※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 is no problem with operation, but it is currently sold because it is cheap. Sony ES series power amplifier using a G chassis. It's an easy-to-use model with an unobtrusive tone, and it makes you feel the power of the low frequencies. It has 2 input systems with volume, and in addition, it is also attractive that it can be used in mono, so it is versatile. In addition to the exterior, no side panels, and a sticky mark on the back, you can see a feeling of use such as dullness, abrasions, etc. (Kobayashi Hitoshi)
Maintenance information: 2024.6.3 operation confirmed
Accessories: instruction manual
Main specifications: 110W+110W (8Ω), 300W (BTL 8Ω) W470 x H150 x D365 mm 13.2 kg
※There is no problem with operation, but it is currently sold because it is cheap. Sony ES series power amplifier using a G chassis. It's an easy-to-use model with an unobtrusive tone, and it makes you feel the power of the low frequencies. It has 2 input systems with volume, and in addition, it is also attractive that it can be used in mono, so it is versatile. In addition to the exterior, no side panels, and a sticky mark on the back, you can see a feeling of use such as dullness, abrasions, etc. (Kobayashi Hitoshi)
Maintenance information: 2024.6.3 operation confirmed
Accessories: instruction manual
Main specifications: 110W+110W (8Ω), 300W (BTL 8Ω) W470 x H150 x D365 mm 13.2 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
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. Serial 2172380ZGD00103 (Fujisawa Yukishi)
Maintenance information: 2024.6.2 operation confirmed
Accessories: power cord
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
Maintained! An attractive power amplifier with rich, powerful sound quality that is a bit different from modern Accuphase. The outstanding sound quality with excellent driving feel goes great with 70's JBL speakers. The sound quality is comparable to that of the advanced 300 series. Serial B6Y617 (Fujisawa Yukishi)
Maintenance information: 2024.6.4 Maintained (transistors, electrolytic capacitors, semi-fixed VR, resistors, etc. replaced. Solder correction. SP switch polishing cleaning. Card edge contact cleaning. Increase and tighten the output elements. Bias and offset check adjustments. Output audio check)
Accessories: instruction manual, power cable
Main specifications: 100W+100W (8Ω) output 3 systems input 2 systems (REAR/FRONT) speaker damping switching system (NORMAL/20, MEDIUM/5, SOFT/1) Dimensions W445 x H165 x D355 mm Weight 19.5 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 disposal price has been reduced. Member prices are not applicable. 2024/5/30 sales price 398,000 yen ※It is cheap because there are many scratches. Maintained by Taiyo International. This time it comes with a special battery BPS-2. Geoff Roland's peak stereo power amplifier. Genuine Oba Shoji product. A thorough non-resonance design using the company's traditional hard aluminum material. The high range with a sense of transparency and sharpness, the mid and low range with a sense of speed and driving power, and a vivid and satisfying sound are attractive. The exterior has scratches, line scratches, and dirt marks (Ryo Mizusaki)
Maintenance information: 2024.5.2 manufacturer maintained (BPS-2: internal cleaning, battery replacement, inspection of various parts, operation inspection. (Model2: Inspection of each part, characteristic inspection, running test)
Accessories: power cord, connection cable
Main specifications: 75W+75W (8Ω) GAIN26/32dB with changeover switch, input impedance with HIGH/LOW changeover switch, input impedance switching W445 × H133 × D362mm 21kg BPS-2: W445 × H133 × D362 mm weight 22 kg
The disposal price has been reduced. Member prices are not applicable. 2024/3/7 sales price 128,000 yen Maintained! A crisp, bright, and sharp sound typical of Marantz from the 1970s. Exactly, it's an American sound on the west coast. The design is also a simple design typical of US Marantz. ※The leg is out of stock. The exterior has dullness and small scratches. Serial 4180 (Yonejima Satoshi)
Maintenance information: 2024.3.7 Maintained (single CH power stage transistor replacement. Screwdriver transistor resistor replacement. Drive Tr Capacitor Replacement Contact polishing, aging test)
Accessories: No accessories
Main specifications: 125W+125W (8Ω) W445 × H170 × D265 mm 14.8 kg
Maintained! A power amplifier from the USA Marantz era. The compact yet powerful American sound is attractive. It works great with speakers that make a lot of noise, such as JBL, and you can enjoy an exciting sound that is clear. Exterior, paint deterioration, dullness, abrasions, etc. can be seen (Kobayashi Hitoshi)
Maintenance information: 2024.6.4 maintenance (lamp replacement (replacement), power stage Tr check, C replacement, DC offset, bias adjustment, relay contact cleaning, operation check)
Accessories: none
Main specifications: 80W+80W (8Ω) damping factor 30 (8Ω) power meter (sensitivity can be switched in 3 levels) mounted dimensions W358 x H120 x D273 mm weight 11 kg