Maintained! The flagship model of the Macintosh power amplifier with a silver panel. It is characterized by its strong, dense 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 and stains on the exterior, and rust can be seen on the top plate and back panel (Mizusaki Ryo)
Maintenance information: 2024.6.1 maintained (transistor in driver board, LDR, capacitor deterioration, GAIN, VOL noise, meter board capacitor deterioration, power supply board capacitor deterioration, meter lamp, display lamp deterioration → replacement. Meter dismantling terminal lead wire soldering treatment, MODE SW dismantling cleaning, operation check, power stage check OK)
Accessories: power cord, copy of instruction manual
Main specifications: 500W+500W (1000W when mono) equipped with power guard circuit W483 x D465 x H263 mm 60.3 kg
Maintained! An eye-catching diamond-tone power amplifier with a rugged design. The extrusion of the mid-range is clear and the sound is slightly firm, but the sound is good, so it seems to go well with jazz and rock. There are small scratches and dents on the exterior as a whole (Mizusaki Ryo)
Maintenance information: 2024.6.1 Maintained (replacement of deteriorated transistors and capacitors in each circuit. Input volume and output relay contact correction. Electric circuit adjustment)
Accessories: copy of instruction manual
Main specifications: 2 mono construction system 100W+100W (8Ω) W425×H170×D285mm 16.5 kg
Rare amplifiers are in stock! Stereo power amplifier imported directly from Denmark. It is equipped with a B&O ICEPower200ASC that is also mounted on the JEFF ROWLAND Model 102. You can enjoy straight, high-resolution sound. The exterior has small dents, bumps, and scratches on the top plate (Mizusaki Ryo)
Maintenance information: 2024.6.1 sound output confirmed
Accessories: power cord
Main specifications: 100W+100W (8Ω) impedance 3-16Ω W215 × H60 × D350 mm 3.5 kg
The disposal price has been reduced. Member prices are not applicable. 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
Dayton Audio's small power amplifier. Designed to be just the right size for a desktop, this is one that can be loud enough for a small speaker. It also has a headphone jack, so it can also be used as a headphone amplifier. The exterior is dull. Serial V200004300 (Tamura Eiji)
Maintenance information: 2024.5.30 Operation confirmed
Accessories: AC adapter
Main specifications: 60W+60W (4Ω) W117 x H44 x D79 mm dead weight 1.23 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
115V specification A power amplifier that is supported by a heavyweight power transformer and reproduces tight low frequency reproduction with good visibility. It shows high cost performance that exceeds size and price. There are small scratches on the exterior (Hiura Katsuji)
Maintenance information: 2024.5.26 sound output confirmed
Accessories: instruction manual, power cable, original box
Main specifications: 45W+45W (8Ω) 75W+75W (4Ω) W483 × H51 × D295mm 7.5 kg
115V specification A power amplifier that is supported by a heavyweight power transformer and reproduces tight low frequency reproduction with good visibility. It shows high cost performance that exceeds size and price. There are small scratches on the exterior (Hiura Katsuji)
Maintenance information: 2024.5.26 sound output confirmed
Accessories: instruction manual, power cable, original box
Main specifications: 45W+45W (8Ω) 75W+75W (4Ω) W483 × H51 × D295mm 7.5 kg
※Since it is a commercial device, there is no problem with the as-is operation, but since there is no guarantee, it is inexpensive. The sound quality is clean, fresh, and light, and the sound is firm and crisp. The sound development is such that the image that comes to mind when using the word YAMAHA for commercial use fits perfectly. You can see a feeling of use, such as appearance, dullness, abrasions, etc. (Kobayashi Hitoshi)
Maintenance information: 2024.5.21 Operation confirmed
Accessories: copy of instruction manual, power cord
Main specifications: stereo output 105W+105W (4Ω) 100W+100W (8Ω) bridge output 210W (8Ω) frequency characteristics 20Hz-50kHz damping factor 200 input terminal XLR, phone, output terminal 5WAY binding post power consumption 150W W480 x H880 x D456mm 12 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
Maintained in 2015. 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. There is deterioration in exterior paint (Murakoshi Yoichi)
Maintenance information: 2015.9.12 maintenance completed (internal power transfer → malt plane deterioration → dismantling and reinstallation, exchange of both channel in-board bypass C, gain setting C, etc., TR check → OK, operation inspection check)
Accessories: power cord
Main specifications: output 140W+140W (8Ω) W321×H140×D238mm 12kg