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
High power amplifier using a fully balanced Class D amplifier. The high output of 300W and plenty of driving power are attractive. It reproduces PC audio with low distortion and wide range. The exterior is dull (Yonejima Satoshi)
Maintenance information: 2024.6.2 operation confirmed
Accessories: instruction manual, power cord, adapter, original box
Main specifications: 300W×2 (4Ω) 165W×2 (8Ω) W200×D155×H41mm 0,7kg
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
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 price has been reduced! 2024/4/19 sales price 79,800 yen ※1 unit only. Maintained! It is originally a professional mono amplifier, but there is only 1 unit. You can feel the strong power of the sound quality even with just one unit. It seems to be useful for mono and center speakers. There are scratches and paint peeling on the exterior. Serial Q001769 (Fujisawa Yukishi)
Maintenance information: 2024.4.19 Maintained (XLR speaker cable created (3 meters)). Electrolytic capacitor replacement. ATT cleaning. Solder correction. Rubber feet added. Bias offset check. Output audio check. Input ① GND ② HOT ③ GND (unbalanced) output ① not used ② is set to plus ③ minus 8 Ω load. (Also, a pop sound is made when the power is on and off, but this is a specification)
Accessories: speaker cable, power cable
Main specifications: 8 ohms W482.6 x H88 x D320 mm weight 13 kg