※Since the meter is defective on one side, it is inexpensive (there is a meter difference between the left and right, and the starting position is not at 0). Maintenance has been completed! The final model of Ampzilla. A representative American sound with strong, tight low frequencies! The dry, clean-sounding character is the perfect match for vintage speakers of yesteryear. This is a masterpiece machine that briskly drives famous speakers from JBL and Altec. The exterior is dull and dirty. The fuse holder has been replaced with a black one. Serial 104730 (Tamura Eiji)
Maintenance information: 2025.12.3 Maintained (replaced due to damage to the fuse holder. The meter runout is poor, and the meter switch disassembly contacts have been cleaned. (*The internal movement of the meter was poor, and the meter was disassembled, but repairs were not possible.)
2022.5.12 Maintained (fuse holder lock claw adjustment. Replace the fuse. 0 point meter adjustment Offset voltage, idling current adjustment. (Other internal inspection voice check)
Accessories: none
Main specifications: 200W+200W (8Ω) perfect balance configuration W445 × H178 × D229 mm 22.7 kg
The price has been drastically reduced. 2025/11/30 Sales price 198,000 yen Maintained! The final model of Ampzilla. A representative American sound with strong, tight low frequencies! The dry, clean-sounding character is the perfect match for vintage speakers of yesteryear. This is a masterpiece machine that briskly drives famous speakers from JBL and Altec. Externally, there are scratches, dullness, and dirt on the panel. (YONEJIMA Satoshi)
Maintenance information: 2025.11.30 Maintained (first stage Tr, servo IC, etc. mounting socket replacement. Replace the output temperature switch. Replace each coupling C and bypass C in the driver board. Check all the others. Rubber foot replacement. Operation check)
Accessories: No accessories
Main specifications: 200W+200W (8Ω) perfect balance configuration W445 × H178 × D229 mm 22.7 kg
The price has been drastically reduced! 2025/11/25 sales price 398,000 yen Maintained! The flagship model of the Macintosh power amplifier, the black version. The heavyweight frame, fresh blue meter, and large speakers drive lightly, and the rich, rich tone are just perfect. The clarity of low frequency contours is the highest among all Mackins of all time. The exterior has age, dullness, and small scratches. Serial JCS5523 (Fujisawa Yukishi)
Maintenance information: 2025.11.25 Maintained (input ATT, 10 electrolytic capacitors, lamps, ICs, and sockets replaced. Mode switch disassembly, polishing and cleaning. Card edge contact cleaning. Connector cleaning. Solder correction. Bias and offset checks. Output audio check)
Accessories: copy of instruction manual, power cord
Main specifications: 500W+500W (1000W when mono) equipped with power guard circuit W483 x D465 x H263 mm 60.3 kg
The disposal price has been reduced! (Member discounts are not applicable) 2025/11/27 sales price 118,000 yen 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. There are dullness, small scratches, etc. appropriate for the model year (Oikawa Tetsuji)
Maintenance information: 2025.9.22 maintained (CA 4PIN conversion cable (1M) installation, input terminal solder repair, main amplifier part solder repair, internal inspection and cleaning, running test)
Accessories: power cable, connection cable, copy of instruction manual
Main specifications: 45W+45W W120×H159×D324mm 8.2 kg
The disposal price has been reduced! (Member discounts are not applicable) 2025/11/29 sales price 178,000 yen AccuPhase pure A grade power amplifier. The balance is good even at low volume, and the sound like a vacuum tube amplifier is unique to pure A grade. The warm, rich tone is also a staple for the mid to high range of multiple amplifiers. Externally, there are some scratches on the front. Serial F8Y834 (Tamura Eiji)
Maintenance information: 2025.11.29 Operation confirmed
Accessories: power cable
Main specifications: pure A grade stereo amplifier, 20W+20W/8Ω, 2 input systems (1 balanced/unbalanced each), can be connected to a bridge, W475 x H170 x D426 mm, 22.6 kg
The disposal price has been reduced. Member discounts are not applicable. 2025/11/24 sales price 448,000 yen A stereo power amplifier with a traditional dual mono configuration. The overwhelming driving power and precise sound are attractive. You can enjoy the strong driving power that allows even a 38cm woofer to brake well, and the hot sound unique to Levinson of this era. You can see a feeling of use, such as appearance, dullness, abrasions, small scratches, etc. (Kobayashi Hitoshi)
Maintenance information: 2025.11.24 Operation confirmed
Accessories: Remo pin x 2, balance short pin x 2, copy of instruction manual, power cord
Main specifications: stereo power amplifier, dual mono configuration, 200W+200W (8Ω), 800W (8Ω, when connected to a bridge), input impedance 50kΩ, W483 x H210 x D450mm, 40 kg
The price has been drastically reduced. 2025/11/27 Sales price 118,000 yen 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 51928 (Takasaki Atsushi)
Maintenance information: 2025.11.26 Maintained (block condenser liquid leak → replaced with a replacement product because the original is not available, Lch board liquid leak scattering pattern leak → cleaning, resistance burn replacement. (Other C, R, TR check status OK, operation check)
2024.3.22 Maintained (internal all checks, Tr, C, R co-operation check*INPUT modification available, AC code created for cable creation)
Accessories: power cord, instruction manual (copy)
Main specifications: 45W+45W W120×H159×D324mm 8.2 kg
*Currently sold. A power amplifier optimized for BOSE101 speakers. It comes with an equalizer position for 101 to match frequency characteristics. It is a compact and easy to use car. You can see a feeling of use, such as appearance, dullness, abrasions, etc. (Kobayashi Hitoshi)
Maintenance information: 2025.11.26 Operation confirmed
Accessories: none
Main specifications: 20W+20W (4Ω) input stereo 1 system output stereo 1 system W218 × H60 × D157 mm 2.6 kg
The disposal price has been reduced! (Member prices are not applicable) 2025/11/21 sales price 178,000 yen Maintained! with cabinet! Second generation model of the famous P-300 series. The sharp, sharp, and exhilarating sound is alive and well. It also goes well with JBL, etc., and makes a powerful sound. You can enjoy rough sounds that cannot be experienced with current products. The exterior is scratched, dull, etc., and has a feeling of use over time. Serial 19x540 (Jun Tamai)
Maintenance information: 2025.11.20 Maintained (SUBSONIC switch disassembly contact polishing and other switches, volume, disassembly contact polishing as much as possible, replacement transistor deterioration due to film capacitor deterioration in each circuit, replacement, tubular capacitor deterioration replacement, 2 meter lamps, disconnection, all replacements, comprehensive adjustments.)
Accessories: instruction manual power cable
Main specifications: 150W+150W (8Ω) W445×H160×D355mm 25kg
The disposal price has been reduced. Member discounts are not applicable. 2025/11/25 sales price 150,000 yen 2025/2 maintenance completed! WEST RIVER power amplifier. The input sensitivity is low, but it plays vocals and strings comfortably in a pretty nice mid-high range with a luster like a vacuum tube amplifier. You can see the exterior, dullness, and feeling of use (Kobayashi Hitoshi)
Maintenance information: 2025.2.19 maintenance completed (power switch replacement (S-6B → replacement S-6A) volume and knob reposition, missing screw addition bias and output sound check)
Accessories: power cable
Main specifications: 50W+50W high negative feedback amplifier W400×H215×D270 mm 12.8 kg
Maintenance has been completed, including the replacement of 24 capacitors that were worn out in 2014! An early JBL transistor amplifier in the 1960s. Since it is assumed that it will be built into a speaker enclosure, this model originally has no exterior parts. A glossy sound close to that of a vacuum tube using a germanium transistor. The texture is also fine, silky, and doesn't make you feel rough. It works great with old JBL speakers such as Lancer and Harkness. Dullness and scarring (Sasaki Shota)
Maintenance information: 2025.11.30 Maintained (check, Ach noise. Level fluctuation → first stage drive stage TR noise → replacement, input c, r board pattern dirt, contact instability → cleaning, other c, etc. replaced) 2015.6.25 maintained (heat dissipation silicon sheet replacement. Various inspections and adjustments. Check input/output waveforms. (Check the sound output)
2014.3.12 Maintained (VR contact cleaning, RCA terminal replacement, capacitor installation, baking creation, 24 electrolytic capacitors replaced, offset/idle current inspection, sound output test OK)
Main specifications: 40W+40W with attenuator approx. W385 x H115 x D192 mm approx. 7.0 kg
Comes with original box Mackin's super-dreadnought stereo power amplifier. The strong power of 600W+600W, the sound emitted from its imposing appearance is such that you can feel the pressure. It is a power amplifier compatible with everything from JBL of yesteryear to modern high-end speakers. The exterior is generally good (Oikawa Tetsuji)
Maintenance information: 2025.11.29 Operation confirmed
Accessories: instruction manual, power cable, original box
Main specifications: rated output 600W+600W (2Ω, 4Ω, 8Ω) W445 × H310 × D537 mm 69.8 kg
Maintained! The flagship model of the Macintosh power amplifier, the black version. The heavyweight frame, fresh blue meter, and large speakers drive lightly, and the rich, rich tone are just perfect. The clarity of low frequency contours is the highest among all Mackins of all time. The exterior has dirt scratches, etc. Serial JCS4855 (Tamura Eiji)
Maintenance information: 2025.11.28 Maintained (cleaned due to power supply board pattern leak. Replace the input ATT, lamp, and ground spring. Mode switch disassembly polishing cleaning protective agent application. Card edge contact and connector cleaning. Solder correction. Bias and offset checks. I checked the output sound. (*Electrolytic capacitors have been replaced)
Accessories: power cable
Main specifications: 500W+500W (1000W when mono) equipped with power guard circuit W483 x D465 x H263 mm 60.3 kg
Maintenance has been completed, including 32 capacitors and 20 resistors replaced! An attractive A-class power amplifier with a powerful, thick sound. The sense of energy that makes even large speakers sound is a product close to the mid to low range, which is in contrast to modern models. It's unique to the heyday of audio with thickness, scale, and room. The exterior has scratches, dullness, scuffs, etc. appropriate for the model year (Mizusaki Ryo)
Maintenance information: 2025.11.22 Maintained (resistor, electrolysis, film capacitor (fluctuation of ± 20% or more), semi-fixed resistor replacement. Disassemble and clean the switch and volume. (The panel and housing were cleaned, each part was readjusted, and aging tested)
Accessories: instruction manual
Main Specifications: Real Bias Circuit Class A Operation 250W+250W (8Ω) 300W+300W (6Ω) Dimensions W488 x H199 x D480 mm Weight 30 kg
The disposal price has been reduced! (Member discounts are not applicable) 2025/11/19 sales price 128,000 yen Maintained! RCA and VOL have been added, so it's easy to use. The exterior is painted black. Quad power amplifier Despite its compact body, you can enjoy a smooth, thick sound. It really goes well with speakers made in England, and makes you listen to 70s analog sound with a sense of dynamism. The exterior is dull and has small scratches over time. Serial 8508 (Yonejima Satoshi)
Maintenance information: 2025.11.19 Maintained (internal all inspection → Lch power stage Tr, gain setting C, INPUT VOL replacement. DIN SP rewiring, first drive IC OP AMP replacement)
Accessories: power cord
Main specifications: 100W+100W frequency characteristics 20 to 20 kHz dimensions W341 x H115 x D195 mm weight 9 kg
The disposal price has been reduced! Member prices are not applicable. 2025/11/18 Sales price 128,000 yen Maintained! Quad power amplifier Although it is a compact body, you can enjoy the sound with a thick core. In particular, it makes me listen to 70s analog sounds with a sense of dynamism. There is dullness, scratches, and paint peeling (Asaine Tomoho)
Maintenance information: 2025.11.18 maintained (internal check pattern repair piece ch check) 2025.7.4 maintained (internal double channel dismantling TN check → OK. DC cut C, gain setting C, etc. exchange ~ operation check)
Accessories: power cable, connection cable
Main specifications: 100W+100W frequency characteristics 20 to 20 kHz dimensions W341 x H115 x D195 mm weight 9 kg
The disposal price has been reduced! (Member prices are not applicable) 2025/11/18 sales price 128,000 yen Maintained! The QUAD405 is full of appeal and makes you listen to the whole picture of the music in a tasteful way. Along with feedforward operation, the high quality, which smoothly transitions to A class operation at low levels and B class operation when the level rises, is also worth listening to. There are scratches, scuffs, and dullness on the exterior. Serial 4546 (Jun Tamai)
Maintenance information: 2025.10.12 Maintained (INPUT connector VOL lead resoldering process check)
2025.7.2 Maintained (internal all dismantling checks, Tr, C, R checks, operation checks, rubber, etc.)
2016.12.23 Maintained (Vol replacement, Rch power, Tr replacement, capacitor resistor replacement (both channels) operation check)
Accessories: Connection cord, power cord, copy of instruction manual
Main specifications: 100W+100W (8Ω) dimensions W341 x H115 x D195 mm weight 9 kg
Maintained! The Macintosh 7000 series stereo power amplifier was announced to coincide with the advent of the CD era. It seems to be the core model at the time, and it drives a large speaker with unique sweet and sticky sound quality, and the thick and gorgeous sound typical of the company is attractive. The exterior has a feeling of use such as dullness and small scratches. Serial JFA8923 (Tomonori Asaine)
Maintenance information: 2025.11.21 maintained (power SW replacement, power stage Tr check, each SW, VOL, connector cleaning, operation check)
Accessories: copy of instruction manual
Main specifications: 270W+270W power guard circuit equipped with frequency characteristics 20 to 20 kHz damping factor 30 W 410 x H195 x D400 mm 37.2 kg
The disposal price has been reduced. Member discounts are not applicable. 2025/8/31 sales price 128,000 yen 2023/10 maintenance completed. Quad power amplifier. Despite its compact body, you can enjoy a smooth, thick sound. It really goes well with speakers made in England, and makes you listen to 70s analog sound with a sense of dynamism. You can see a feeling of use, such as appearance, dullness, abrasions, etc. (Kobayashi Hitoshi)
Maintenance information: 2023.10.13 maintenance completed (internal parts dismantling check, power Tr, driver Tr, etc., etc. C, R, etc. can all be checked. Burn correction due to partial heat generation on both channel board patterns. The RCA terminal, input volume installation (expansion), Din terminal, SP terminal, and block capacitor have been replaced. (The input/output waveform was checked, left and right balance checked, load tests, and comprehensive operation tests were performed to confirm normal operation.)
Accessories: power cable, instruction manual (copy)
Main specifications: 100W+100W frequency characteristics 20 to 20 kHz dimensions W341 x H115 x D195 mm weight 9 kg
The disposal price has been reduced (member prices are not applicable) 2025/10/20 sales price 498,000 yen Maintenance has been completed. Genuine Electri 100V specification, black model. Macintosh's high-power amplifier with stereo output and 600W on one channel. Balanced inputs are also supported, and connections to high-end class balanced amplifiers are also being considered. It is characterized by a sound with plenty of room to resonate loudly rather than being as powerful as if power was pushed to the front. There is a dull and small wound (Sasaki Shota)
Maintenance information: 2025.10.20 Maintained (meter lamp off → replaced. C deterioration in the driver board → replacement. Power stage transistor check OK. Partial pattern corrosion → correction. GAIN VOL, MODESW cleaning, operation check)
Accessories: copy of the manual. power cable
Main specifications: 600W+600W (stereo) 1200W (mono) W483 x H267 x D457 mm 59 kg
The disposal price has been reduced. Member discounts are not applicable. 2025/11/8 sales price 128,000 yen Maintained! Quad power amplifier Despite its compact body, you can enjoy a smooth, thick sound. It really goes well with speakers made in England, and makes you listen to 70s analog sound with a sense of dynamism. The exterior has a feeling of use such as dullness. Serial 57794 (Murakoshi Yoichi)
Maintenance information: 2025.11.7 Maintained (fuse replaced. Internal transistors, capacitors, resistance values, input/output waveforms, left and right balance checks, load tests, and comprehensive operation tests. Load test (1kHz sine wave, at 8Ω load: 100W+100W), sound output test. Running test 10H) 2018.5.24 maintenance completed (internal dismantling all checks, half-short leak replacement between power stages Tr x 1E-C, replacement of servo drop resistance defects in both other driver boards, operation check)
Accessories: power cord, instruction manual (copy)
Main specifications: 100W+100W frequency characteristics 20 to 20 kHz dimensions W341 x H115 x D195 mm weight 9 kg
The disposal price has been reduced. Member discounts are not applicable. 2025/8/1 sales price 59,800 yen ※A trance growl will occur, but this cannot be corrected. Maintenance completed in 2019. Dinaco's transistor stereo power amplifier was developed by applying technology obtained with tubular amplifiers to semiconductor circuits. It is a sound that allows you to broadly enjoy the atmosphere without requiring precise expression of sound. There is a feeling of use (Murakoshi Yoichi)
Maintenance information: 2019.8.9 maintained (internal dismantling check, LCH power stage TR/constant voltage TR characteristics defective/circuit board coupling C interruption/capacity loss → replacement, operation check OK)
Main specifications: 60W+60W W330 x H104 x D260 mm 8 kg
Maintained! The Macintosh 7000 series stereo power amplifier was announced to coincide with the advent of the CD era. It seems to be the core model at the time, and it drives a large speaker with unique sweet and sticky sound quality, and the thick and gorgeous sound typical of the company is attractive. Exterior The top plate and knobs are dirty, and there is a feeling of use. Serial EK3998 (Murakoshi Yoichi)
Maintenance information: 2025.10.27 maintenance completed (GAIN VOL dismantling and cleaning, meter display lamp replacement, meter display lamp replacement, power, meter SW internal crack → reinforcement correction, power stage Tr to C, R, Tr, etc. in the driver board OK, power supply board C deterioration replacement, operation check, partial panel peeling correction)
Accessories: instruction manual (copy)
Main specifications: 270W+270W power guard circuit equipped with frequency characteristics 20 to 20 kHz damping factor 30 W 410 x H195 x D400 mm 37.2 kg
The disposal price has been reduced. Member prices are not applicable. 2025/7/12 sales price 128,000 yen Maintained! Quad power amplifier Despite its compact body, you can enjoy a smooth, thick sound. It really goes well with speakers made in England, and makes you listen to 70s analog sound with a sense of dynamism. There is dullness and small scratches (Sasaki Shota)
Maintenance information: 2025.7.12 Maintained (drive transistor (BD244 x 4), power transistor (MJ15024G x 1), and original differential op amp (TL071 x 2) parts were replaced. The connection cord and power cord have been attached.
Input/output waveform confirmation, left and right sound pressure level checks, load tests, and comprehensive operation tests were performed to confirm normal operation) 2025.6.9 maintained (there is a pattern short in the board, poor output board mounting, capacitor deterioration, block C lead wire soldering, driver transistor deterioration, operation check)
2024.8.6 Maintained (all internal parts checked, LCH power stage TR x 1 half short NG replacement, DC cut C replacement within the board, replacement of bottom cover rubber foot defects, operation check)
Accessories: copy of manual, power cable, connection cable
Main specifications: 100W+100W frequency characteristics 20 to 20 kHz dimensions W341 x H115 x D195 mm weight 9 kg
The disposal price has been reduced. Member discounts are not applicable. 2025/7/5 sales price 128,000 yen Maintenance has been completed, such as replacement of deteriorated capacitors and transistors. Quad power amplifier. Despite its compact body, you can enjoy a smooth, thick sound. It really goes well with speakers made in England, and makes you listen to 70s analog sound with a sense of dynamism. Exterior, paint deterioration, dullness, rust, scuffs, etc. can be seen (Kobayashi Hitoshi)
Maintenance information: 2025.7.5 maintenance completed (block C, VOL, rubber feet, power stage Tr, C and R replacement in the board. Input cable creation (DIN4P-RCA female) operation check)
Accessories: instruction manual, power cable, connection cable
Main specifications: 100W+100W frequency characteristics 20 to 20 kHz dimensions W341 x H115 x D195 mm weight 9 kg