※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. The exterior has scratches and paint bald spots. Serial Q001769 (Fujisawa Yukishi)
Maintenance information: 2024.4.19 Maintained (XLR speaker cable created (3 meters), electrolytic capacitor replaced, cleaned due to ATT stiffness, solder corrected, rubber foot added due to missing rubber feet, bias offset check, output sound 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 popping sound is made when the power is on and off, which is a specification.)
Accessories: speaker cable, power cable
Main specifications: 8 ohms W482.6 x H88 x D320 mm weight 13 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. As for the exterior, there are scratches and scuffs on the top plate. Serial 000913 (Fujisawa Yukishi)
Maintenance information: 2024.4.19 Operation confirmed
Accessories: power cord
Main specifications: 100W+100W (8Ω) impedance 3-16Ω W215 × H60 × D350 mm 3.5 kg
The price has been reduced! 2023/4/16 sales price 668,000 yen pure A grade stereo power amplifier. Precise sound particles overlap over and over to create a thick sound. It is an amplifier where you can catch a glimpse of the essence of Accuphase, which is close to the core of music by thoroughly refining physical characteristics. Not only is the sense of power and powerful bass, but the contoured, stretchy mid-to-high range is still appealing. There are scratches and scratches on the exterior. Serial F4Y151 (Fujisawa Yukishi)
Maintenance information: 2024.4.16 Operation confirmed
Accessories: instruction manual, power cord (general purpose)
Main specifications: A grade 60W+60W (8 ohms) dimensions W465 x H238 x D545 mm weight 45.1 kg
The price has been reduced! 2024/4/13 sales price 79,800 yen Maintained! Audionics of Oregon power amplifier RF regular, 117V specification In Japan, it is an American manufacturer imported by R.F. Enterprises under the name Audio of Oregon. A thick, low center of gravity sound with a punchy sound. It is an American sound suitable for jazz and rock. It can also be used as a mono power amplifier. There are exterior, dullness, small scratches, scratches on the top plate, etc. ※The plug has been changed. (YONEJIMA Satoshi)
Maintenance information: 2024.4.13 Maintained (main amplifier circuit resistor replacement. Idling current misalignment adjustment. (Distortion level check)
Accessories: No accessories
Main specifications: 170W+170W (2Ω) 120W+120W (4Ω) 70W+70W (8Ω) 225W (8Ω, when connected to BTL) AC117V 50Hz/60Hz dimensions W483 × H89 × D216 mm weight 7.7 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! The flagship model of the Macintosh power amplifier with a silver panel. It is characterized by its rich 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, dullness, and discoloration in places (Kojima Yosuke)
Maintenance information: 2024.4.18 Maintained (1 power transistor, 1 driver transistor replaced, other bias transistors replaced, 14 in-board transistors replaced, 26 capacitors replaced, gain VOL both channels replaced. Mode switch SW dismantling and cleaning, meter lamp check, display lamp replacement. Caulk and clean each connector. (Pattern re-soldered, DC offset, bias adjusted)
Accessories: power cable
Main specifications: 500W+500W (1000W when mono) equipped with power guard circuit W483 x D465 x H263 mm 60.3 kg
※Since it is a commercial device, it will be handed over as is. It's a very powerful sound unique to professional machines, and it pushes the sound forward and forward. Recommended for jazz and rock fans with large woofers. The exterior has scratches, bumps, etc. Serial JP01026 (Tamura Eiji)
Maintenance information: 2024.4.18 Operation confirmed
Accessories: none
Main specifications: 240W+240W (8Ω) 480W (16Ω MONO) with peak output meter W480 × D413 × H183 mm 20.5 kg
※It has a cigarette smell, so it's cheap. An acoustic reality digital mono power amplifier known to those in the know. It has incredible high power from the start, and it makes speakers that are difficult to sound loud. Please enjoy the detailed and delicate sound that can only be enjoyed with this one. There are threads and line marks on the exterior (Tamura Eiji)
Maintenance information: 2024.4.18 Maintained (power display LED reinstalled, input changeover switch replaced, abrasive removed. I checked the output sound. *This model has a balanced output configuration. The negative side of the speaker terminal is not ground (sound is also produced on the negative side), please do not share it or connect it to GND.)
Accessories: power cable
Main specifications: 600W+600W (8Ω) W215 x H70 x 370 mm weight 3.4 kg/unit
※Since it is cheap, it will be handed over as is. Ishino Lab's Master Series power amplifier designed by Mr. Hirano. A class amplifier equipped with a matching transformer. It has a compact design and seems to be easy to use. The exterior is dull (Tamura Eiji)
Maintenance information: 2024.4.17 operation confirmed
Accessories: instruction manual, power cable
Main specifications: 1W+1W (8Ω) 4-8Ω 20-20khz W250 × H85 × D263mm weight 3.0 kg
The disposal price has been reduced! (Member discounts are not applicable) 2023/5/13 sales price 69,800 yen ※This is not a DC amplifier, so please connect the speaker cable before turning on the power when making sound. Maintained! 120V specification Dinaco's transistor stereo power amplifier was developed by utilizing technology obtained with tubular amplifiers in semiconductor circuits. You can enjoy intense, dynamic expression without requiring precise sound expression. You can see the exterior, dullness, corrosion, etc. depending on the age (Kobayashi Hitoshi)
Maintenance information: 2023.5.13 Maintained (power SW dismantling contact cleaning) 2022.8.26 Maintained (bypass C replaced. Replace the power stage with a Tr pair. Internal cleaning, operation check. Waveform clip at AC100V. (120V → OK)
Accessories: none
Accessories: none
Main specifications: 60W+60W W330 x H104 x D260 mm 8 kg
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
※It has a cigarette smell, so it's cheap. Yamaha commercial power amplifier. This is an easy rim-sized Yamaha commercial amplifier. The overall output is flat with elegant sound quality. There are dirt and scratches on the exterior. Serial 11505 (Tamura Eiji)
Maintenance information: 2024.4.17 operation confirmed
Accessories: none
Main specifications: 45W+45W (8Ω) left and right independent variable volume S/N ratio 110dB W480 x H94 x D338 mm
Maintained! An attractive power amplifier with rich bass, clear treble, and deep sound. Equipped with Technics's unique New Class A circuit, it enables efficient Class A operation, and you can enjoy powerful sound with plenty of driving power. There are scratches on the exterior and front panel, and there is also dullness and a feeling of use (Kobayashi Hitoshi)
Maintenance information: 2024.4.17 maintenance completed (speaker relay replacement, inspection of each board, partial solder repair, DC balance, idling adjustment, sound output confirmation test)
Accessories: none
Main specifications: effective output 150W+150W (8Ω) output bandwidth 5Hz to 100000 Hz SNR 123dB damping factor 100 (8Ω) output meter indication range -60dB to +5dB power consumption 300W dimensions W430 × H178 × D416 mm weight 18.4 kg
※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
※It has a cigarette smell, so it's cheap. Currently sold. 115V specification A German stereo power amplifier with resolution and expressiveness not typical of commercial use. It is proud of its exhilarating sound and outstanding driving power that comes out quickly. The exterior has scratches and paint bald spots. Serial 2172380UGD01107 (Tamura Eiji)
Maintenance information: 2024.4.16 Operation confirmed
Accessories: none
Main specifications: 85W+85W (8Ω) 150W+150W (4Ω) W483 x H88 x D270 mm 11.5 kg