*Currently sold. It's an inexpensive yet powerful amplifier. The model, which combines stable operation and abundant power, has a good sense of dynamism in the sound, and it feels like it comes to the fore. The input is equipped with an unbalanced RCA pin and a balanced TRS phone. You can see a feeling of use on the exterior, marks, dullness, abrasions, etc. (Kobayashi Hitoshi)
Maintenance information: 2024.4.26 Operation confirmed
Accessories: power cable
Main specifications: 45W+45W (8Ω) bridge output 150W (8Ω) W480 × H99 × D260 mm 6.8 kg
*Currently sold. There is a gap in the right VOL, which is the current situation. It's an inexpensive yet powerful amplifier. The model, which combines stable operation and abundant power, has a good sense of dynamism in the sound, and it feels like it comes to the fore. The input is equipped with an unbalanced RCA pin and a balanced TRS phone. A feeling of use can be seen on the exterior, marks, dullness, small scratches, abrasions, etc. (Kobayashi Hitoshi)
Maintenance information: 2024.4.26 Operation confirmed
Accessories: power cable
Main specifications: 45W+45W (8Ω) bridge output 150W (8Ω) W480 × H99 × D260 mm 6.8 kg
※It has a cigarette smell, so it's cheap. Currently sold. 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 scratches on the exterior. Serial 217380XCK00185 (Tamura Eiji)
Maintenance information: 2024.4.16 Operation confirmed
Accessories: none
Main specifications: 45W+45W (8Ω) 75W+75W (4Ω) W483 × H51 × D295mm 7.5 kg
※It has a cigarette smell, so it's cheap. Currently sold. 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 scratches on the exterior. Serial 2172380XCK00186 (Tamura Eiji)
Maintenance information: 2024.4.16 Operation confirmed
Accessories: none
Main specifications: 45W+45W (8Ω) 75W+75W (4Ω) W483 × H51 × D295mm 7.5 kg
*Currently sold. 120V specification. CROWN commercial power amplifier. It features driving power unique to professional use that lifts straight. The high braking power at high volume fully demonstrates the quality of a professional device. The exterior is dull. *There are no fixing brackets for mounting racks. Also, the AC plug has been replaced. Serial 8001294201 (Tamura Eiji)
Maintenance information: 2024.4.11 operation confirmed
Accessories: none
Main specifications: output 25W+25W (8Ω) 120V specification natural air cooling method W483 × H45 × D213 mm 4.5 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
※It has a cigarette smell, so it's cheap. Since it is 120V specification for commercial use, it will be handed over as is. A compact commercial power amplifier that is highly regarded as a professional studio monitor amplifier. The driving power that cannot be imagined from its size is truly the real thrill of a professional aircraft. The range is reasonable, but it is characterized by a sound image that does not lose sound even at high volumes. There are scratches on the exterior. Serial 8001337592 (Tamura Eiji)
Maintenance information: 2024.4.16 Operation confirmed
Accessories: none
Main specifications: 40W+40W (8Ω) W483 x H44.5 x D213 mm 4.5 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
The disposal price has been reduced. Member discounts are not applicable. 2023/6/12 sales price 49,800 yen ※1 mono amplifier only. The display lamp visible through the lattice is a transistor mono power amplifier with an indescribable design. As for the sound quality, it is a powerful sound with a sense of overhang while making you feel thick, and the low frequencies are not sluggish, making you listen to a pleasant sound. The exterior is dull all over, scratches on the top plate, etc., and there is a feeling of use (Kobayashi Hitoshi)
Maintenance information: 2023.6.13 Maintained (output relay contact correction input volume disassembly contact correction protection circuit transistor replacement input terminal polish)
Accessories: none
Main specifications: effective output 150 W, input level adjustment, SNR 110 dB, dimensions W436 x H95 x D328 mm, weight 11.5 kg/1 unit
The disposal price has been reduced! (Member discounts are not applicable) 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 (LED installation (original not available) poor power stage transistor deterioration, defective transistor in the board → replacement. Bias adjustment, operation check.)
Accessories: none
Main specifications: size (actual measurement) W406 x H155 x D327 mm weight (actual measurement) 12.2 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 discounts are not applicable) 2024/3/12 sales price 69,800 yen Maintained! A slightly unusual Crown consumer power amplifier. It is thin and rack-mountable. A lot of straight sounds are alive and well. It is also suitable as a separate introductory machine. The exterior is dark and has small scratches (Oikawa Tetsuji)
Maintenance information: 2024.3.12 Maintained (volume volume noise was confirmed, so custom-made volume left and right were replaced, (click sound will disappear due to replacement of custom-made product) Running test with other sounds)
Accessories: none
Main specifications: 50W+50W (8Ω) W480 x H40 x D320 mm 7.5 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
The price has been drastically reduced! 2024/4/29 sales price 69,800 yen ※Currently sold. JBL/UREI professional power amplifier Dynamic sound with clear contours and momentum. The driving power that makes it easy to drive even large speakers at a high volume is attractive. It can also be used as mono power by connecting to a bridge. Serial 09750 (Asaine Tomoho)
Maintenance information: 2024.4.29 Operation confirmed
2020.10.29 Maintenance (internal capacitor, resistor, transistor check, operation check, bias adjustment, SP mute relay internal contact polishing)
Accessories: Copy of instruction manual (English)
Main specifications: 150W+150W (8Ω) 300W+300W (4Ω) input 2 systems (phone/XLR) W483 x H180 x D260 mm approx. 20 kg