The price has been reduced! 2025/12/6 sales price 450,000 yen Maintained! The highest-grade Lux stereo power amplifier model from the latter half of the 90s. It is characterized by a moderately tight sound with a sense of volume. It is a high performance universal amplifier with a deep sense that can honestly express the characteristics of a preamp. On the exterior, there are small scratches on the front panel and scratches scattered on the top plate. Serial W70210038 (Yonejima Satoshi)
Maintenance information: 2025.12.6 maintained (disassembly contacts were cleaned due to poor contact with the rear panel attenuator. The slide switch disassembly contacts have been cleaned. , offset voltage check, internal cleaning, input/output operation check)
Accessories: power cord
Main specifications: 250W+250W (8Ω) W467 x H233 x D482 mm 43.5 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 has small scratches and dullness. Serial 8500259025 (Hiura Katsuji)
Maintenance information: 2025.12.7 sound output confirmed
Accessories: none
Main specifications: output 25W+25W (8Ω) 120V specification natural air cooling method W483 × H45 × D213 mm 4.5 kg
The price has been drastically reduced. 2025/12/5 sales price 128,000 yen Maintained. A model that inherits the sound of the higher-level model AMPZILLA and has been made more compact. It's a thick, extruded American sound. A straight sound pops out of a simple circuit. If you don't add a fair amount of gain, you won't touch the indicator needle, but it's a specification. You can see a feeling of use, such as appearance, dullness, abrasions, etc. (Kobayashi Hitoshi)
Maintenance information: 2025.11.28 maintenance (power transistor replacement, running test) 2022.12.8 maintained (both channel dismantling c, R, Tr all check DC offset VOL replacement, bias VOL replacement, adjustment operation confirmation)
Accessories: none
Main specifications: 80W+80W (8Ω) W483 x H145 x D307 mm (actual measurement) 11.5 kg (actual measurement)
This is a mono vacuum tube power amplifier made in homage to the famous QUAD2. Clean, clear sound with good visibility. The mild, highly transparent sound of strings and pianos reproduces a bright atmosphere even when playing CDs. There is corrosion on the logo plate (Sasaki Shota)
Maintenance information: 2025.12.7 operation confirmed
Accessories: manual, power cable
Main specifications: KT66 push pull 19.85W+19.85W (manufacturer measurement value) W320 x H155 x D130 mm 8 kg/unit
The disposal price has been reduced! (Member prices are not applicable) 2025/12/3 sales price 148,000 yen ※ It is cheap because the meter is defective on one side (there is a meter difference between the left and right, and the starting position is not 0) 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. 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 (fuse holder replaced. Meter switch disassembly contact cleaning. (*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: No accessories
Main specifications: 200W+200W (8Ω) perfect balance configuration W445 × H178 × D229 mm 22.7 kg
Maintained! Comes with wood cabinet! A masterpiece model from the heyday of Mackin. The thickness of the extrusion, richness, and exhilarating sound with a punch that cannot be obtained with modern amplifiers is unique to Mackins of this age. There is discoloration in the cabinet (Sasaki Shota)
Maintenance information: 2025.12.5 maintained (both channel noise → defective zener diode capacitor in the power supply board, C deterioration meter in the driver board, display lamp replacement, speaker relay contact cleaning/each connector, SW, VOL cleaning/power, speaker switch internal warpage reinforcement correction, panel peeling correction (characters cannot be corrected), power stage Tv check, internal and external cleaning)
Accessories: none
Main specifications: 200W+200W (1/2/4/8Ω) input sensitivity 0.75/2.5V W411 × H181 × D368 mm 38.6 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 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
*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
Currently sold. It is a model based on the SM6100SA that enhances the degree of perfection of parts and technology. It features smooth and delicate sound quality with excellent medium to high frequency SNR. The speaker terminals are full-scale specifications using those manufactured by WBT. It can also be used as a surround power amplifier by connecting multiple units. There is a scuff on the front panel (Murakoshi Yoichi)
Maintenance information: 2025.11.28 sound output confirmed
Accessories: copy of instruction manual, power cord, original box
Main specifications: 50W+50W (8Ω) WBT SP terminal W440 × H124 × D320 mm 7.5 kg
Maintenance has been completed, including the replacement of 12 deteriorated capacitors! 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. There is a feeling of use such as small scratches and dullness on the front and top plate. Serial 202600 (Takasaki Atsushi)
Maintenance Information: 2025.11.27 Maintained (Electrolytic Capacitors, Tantalum Capacitors, Semi-fixed Resistors replaced. Disassemble and clean the changeover switch. (Relay terminal, panel, rear terminal, housing cleaning, readjustment of various parts, aging test)
Accessories: instruction manual (copy)
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) 2025/8/29 sales price 118,000 yen QUAD is a power amplifier that combines a wide range and high SNR feel with traditional, high-texture sound. Equipped with QUAD LINK, system control is also possible. Extremely practical quality can be obtained from its compact size. There are dirt scratches and threads on the exterior. Serial 99SG0109 (Fujisawa Yukishi)
Maintenance information: 2025.8.29 operation confirmed
Accessories: power cord
Main specifications: input RCA/QUAD-LINK: 1 system each input impedance 33k ohm input sensitivity 775mV (RCA input) output 1 system (banana plug can be used) maximum output: 90W/8ohm, 120W/4Ω S/N ratio 110dB frequency characteristics 3Hz to 50kHz W321 × H70 × D310 mm mass 6.25 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
Maintenance has been completed, such as replacing 5 deteriorated transistors, capacitors, and varistor diodes. An attractive power amplifier with natural sound quality with few Yamaha habits. It also has driving power, and is recommended as a separate introductory aircraft. It also works great with Yamaha speakers. You can see a feeling of use, such as appearance, dullness, abrasions, etc. (Kobayashi Hitoshi)
Maintenance information: 2025.11.20 Maintained (replacement of 5 deteriorated transistors, capacitors, and varistor diodes in the power supply circuit and in the protection circuit. Corrected soldering in the left and right main amplifier circuits. Switch type disassembly contact polishing)
Accessories: none
Main specifications: 70W+70W, 140W at BTL, DC amplifier configuration W200 × H193 × D407 mm 16.2 kg
The price has been reduced. 2025/11/14 sales price 39,800 yen It's cheap because there are a lot of scratches. A stereo power amplifier with improved sound quality by incorporating Marantz's unique circuit Absolute SA Technology, which reviews power supply, parts, and wiring based on the SM-17SA. The smooth and thick sound is characteristic. Although it has a slim housing, it is also attractive for its outstanding driving power. There are insulator marks on the top plate, such as dullness and small scratches on the exterior. Serial A1010529000 (Eternity Mirai)
Maintenance information: 2025.11.14 Operation confirmed
Accessories: power cable
Main specifications: rated output 100W+100W (4Ω) 80W+80W (6Ω) 60W+60W (8Ω) when connected to BTL 8Ω 200W W458 × H110 × D407 mm 15.5 kg
The disposal price has been reduced! (Member price not applicable) 2025/11/16 sales price 348,000 yen Jeff Roland's small monaural amplifier. A high performance mono power amplifier requiring a strong power supply from ICE POWER. The high degree of perfection that achieves both thickness and texture even though it is small, and the glossy tone unique to JEFF is still attractive enough. The exterior is dull and has small scratches. Serial MB0266/MB0267 (Yonejima Satoshi)
Maintenance information: 2025.11.16 Operation confirmed
Accessories: instruction manual, power cord, original box
Main specifications: 250W+250W (8Ω) W216×H65×D290 mm 6.2 kg
*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. There are multiple abrasions on the top plate (Sasaki Shota)
Maintenance information: 2025.11.20 Operation confirmed
Accessories: power cable
Main specifications: 45W+45W (8Ω) bridge output 150W (8Ω) W480 × H99 × D260 mm 6.8 kg
It has been maintained by replacing deteriorated parts such as capacitors and volume! SONY's early solid state power amplifier is rare now. A sharp, refreshing sound. The sound image is also clear, and I feel the atmosphere of this era in the sound of attacks playing the piano (Murakoshi Yoichi)
Maintenance information: 2025.11.19 maintained (VR left and right replacement, input RCA jack, power supply electrolytic capacitor 47u/100v x 8, 470/25v x 1 replacement, speaker SW power limiter switch, FUNCTION switch, power supply mute SW disassembly contact polishing cleaning grease application, DC idling DC balance adjustment)
Accessories: none
Main specifications: Rated output: 100W+100W 100W can be switched between 100W, 50W, and 25W with an output limiter switch W400 x H149 x D323 mm 12.2 kg
A Jeff Roland stereo power amplifier where you can enjoy the hot sound of the night before Ice Power. Genuine Oba Shoji product. It is a gem that comes out of a large toroidal transformer+power capacitor, and boasts hidden abilities due to its strength when sitting on the back while being small, and has a sense of silence and good sound. As for the exterior, there is a scratch on the top plate. Serial L0309 (Yonejima Satoshi)
Maintenance information: 2025.11.19 Operation confirmed
Accessories: instruction manual, power cord
Main specifications: 150W+150W (8Ω) 275W x 275W (4Ω) with RCA and XLR input switching W444 x H143 x D337 mm weight 24.5 kg
The disposal price has been reduced. Member discounts are not applicable. 2025/8/24 sales price 89,800 yen. Maintained! A power amplifier at the core of LUXMAN's ambitious laboratory reference series in the 70s. It is a model that made clear and powerful sound possible with a DC amplifier configuration that was advanced at the time. The exterior and one screw cap on the top plate are missing, and there is a slight feeling of use (Kobayashi Hitoshi)
Maintenance information: 2025.8.24 Maintained (replacement of 6 capacitors in the power supply circuit, power fuse, meter lamp, and power lamp. (Long time sound check)
Accessories: copy of the manual
Main specifications: continuous effective output 100W+100W (8Ω) damping factor 80 or more (8Ω) W442 × H146 × D400 mm 19.0 kg
Disposal price has been reduced (member prices are not applicable) 2025/11/13 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 is full of age wear, paint peeling, and small scratches.
Serial 14497 (Tomoho Asaine)
Maintenance information: 2025.11.13 Maintained (The fuse has been replaced. There were no confirmed issues with internal transistor, capacitor, resistor values, etc. The input/output waveform was checked, left and right balance checked, load tests, and comprehensive operation tests were performed to confirm normal operation. Load test (1kHz sine wave, at 8Ω load: 100W+100W), sound output test. Running test 10H)
Accessories: power cable
Main specifications: 100W+100W frequency characteristics 20 to 20 kHz dimensions W341 x H115 x D195 mm weight 9 kg
A power amplifier that enables overwhelming spatial expression with a second-generation ultra-high speed switching power supply. The smooth, cored sound has a texture unique to high-end machines. They also have excellent driving power and the ability to easily drive high-class speakers. The exterior is dull all over, and there are small scratches on the top plate and front. Serial K0129/H0076 (Yonejima Satoshi)
Maintenance information: Maintained at Taiyo International on 2020.2.12 (replaced with an XLR connector pair)
Accessories: copy of instruction manual, power cord, connection cord
Main specifications: 150W+150W (8Ω) input/unbalance (RCA) 1 system/balanced (XLR) 1 system SP terminal/1 system main unit W445 x H97 x D335 mm power supply unit W445 x H97 x D319 mm body 13.5 kg power supply 13.7 kg
The disposal price has been reduced. Member discounts are not applicable. 2025/11/5 sales price 278,000 yen Goldmund's small power amplifier will be introduced for the first time in a long time. The amplifier circuit is equipped with an optimized version of the company's Teros circuit for Metis. A robust all-aluminum chassis is used to suppress the effects of internal and external vibrations. The excellent sound that is different from the Mimesis series due to the careful power supply unit configuration is attractive. You can see the exterior, dullness, and feeling of use (Kobayashi Hitoshi)
Maintenance information: 2025.11.5 operation confirmed
Accessories: instruction manual, power cord
Main specifications: rated output 100W RMS at 8Ω analog input RCA x 1 frequency characteristics +/- 0.05dB, 10Hz-20kHz speaker terminal SPADE/BANANA compatible speaker terminal W300 x H60 x D285 mm 7.5 kg
The disposal price has been reduced. Member discounts are not applicable. 2025/11/11 sales price 178,000 yen Maintained. Accuphase70's vintage stereo power amplifier with A/B switchable The power supply unit uses 2 completely independent left and right transformers for clean sound that suppresses mutual interference. The mild, thick tone is the tone leading to the subsequent reference power amplifier P-500. Serial B2X519 (Mizushima Itsuro)
Maintenance information: 2025.11.11 Maintenance completed (medium output transistor, semi-fixed VR, electrolytic capacitor, lamp, output relay due to defects and deterioration, ATT dismantling and cleaning, screw expansion and tightening, ATT shaft bending correction, card edge contact cleaning, bias and offset adjustment, output sound check, interior and exterior cleaning*Switch A class/AB class operation changeover switches in the power off state please. (*The -10dB indicator on the right meter is slightly discolored and cannot be corrected)
Accessories: copy of instruction manual
Main specifications: A/B grade switchable type A grade 50W+50W B grade 200W+200W dimensions W445 x H160 x D455 mm weight 31.2 kg
The price has been drastically reduced. 2025/10/9 sales price 398,000 yen Transistors and capacitors have been replaced, etc. Maintenance has been completed! 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 is strong dirt on the power cable and there is a feeling of use (Murakoshi Yoichi)
Maintenance information: 2025.10.8 Maintained (meter board connector, board contact cleaning, connector replacement. Meter display lamp replacement, power stage Tr x 2, driver board Tr, C replacement, MODE switch SW dismantling and cleaning, GAIN VOL exchange. Operation check)
Accessories: instruction manual (copy), power cable
Main specifications: 500W+500W (1000W when mono) equipped with power guard circuit W483 x D465 x H263 mm 60.3 kg
Maintained! A true pure Class A amplifier that supplies constant bias current up to maximum output. It has 100W+100W output that brings furious momentum. The energetic and supple sound, supported by a powerful power source, makes me feel the Luxman of yesteryear. There is a small scratch on the front panel lid (Daiki Goto)
Maintenance information: 2025.11.13 Maintained (all disassembled and cleaned, fans disassembled and cleaned. Disassembly contact polishing for switches such as attenuators. All internal circuit boards have been soldered and corrected. Parts were replaced at the previous manufacturer. When this unit is set to full volume without input, it emits a slight buzzing noise from the speaker due to induction noise. If connected to an input terminal such as a preamplifier, no noise is generated. BALANCE is prioritized and switched between BALANCE and COAXAL, but this is a specification.)
Accessories: copy of the manual, original box
Main specifications: continuous effective output 100W+100W (8Ω, grade A) frequency characteristics 5Hz to 300,000 Hz SNR 120dB damping factor 500 power consumption 280W x 2 size W438 x H220 x D474 mm weight 52 kg