 11.8 kg
This is a super dreadnought mono power amplifier. Recommended for those who want to drive large speakers! The sound quality is natural and clearly expresses delicate parts. It is a power amplifier that has driving power and allows you to feel comfortable and at ease. There are small scratches on the exterior, but it is generally good (Ryo Mizusaki)
Maintenance information: 2024.4.30 Maintained (meter acrylic removed, internal glass fog cleaning, all front lamps replaced. (Check that the lamp is on)
Accessories: power cord, instruction manual
Main specifications: 1200W (2/4/8 Ω) speaker output 1 system x 3 (2 ohm x 1, 4 ohm x 1, 8 ohm x 1) input terminal RCA x 1 system, XLR x 1 system, W445 x H313 x D540 mm 66.7 kg/unit
※Because it smells like tobacco, it's cheap. Maintained! Custom edition of the large power amplifier PA-70 from the STASIS circuit. Supported by a huge 700W toroidal transformer, the speaker driving power, which consists of a 90A power supply, is one of the best among domestic amplifiers. Fortissimo, which excels at delicate depictions but doesn't make you feel limited, is unique to this large amplifier. The exterior is dull and scratched. Serial 11179 (Fujisawa Yukishi) A
Maintenance information: Maintained on 2024.4.26 (bias part and constant current part semi-fixed VR, output relay, and damaged screws were replaced, additional installation due to lack of cable protector, solder crack correction, bias and offset adjustments, output sound check, dirt removal and cleaning)
Accessories: No accessories
Main specifications: rated output 225W+225W (8Ω) W435 x H200 x D421 mm approx. 28.5 kg
The price has been drastically reduced! 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 (check capacitors, resistors, transistors, etc. as is OK. bias check)
Accessories: none
Main specifications: size (actual measurement) W406 x H155 x D327 mm weight (actual measurement) 12.2 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
The disposal price has been reduced. Member prices are not applicable. 2024/3/21 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 appropriate for the model year, such as line scratches on the top plate, rubber footprints, and overall dullness (Mizusaki Ryo)
Maintenance information: 2024.3.21 maintained (internal Tn, C, R check, Tn OK, gain setting C, DC cut C, etc. → replacement, DINININPUT connector replacement, cable creation ~ operation check)
Accessories: power cord, connection cord, copy of instruction manual
Main specifications: 100W+100W frequency characteristics 20 to 20 kHz dimensions W341 x H115 x D195 mm weight 9 kg
※There are no operation confirmation issues, but since it is for business use, it will be handed over as is without warranty. It is an attractive amplifier with a maximum output of 100W during 4-channel operation, and the strength unique to commercial use. There is a feeling of use such as scratches and dullness on the exterior as a whole (Ryo Mizusaki)
Maintenance information: 2024.2.3 sound output confirmed
Accessories: none
Main specifications: 80 W x 4 (8 Ω continuous output) 100 W x 4 (4 Ω continuous output) 200 W (BTL 8 Ω continuous output) W480 x H88 x D417 mm weight 12.5 kg
※There are no operation confirmation issues, but since it is for business use, it will be handed over as is without warranty. Excellent heat dissipation performance due to the servo cooling system. It clearly brings out stable sound quality even when used continuously for a long period of time, and the sound source and pre are simply brought out. Overall, there is a feeling of use such as dirt and friction (Ryo Mizusaki)
Maintenance information: 2024.2.3 sound output confirmed
Accessories: none
Main specifications: 80 W+80 W (8 Ω continuous output) 110 W+110 W (4 Ω continuous output) 220 W (BTL 8 Ω continuous output) frequency characteristics 20 Hz to 20 kHz +0 -0.5 dB (at 4 Ω 1 W output) dimensions 480 x 102 x 394 mm