*This is a commercial device and will be sold as is. Crest Audio's CC series mid-range model. The bold and sharp sound unique to business machines, which control large speakers at will with overwhelming driving power and high damping, is attractive. You can see a feeling of use such as appearance, dullness, scratches, etc. (Kobayashi Hitoshi)
Maintenance information: 2026.4.22 sound output confirmed
Accessories: none
Main specifications: 560W+560W (8Ω) damping factor 500 frequency characteristics 20Hz to 20kHz W483 × H89 × D400 mm approx. 13 kg (actual measurement)
The price has been drastically reduced. 2026/5/1 sales price 348,000 yen Maintained! Stereo power amplifiers appeared in the early days of transistors. Equipped with a 60W+60W output, it is one that adds a sense of scale and leeway to a straight tone similar to the SE400. There are scratches and dullness on the exterior. Serial 9320 (Tomoho Asaine)
Maintenance information: 2026.5.1 maintained (internal all check, capacitor in power supply, diode x 1, Rch driver Tr replacement, DC offset VOL contact dismantling and polishing operation check)
Accessories: power cord
Main specifications: output bandwidth 3 to 20,000 Hz, 90 dB, power supply, 100 V, 50/60 Hz, power consumption, 200 W, output 60 W+60 W, W385 x H125 x D93 mm
Accuphase pure Class A 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. There are some scratches etc. on the front. Serial H5Y290 (Fujisawa Yukishi)
Maintenance information: 2026.5.1 operation confirmed
Accessories: instruction manual, power cord
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 price has been drastically reduced! 2026/5/2 sales price 698,000 yen Maintained! A mono power amplifier with a fully balanced design worthy of being called the culmination of TRIGON. The two completely independent amplifiers inside control the movement of the speaker unit's diaphragm with independent power amplifiers for an astonishing response.*Since BTL amplifiers also emit a signal on the negative side of the speaker terminal, please do not share the negative side. The exterior has dullness and small scratches. Serial 2129, 2130 (Fujisawa Yukishi)
Maintenance information: 2026.5.2 Maintained (push switch replacement (both units) created due to insulator damage. Fixed because the ribbon cable clamp came off. Loosen the screws and tighten them. Bias and offset checks. I checked the output sound. *This model has a BTL configuration. There is also an audio output on the negative side of the speaker terminal. (Please do not ground or share the negative terminal)
Accessories: power cord
Main specifications: maximum output 650 W (4 ohms), 400 W (8 ohm) input RCA x 1, XLR x 1 output XLR (line output for bi-amp) input impedance 47 kΩ playback frequency band 0.5 Hz to 250 kHz W299 x H170 x D464 mm weight 23.9 kg
The disposal price has been reduced. Member discounts are not applicable. 2026/4/25 sales price 398,000 yen Maintenance completed. A heavyweight power amplifier with a threshold. It has solid momentum and strength, and it drives well even large speakers. This is one car where you can enjoy the thickness, richness, and airiness unique to this age. You can see a feeling of use, such as appearance, dullness, abrasions, etc. (Kobayashi Hitoshi)
Maintenance information: 2026.3.7 Maintained (power supply unit smoothing capacitor replacement. Control resistor replacement. Semi-fixed VR exchange. Acrylic board adhesion correction. Bias and offset checks. Output audio check. (*Since there is no mute mechanism, there is a slight pop sound when the power is turned on, but this is a specification)
Accessories: none
Main specifications: effective output 200W+200W (20 to 20,000 Hz, 8 ohm, both channel drive) harmonic distortion ratio 0.1% (at rated output) mixed modulation distortion ratio 0.1% (at rated output) output bandwidth 20 to 20,000 Hz±0 dB (at rated output) frequency characteristics 2 to 200,000 Hz+0-3dB damping factor 1000 (20 Hz) 200 (20 kHz) residual noise 2 mV power consumption 300 W (no signal) power supply AC 105 V 50/60 Hz W483 x H230 x D427mm 41 kg (including packaging)
The disposal price has been reduced (member discount does not apply). 2026/4/16 sales price 218,000 yen 12 capacitors have been replaced, attenuators and switches have been disassembled and polished and maintained! Pure A grade power amplifier by Luxman et al. Please enjoy the thick sound quality, which combines softness and strength. Mono drive with BTL connection is also possible. Dullness, there are small dents (Daiki Goto)
Maintenance information: 2026.4.16 Maintained (input attenuator, changeover switch, rear panel changeover switch disassembly contact polishing. Left and right pre-drive circuit adjustment volume, 2 capacitors, 12 capacitors, deterioration replacement. Replace 2 idling current adjustment volumes in the power amplifier section. Bad output relay contact replacement. Digital meter level adjustment All soldering on each circuit board has been fixed. (When input is balanced, the entire input volume does not pass through, so it becomes MAX)
Accessories: copy of the manual
Main specifications: stereo output 55 W+55 W (8 ohms) pure A grade operation, mono output, 220 W (balanced input), frequency characteristics, 5 Hz to 300 kHz, direct reading type level indicator, W444 x H211 x D417 mm, 22 kg
Maintained during AccuPhase! Accuphase power amplifiers are manufactured with particular attention to the parts used, such as elements. The firm low frequencies and sharp, stretchy mid-high frequencies are attractive, and the exterior is dull. Serial I0Y120 (Fujisawa Yukishi)
Maintenance information: 2026.5.5 manufacturer maintained (meter lamp/logo lamp replaced due to stress deterioration. Other deteriorated parts were replaced. Safety check, pressure resistance test, operation, and characteristic check are OK. Each readjustment. (Internal and external cleaning)
Accessories: instruction manual, power cord
Main specifications: 650W+650W (1Ω, limited to music signals) 400W+400W (2Ω) 200W+200W (4Ω) 100W+100W (8Ω) bridge connection possible 6 para push output stages use Teflon material on the board 2 input systems (RCA/XLR) W475 x H223 x D491 mm 38 kg
26 capacitors, 22 transistors, 12 lamps, 2 gain volumes, pin jack replacement, etc. have been fully maintained! The flagship model of the Macintosh power amplifier at the time. The heavyweight frame, the refreshing blue meter, and the braking power to drive lightly even the large speakers, and the rich, rich tone are just perfect. The clarity of low frequency contours is the highest among all Mackins of all time. There are small scratches and dullness appropriate to the model year (Oikawa Tetsuji)
Maintenance information: 2026.4.30 maintained (panel dismantling, meter section cleaning, power stage transistors, driver board transistors, capacitor deterioration replacement, lamp breakdown replacement, gain volume defect replacement, AC cable replacement, pin jack deterioration replacement, internal dust cleaning, offset, bias adjustment, operation check)
Accessories: Brand new power cable, copy of instruction manual
Main specifications: 500W+500W (1000W when mono) equipped with power guard circuit W483 x D465 x H263 mm 60.3 kg
The price has been drastically reduced. 2026/4/29 sales price 248,000 yen Overhauled in Accuphase! It is an Accuphase P-300V that combines the dynamic feeling of strong sound with the reproduction of the clear details of the pianissimo. The final model of the P-300 series has a well-extended mid-high range and transparent sound quality, and the strength to drive well even medium-sized speakers is attractive. There are scratches on the front panel and side panels on the exterior (Ryo Mizusaki)
Maintenance information: 2026.4.29 manufacturer maintained (INPUT knob reworked. Bad output relay contact. Replace deteriorated parts such as capacitors and lamps. Inspection and adjustment of each part. Front panel cleaning. There is poor contact with the meter push switch, but since there are no parts, I cleaned it. Move the switch and attenuator well to self-clean. (Safety check and pressure resistance check OK)
Accessories: copy of instruction manual, original box
Main specifications: 180W+180W (8Ω) bridge 560W (8Ω) 700W (4Ω) dimensions W475 x H170 x D408 mm weight 24.8 kg
The disposal price has been reduced! Member prices are not applicable. 2026/3/31 sales price 448,000 yen, 31 deteriorated parts, including capacitors, have been replaced and maintained! A teleo 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. A genuine Harman product. The exterior has dullness over time, small scratches, and bumps. Serial 1190 (Yonejima Satoshi)
Maintenance information: 2026.3.31 Maintained (replaced with deteriorated parts (23 capacitors, 8 resistors). There was deterioration in part of the solder, and it was fixed. Other inspections and adjustments))
Accessories: power cord, remo pin, balance short pin
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. 2026/4/29 sales price 6,000 yen*Currently sold, 1 mono unit. Pure mono power amplifier with high sound quality design. By driving the TPA3116 digital power amplifier IC in parallel BTL mode, a maximum driving power of 100W is achieved. Equipped with a stereo-to-mono conversion function, it is possible to output mono to 1 speaker. AC adapter (sold separately) is not included. (TAKAHASHI Nobuyuki)
Maintenance information: 2026.4.29 Operation confirmed
Accessories: original instruction manual box
Main specifications: input terminal/RCA terminal mono/stereo (MIX) output terminal/1 channel mono speaker output (gold-plated speaker terminal compatible with banana plugs) maximum output 100W compatible speakers 4Ω to 16Ω gain settings (20/26/32/36dB) W98 x H33 x D123 mm 350 g
The price has been drastically reduced. 2026/4/29 sales price 6,000 yen*Currently sold, 1 mono unit. Pure mono power amplifier with high sound quality design. By driving the TPA3116 digital power amplifier IC in parallel BTL mode, a maximum driving power of 100W is achieved. Equipped with a stereo-to-mono conversion function, it is possible to output mono to 1 speaker. AC adapter (sold separately) is not included. (TAKAHASHI Nobuyuki)
Maintenance information: 2026.4.29 Operation confirmed
Accessories: original instruction manual box
Main specifications: input terminal/RCA terminal mono/stereo (MIX) output terminal/1 channel mono speaker output (gold-plated speaker terminal compatible with banana plugs) maximum output 100W compatible speakers 4Ω to 16Ω gain settings (20/26/32/36dB) W98 x H33 x D123 mm 350 g
The price has been reduced. 2026/5/2 sales price 698,000 yen manufacturer maintenance completed! Accuphase high-grade power amplifier. An amplifier that places emphasis on stable driving rather than increasing output. The speaker sounds so lightly that it doesn't make you aware of the term driving force. The texture of the sound included in the music source has the fidelity that conveys it clearly without leaving any residue, and the warm sound makes you listen warmly. There are no visible scratches on the exterior, etc., and it is only dull (Kobayashi Hitoshi)
Maintenance information: 2026.5.1 manufacturer maintenance completed (meter lamp, logo display LED replacement. Exchange and addition of resistors to improve operation stability. Safety check, pressure resistance test, operation, and characteristic check are OK. (Each readjustment and cleaning)
Accessories: power cable, instruction manual (copy)
Main specifications: 125W+125W (8Ω) 1000W+1000W (1Ω) 2 low impedance drive inputs (XLR/RCA) mono/bridge switching W465 x H258 x D545 mm 49 kg
The disposal price has been reduced! (Member prices are not applicable) 2026/3/12 sales price 448,000 yen 27 deteriorated parts, including capacitors, were replaced in 2021/10! 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. A genuine Harman product. There are small scratches and dullness over time. Serial 1047 (Yamato Yuki)
Maintenance information: 2021.10.2 Maintained (deteriorated capacitors, resistors, POT replacement. (Inspection and adjustment)
Accessories: Remo pin instruction manual copy power cable short plug
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
Macintosh heavy high power amplifier. Unlike the rough McKinn sound of the past, it was transformed into a wide and clear sound. Of course, it also has a rich thickness in the mid to low frequencies, making it an attractive modern McKinn sound. The top plate is dull, and the meter is slightly yellowed. Serial JVE 1495 (Takasaki Atsushi)
Maintenance information: 2026.5.2 operation confirmed
Accessories: manual, power cord, terminal cover
Main specifications: output stereo 250W+250W (2/4/8Ω) Mono Parallel 500W (1/2/4Ω) Mono Bridge 500W (4/8/16Ω) size W445 x H240 x D376mm (knob included) weight 43.7 kg
※There are many dents in the shape of water drops on the front panel. Maintained! Luxman mid-range stereo power amplifier. Compared to the predecessor M-7 series, driving power was dramatically improved by adopting second-generation ODNF circuits and custom-made parts. It adds a sense of transparency while keeping the warm softness called lux stone intact. It is a power amplifier that combines 200W of power and smoothness. Serial M50610282A (Hiura Katsuji)
Maintenance information: 2026.4.29 Maintained (AC inlet output relays replaced. (Disassemble, polish, and clean rotary switches and apply protective agents, solder correction, bias and offset checks, output sound checks, interior and exterior cleaning)
Accessories: power cable, instruction manual (copy)
Main specifications: 200W+200W (8Ω) input 2 systems (balanced/unbalanced switching type) W467 x H212 x D440 mm 29.0 kg
Maintenance has been completed, such as changing the shield wire, changing the DC balance adjustment volume, and replacing the idling current adjustment volume. This is the third generation of Kriskit's long-selling kit power amplifier. A model designed by Hideya Masutani that won the hearts of self-made enthusiasts. This unit uses Carafine as the power block capacitor, and the amplifier circuit also uses Carafine's high quality capacitors. It features a natural, thick, and clear sound in the mid-range. Overall there is dullness (Oikawa Tetsuji)
Maintenance information: 2026.4.29 Maintained (changed to shielded wire. DC balance and idling current adjustment volume exchange. (This unit uses black Cerafine for the power block capacitor and red Carafine for the amplifier section)
Accessories: none
Main specifications: 35W+35W W335×H155×D210mm 6kg
Maintenance has been completed, such as changing the shield wire, changing the DC balance adjustment volume, and replacing the idling current adjustment volume. This is the third generation of Kriskit's long-selling kit power amplifier. A model designed by Hideya Masutani that won the hearts of self-made enthusiasts. This unit uses Carafine as the power block capacitor, and the amplifier circuit also uses Carafine's high quality capacitors. It features a natural, thick, and clear sound in the mid-range. There is rust on the top plate (Oikawa Tetsuji)
Maintenance information: 2026.4.29 Maintained (shield wire changed, DC balance and idling current adjustment volume replaced. (This unit uses black Carafine for the power block capacitor and red Carafine for the amplifier section)
Accessories: none
Main specifications: 35W+35W W335×H155×D210mm 6kg
The price has been drastically reduced. 2026/4/15 sales price 128,000 yen 35 deteriorated parts, including capacitors and transistors, were replaced, and maintenance such as dismantling and cleaning the main volume has been carried out! A power amplifier with a characteristic large meter. A straightforward tone with no peculiarities. There is momentum unique to the 80s, and you can enjoy crisp sound quality. It is also ideal as an introduction to separate amplifiers. The exterior has many scratches and dullness over time, and there is a chip on the upper part of the windshield panel. Serial 82113035 (Yamato Yuki)
Maintenance information: 2026.4.15 Maintained (power amplifier circuit part power transistor and transistor replacement, capacitor replacement LR main volume dismantling cleaning meter lamp, indicator lamp replacement output relay, meter relay replacement, power switch mechanism correction, interior and exterior inspection and cleaning, glass panel removal and cleaning, bias adjustment, meter adjustment, operation check. (*Part of the indicator lamp has broken down)
Accessories: copy of instruction manual
Main specifications: 130W+130W (8Ω) 170W+170W (4Ω) frequency characteristics 1Hz to 100kHz impedance 4Ω to 16Ω W450 × H174 × D422mm 18.5 kg
The price has been reduced. 2026/3/26 sales price 79,800 yen This model pursues performance by narrowing down the functions and simplifying the signal path. It's a well-balanced, natural, ROTEL-like sound with no sense of exaggeration. They can handle a wide variety of music genres without excesses or deficiencies. The exterior of the serial 953-5401146 has small scratches and a dull feeling of use. There are some cracks on the SP terminal cover (Hiura Katsuji)
Maintenance information: 2026.3.22 sound output confirmed
Accessories: power cable
Main specifications: output 200W+200W (8Ω) W440 x H139 x D365 mm weight 15.5 kg
Maintained! The RCA terminal has been replaced with a banana-compatible SP terminal. 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. Serial 3803 (Tamura Eiji)
Maintenance information: 2026.4.15 Maintained (power stage Tr, driver Tr check. Replace part C and R deterioration in the board. Input DIN terminal rewiring, operation check, RCA, speaker terminal screwing.)
Accessories: power cable
Main specifications: 100W+100W frequency characteristics 20 to 20 kHz dimensions W341 x H115 x D195 mm weight 9 kg
*Currently sold. Yamaha commercial power amplifier. The fan is slightly louder. There is a general wound (Oikawa Tetsuji)
Maintenance information: 2026.4.7 operation confirmed
Accessories: none
Main specifications: 80W+80W (8Ω/STEREO), 110W+110W (4Ω/STEREO), 220W (8Ω/BRIDGE) W48 x H103.5 x D455mm 12 kg
Maintained including replacement of 15 transistors, 13 capacitors, 12 lamps, and 2 volumes. The flagship model of the Macintosh power amplifier at the time. 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. There are small scratches and dullness appropriate to the model year (Oikawa Tetsuji)
Maintenance information: 2026.4.6 maintained (GAIN vol failure → both channels replaced
Panel meter dismantling cleaning meter display lamp replacement driver board Tr deterioration, C deterioration, power stage Trxl deterioration → replacement each connector cleaning pattern re-solder mode switching SW dismantling cleaning operation check, offset, bias adjustment)
Accessories: power cable
Main specifications: 500W+500W (1000W when mono) equipped with power guard circuit W483 x D465 x H263 mm 60.3 kg
43 capacitors, 6 semi-fixed resistors, 4 lamps, 2 relays have been replaced, and maintenance has been completed, such as disassembling and cleaning the various volumes and switches. The diamond called Yamaha FET shows off its excellent purity and transparency. With this brush-up, the sharpness of the stand up and the high level of transparency have been completely revived, and you can enjoy natural Yamaha sound without getting tired of listening. There are scratches, dullness, etc. on the top plate (Oikawa Tetsuji)
Maintenance information: 2026.2.24 Maintained (left and right speaker output relays replaced, A/B changeover switch dismantling, cleaning, transistor magmentation removed. Electrolytic capacitors, semi-fixed resistors, lamp replacement. Input volume cleaning. Disassemble and clean the panel and rear changeover switch, clean the knobs, housing, and rear terminals. (Other parts readjusted, aging tests)
Accessories: copy of instruction manual
Main specifications: output 100W+100W (8Ω) SNR 115dB W436 x H151 x D370 mm 26 kg
Maintained, including volume replacement. Late wide panels. Macintosh's first power amplifier with a balanced circuit configuration. Resolution and transparency have been increased while keeping the traditional rich tone of McKinn intact. The blue meter, which can be said to be synonymous, is alive and well, and it's visually pleasing. There is peeling on the front panel, small scratches on the side, and dullness on the top plate (Oikawa Tetsuji)
Maintenance information: 2025.12.28 maintained (VOL characteristics poor in both L and RCH, → replacement meter with original vol, illumination lamp burned → replacement capacitor deterioration replacement power, meter SW internal warpage → reinforcement correction)
Accessories: instruction manual
Main specifications: 300W+300W (2/4/8Ω), 600W during MONO (2/4/8Ω) W445 x H196 x D420 mm 35 kg
The disposal price has been reduced. Member discounts are not applicable. 2026/1/11 sales price 128,000 yen Maintenance completed in 2013/1. 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, dullness, chipping, bruises, abrasions, etc. can be seen (Kobayashi Hitoshi)
Maintenance information: 2026.1.10 operation confirmed 2013.1.18 maintenance completed (each inspection adjustment, RCA terminal installation, VR replacement input/output, balance waveform measurement operation confirmed)
Accessories: power cable, copy of instruction manual
Main specifications: 100W+100W frequency characteristics 20 to 20 kHz W341 x H115 x D195 mm 9 kg
The disposal price has been reduced. Member prices are not applicable. 2025/12/24 sales price 128,000 yen 32 capacitors have been replaced, switches have been disassembled and cleaned and maintained! This amplifier has a reputation for use in multiple systems. The original powerful sound, which has a wide range and is clear, has been revived. It is thin and can be used for a wide range of purposes, from sub to multi-use. The exterior has noticeable rust stains on the top plate (Mizusaki Ryo)
Maintenance Information: 2025.12.24 Maintained (Electrolytic Capacitors, Tantalum Capacitors, Semi-fixed Resistors, Lamps, Cushions Replaced. Disassemble and clean the slide switch. Clean the housing, panel, and rear terminals. (Each part has been readjusted)
Accessories: copy of instruction manual
Main specifications: 80W+80W (B grade) 18W+18W (A grade) DC amplifier configuration W480 x H80 x D380 mm 8.6 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