This is a super heavy-duty stereo power amplifier. It has an overwhelming sense of power with a low center of gravity, high resolution, and easily drives a 38 cm woofer. It has excellent clean and delicate depiction, and the texture in the mid to high range is also superb. The appearance with a sense of precision, starting with a large power meter that is easy to see, is also attractive. The exterior has scratches and paint peeling. Serial C4Y255 (Kimiya Miura)
Maintenance information: 2023.12.20 operation confirmed
Accessories: power cable, copy of instruction manual
Main specifications: 250W+250W (4Ω) 1000W+1000W (1Ω) 2000W (mono 2Ω, when connected to a bridge) W465 x H258 x D545 mm 49 kg
※Since it has a tobacco smell, it is cheap. Maintained! First appearance in a long time! Super dreadnought driving force! A 2-channel power amplifier that pursues sound quality using Accuphase technology and the highest grade elements. It uses a natural air cooling system with huge left and right heatsinks. It is a product that allows you to enjoy clear, precise, and high sound quality not only for commercial use, but also for consumer use. There is a feeling of use such as dullness on the exterior and line scratches on the front panel (Murakoshi Yoichi)
Maintenance information: 2023.12.12 maintenance (semi-fixed VR, output relay, silicon sheet replacement. (Screw tightening, ATT check, bias and offset check adjustment, normal and BTL output sound check.)
Main specifications: 300 w/ch (2 Ω) in stereo specification, 200 w/ch (4 Ω), 100 w/ch (8 Ω) *Class A operation up to 50 W 600 w/ch (4 Ω) in monophonic specifications, 400 w/ch (8 Ω) W475 x H239 x D548 mm 46.8 kg
The price has been drastically reduced! 2023/12/7 sales price 59,800 yen Arcam's 3-channel power amplifier. Although it is a power amplifier for 5.1 channels, the high CP shines even as a simple stereo power amplifier. The low frequencies, which have instantaneous power and a rich sense of volume, can easily drive even medium speakers. The exterior is dull and has scratches on the front. Serial F25QJ1011 (Yonejima Satoshi)
Maintenance information: 2023.12.7 operation confirmed
Accessories: instruction manual (English), power cable
Main specifications: 100W x 100W (8Ω) Single Chanel (110W) W430 x H110 x D350 mm Weight 10.6 kg
120V specification Sound output has been confirmed in a 100V environment, but since it is a model for overseas markets, it is sold as is without warranty. A rare power amplifier with a very heavy housing. The sharp, energetic tone makes even medium to large power amplifiers sound like it. I can't remove all of the back volume gripes. There are threads and line scratches (Sasaki Shota)
Maintenance information: 2023.12.16 operation confirmed
Accessories: none
Main specifications: 120V specification 150W+150W (8Ω) W440 x H166 x D446 mm 27.0 kg
The price has been reduced! 2023/12/15 Sales price 198,000 yen Manufacturer maintenance completed! A pure Accuphase Class A stereo amplifier that uses MOS-FET. Although it has a small output, it is a product that is particular about quality during actual use, and you can enjoy a mid-range glossy texture unique to pure A grade. The rich sound, centered around chamber music, small groups, and vocals, is attractive. The exterior is dull. Serial J0Y205 (Tomonori Asaina)
Maintenance information: 2023.12.15 Maintained (meter/logo lamp deterioration, AC inlet cracked, GAIN switch defective, replacement parts inspection/adjustment)
Accessories: instruction manual, power cable
Main specifications: pure A grade 20W+20W (8Ω) 2 input systems (1 balanced and unbalanced system each), bridge connection possible, W475 x H170 x D426 mm, 22.6 kg
※This item is currently sold. 120V specification. CROWN commercial power amplifiers. It features driving power unique to professional use for straight lifts. The high braking power at loud volumes fully demonstrates the likeness of a professional device. The exterior is dull. Serial 8500270574 (Kimiya Miura)
Maintenance information: 2023.12.13 Operation confirmed
Accessories: instruction manual
Main specifications: output 25W+25W (8Ω) 120V specification natural air cooling method W483 x H45 x D213 mm 4.5 kg
* Since G-TUNE has a lot of scratches on the top plate, it is cheap and sold as is. A stereo power amplifier with a beautiful silver panel. In addition to the fresh tone typical of Rotel, it is a high-quality sound with strength and braking power added. There are many line scratches on the top plate (Oikawa Tetsuji)
Maintenance information: 2023.12.12 operation confirmed
Accessories: instruction manual, power cable
Main specifications: 200W+200W (8Ω) speaker output 2 system input 1 system W431 x H144 ✕ D406 mm 17.1 kg
The manufacturer has maintained it! A rare Luxman amplifier that combines power and quality. The traditional sweet and glossy vacuum-tube-like colors of the mid-high range and the low range with strong driving power are also attractive. The ability to make a large speaker sound without difficulty is not unique. The exterior has dullness, scuffs, and small scratches. Serial M20610145A (Tomonori Asaina)
Maintenance information: 2023.12.8 (poor attenuator contact, disassembly contact cleaning, board solder correction, internal cleaning, comprehensive adjustment)
Accessories: instruction manual, power cord
Main specifications: 250W+250W in stereo (8Ω) 380W+380W (4Ω) 750W in mono (8Ω) W467 x H212 x D482 mm, weight 40.5 kg
The price has been drastically reduced. 2023/12/7 sales price 228,000 yen This is an amplifier that condenses Goldmund technology into a compact body. The powerful power supply unit with a large power transformer that occupies the entire width of the housing, and the high speed sound coming from the power stage configured for the shortest distance are attractive. It's a talented power amplifier that brings music to life and straight. There are scratches and small scratches on the exterior. Genuine Zephan Serial 8109789, 8109764 (Yonejima Satoshi)
Maintenance information: 2023.12.7 operation confirmed
Accessories: power cable
Main specifications: output 150 W (2 to 8 ohms) size W150 x D290 x H75 mm weight 4.0 kg
The price has been drastically reduced! 2023/12/3 sales price 198,000 yen This is an Accuphase pure A grade stereo amplifier that uses MOS-FET. Although it has a small output, it is a product that is particular about quality during actual use, and you can enjoy a mid-range glossy texture unique to pure A grade. The rich sound, centered around chamber music, small groups, and vocals, is attractive. The exterior is dull. Serial J0Y205 (Yonejima Satoshi)
Maintenance information: 2023.12.3 operation confirmed
Accessories: instruction manual, power cable
Main specifications: pure A grade 20W+20W (8Ω) 2 input systems (1 balanced and unbalanced system each), bridge connection possible, W475 x H170 x D426 mm, 22.6 kg
Maintained! A stereo power amplifier that takes into account ease of use in multi-channel systems, a must-see for multichannel systems! Contrary to its cute size, it has quite a bit of driving power. The sound is energetic and fresh, just like Sony in this era. There is a line scratch on the right side (Oikawa Tetsuji)
Maintenance information: 2023.12.5 maintenance completed (power supply micro SW deterioration replacement, semi-fixed VR replacement for bias adjustment, input RCA terminal L/R contact failure exchange transistor 2 locations, noise replacement, other DC bias adjustment connection sounds confirmed)
Accessories: none
Main specifications: 40W+40W (8Ω) W200 x H149 x D320 mm 6.5 kg
Disposal prices have been reduced. Member discounts will not be applied. 2023/12/1 sales price 248,000 yen Stylish mono power amplifier. It features a clear sense of separation with no stagnation unique to mono and an orthodox sound that is not bothersome. The rich amount of information unique to high-end aircraft is also attractive. Slightly dull and dirty. Serial G93006/G93005 (Takasaki Atsushi)
Maintenance information: 2023.12.1 operation confirmed
Accessories: instruction manual, power cord
Main specifications: monoblock power amplifier output 55W (8Ω) W430×H101×D285mm 10kg/unit
Accuphase 40th anniversary model! Pure A grade mono power amplifier with further improved speaker driving capability. The pinnacle of Accuphase Class A amplifiers that are rich, detailed, and extremely pleasant to the touch. This high driving power and good tone make all kinds of speakers sound with plenty of room. The appearance is good with little feeling of use (Kobayashi Hitoshi)
Maintenance information: 2023.12.6 Operation confirmed
Accessories: instruction manual, power cord, original box
Main specifications: rated output 800W/1Ω, 400W/2Ω, 200W/4Ω, 100W/8Ω, 1600W/2Ω when connected to a bridge, 800W/4Ω, 400W/8Ω, frequency characteristics 20 to 20,000 Hz, dimensions W465 x H238 x D514 mm, weight 46 kg/unit
The price has been drastically reduced. 2023/12/3 Sales price 230,000 yen Maintained! Although it is a model that is rarely in stock, it is a pure A grade stereo power amplifier that allows you to enjoy sound typical of KRELL with sufficient driving power and a sense of dynamism. The tenacious mid and low frequencies unique to this age draw out elastic bass even from the domestic 3-way range. Exterior, dullness, stains, small scratches, abrasions, etc., and there is a feeling of use (Kobayashi Hitoshi)
Maintenance information: 2023.12.3 maintenance completed (electrolytic capacitors, semi-fixed VR, broken screw replacement nuts, etc. added. Resistance check after installation, output relay polishing and cleaning, solder correction, cable styling repair, bias and offset, output sound check. Interior and exterior cleaning.)
Accessories: power cable, balance short pin
Main specifications: A grade 100W+100W (8Ω) W450 x H163 x D370 mm 19.0 kg
2020 maintenance completed! Pioneer pure A grade, completely non-feedback mono power amplifier. Outstanding braking power. The large woofer is being driven sharply. You can enjoy straight sound with high transparency and density with the “Super Linear Circuit,” which was later utilized in the famous exclusive M5. It's a masterpiece that makes a clear and smooth sound surprisingly powerful even from its simple look. There is a scratch on the top plate (Oikawa Tetsuji)
Maintenance information: 2023.12.5 operation confirmed
2020.7.10 Maintained (main power bridge diode replacement (genuine product), meter/protection circuit power capacitor replacement, protection circuit IC migration removal, output power relay contact cleaning, amplifier board soldering correction, idle current, meter instruction reset, physical characteristics test, CA test, running test)
Accessories: none
Main specifications: Output: 60W+60W (8Ω) W220 x H185 x D440 mm 19.1 kg
Accuphase commercial power amplifiers. Quietness is emphasized, and a natural air cooling system that does not use a fan is adopted. Although it is small, it is equipped with high-precision gain control, and the versatility that can also be connected to a bridge is also attractive. There are scratches all over (Sasaki Shota)
Maintenance information: 2023.11.30 Operation confirmed
Accessories: none
Main specifications: 240W+240W in stereo (2Ω) 220W+220W (4Ω) 150W+150W (8Ω) 480 W (4 Ω) when connected to a bridge 480 W (4 Ω) 440W (8 Ω) input terminal XLR2 hot W482.5 x H105 x D490 mm 16.7 kg
Disposal prices have been reduced! (Member discount will not apply) 2023/11/29 Sales price 148,000 yen Maintenance completed! A class power amplifier with an attractive, powerful, and thick sound. The sense of energy that makes even large speakers sound is a product close to the mid to low range, which contrasts with modern models. It is a power amplifier unique to the heyday of audio with thickness, scale, and room. As for the exterior, there are chips, stains, and scratches on the glass. Serial 1112390 (Kimiya Miura)
Maintenance information: 2023.11.29 Maintained (26 electrolytic capacitors, 2 output relays, 10 lamps, 4 semi-fixed VR, AC cord and RCA jack replaced. Solder crack fixed. flux removal. Increase and tighten the output element. Volume disassembly cleaning. Connector pin cleaning Bias and offset checks. Output voice check. (This model generates a lot of heat, so please install it in a well-ventilated place)
Accessories: no accessories
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 price has been reduced. 2023/7/3 sales price 99,800 yen Maintained last year. A popular trio mono power amplifier with a simple design and high drive power. It is an amplifier designed to be placed close to a speaker. He is a talented person who combines neutral and gentle expressiveness and strength (Goto Daiki)
Maintenance information: 2022.10.16 Maintained (processing and installation due to poor contact with the output board ground connection)
2021.12.19 Maintained (speaker relay contact deterioration replacement, transistor replacement due to noise generation, 4 locations replaced for electrolytic capacitor deterioration, idling confirmation adjustment, sound start running test)
Accessories: none
Main specifications: DC mono power amplifier 150W (8Ω) frequency characteristics DC to 600kHz signal-to-noise ratio 120dB W200 x H155 x D390 mm 13 kg
Maintained! Classic British Quad stereo power amplifier. Small in size, yet full of torque. The sound, which is both neutral and has the depth of a tube amp, is an appeal that won't fade. The exterior has a feeling of use over time, such as dullness and small scratches. Serial 23779 (Hiroki Asou)
Maintenance information: 2023.11.21 maintenance completed (INPUT DIN4P cable creation, internal all check coupling C, etc. C, etc., deterioration exchange power stage check, X2 Tr characteristic defective replacement power cord created)
Accessories: instruction manual copy power cable connection cable
Main specifications: 45W+45W W120 x H159 x D324 mm 8.2 kg
The price has been reduced! 2023/11/27 sales price 49,800 yen A stereo power amplifier with improved sound quality by introducing Marantz's own circuit Absolute SA Technology, which reviews power supply, parts, and wiring, based on the SM-17SA. The smooth, thick sound is characteristic. Despite its slim housing, its outstanding driving power is also attractive. The exterior has scuffs and line scratches. Serial A1010513000135 (Kimiya Miura)
Maintenance information: 2023.11.27 Operation confirmed
Accessories: instruction manual, power cable, original box
Main specifications: rated output 100W+100W (4Ω) 80W+80W (6Ω) 60W+60W (8Ω) 8Ω 200W when BTL connected, 8Ω 200W W458 x H110 x D407 mm 15.5 kg
The price has been reduced. 2023/11/23 Sales price 99,800 yen Maintained! A power amplifier that uses an IGBT element that combines the advantages of both bipolar transistors and MOS-FETs as the output stage. It has high input impedance and wide bandwidth, low output impedance and high current supply capability, and produces sound with high linearity (Sasaki Shota)
Maintenance Information: 2023.11.23 Maintained (Toggle SW Bad Contact Hizome Replacement. Other C, R, etc. checks are OK)
Accessories: power cable
Main specifications: rated output 100W+100W power consumption 140W size W435xH130xD245mm weight 9.5 kg
Disposal prices have been reduced. Member discounts will not be applied. 2023/11/29 Sales price 128,000 yen Maintained! It is a model that plays a small yet calm and glossy tone. We recommend combining it with European speakers along with the company's Pre-44. A slightly more modern flavor than 405 has been added. There is a feeling of use, such as appearance, dullness, abrasions, etc. (Kobayashi Hitoshi)
Maintenance information: 2023.11.29 Maintained (SP terminal left and right exchange, INPUT RCA replacement, L, R board C exchange to TR check OK, operation check, cleaning)
Accessories: instruction manual copy, power cord
Main specifications: 100W+100W W341 x H115 x D195 mm 9.0 kg
Disposal prices have been reduced. Member discounts will not be applied. 2023/11/24 Sales price 148,000 yen Maintenance completed. This is a counterpoint solid state power amplifier. The warm, thick, and mild sound is appealing. It has a good tone typical of the company, which has been cultivated with tube and hybrid amplifiers. Serial 3S2062 (Mizushima Itsuro)
Maintenance information: 2023.11.24 Maintenance completed (drive part transistor, semi-fixed VR, resistor burnout, B-line protection fuse, electrolytic capacitor replacement, replacement for loose RCA jack, LED misalignment correction, solder correction, foreign matter removal, bias adjustment, offset and output sound check, interior and exterior cleaning*This model has a twin unit configuration. The left and right sides of the earth are also independent. (Please use an RCA cable with secure contact on the ground side)
Accessories: power cable
Main specifications: 200W+200W (8 Ω) maximum current supply capacity 170 A size W483 x H184 x D470 mm 28 kg
The price has been drastically reduced. 2023/11/27 sales price 498,000 yen A mono power amplifier developed based on the company's KSA-100. A pure complementary circuit with completely symmetrical operation is used for the circuit configuration, and the power supply unit also uses one with a larger capacity than the KSA-100. You can enjoy pure sound with pure A class operation. There are small scratches and dullness*Please note that it is equipped with an air cooling fan and there is a slight wind noise (Oikawa Tetsuji)
Maintenance information: 2023.11.27 Operation confirmed
Accessories: power cable
Main Specifications: Pure Class A 100W Mono Power Amplifier Output: 100W+100W (8Ω) Frequency Characteristics: 0.5 to 100,000 Hz-3db W483 x H226 x D480 Weight: 25 kg
* Sound production operation has been confirmed, but since volume clicks are different between Ach and Bch, it is currently sold at a low price. Ach is a click volume as it should be, but Bch volume doesn't feel like clicking. Accuphase commercial power amplifiers. The strong driving force of push and pull on all stages is attractive. You can track the left and right driving conditions with an LED meter. Can be used in quiet environments without meter fans (Sasaki Shota)
Maintenance information: 2023.11.30 Operation confirmed
Accessories: none
Main specifications: 150W (8Ω), bridge connection 440W (8Ω) W482.5 × H105 × D398mm 14.5 Kg
The price has been drastically reduced. 2023/11/27 sales price 729,000 yen stereo version of the mono power amplifier M-6000. Power amplifier with power MOS FET8 parallel push-pull drive. It plays the speaker so lightly that you are not aware of the word driving force, and there is a fidelity that clearly conveys the texture of the sound that goes into the music source without leaving any residue. The exterior, the characters on the front panel have disappeared, many scratches can be seen on the top plate, and there is dullness and a feeling of use (Kobayashi Hitoshi)
Maintenance information: 2023.11.27 Operation confirmed
Accessories: instruction manual, power cable, original box
Main specifications: 700W/1Ω 440W/2Ω 220W/4Ω 110W/8Ω frequency characteristics 20 to 20,000 Hz (at rated output) W465 x H221 x D499 mm 42.1 kg
Maintained! A masterpiece transistor type power amplifier from Mackin's heyday. The powerful, rich, and thick tone is a popular gem among jazz fans of yesteryear. The sound combined with a speaker such as 4343 is exceptional. Exterior, dullness, abrasions, rust, etc., and there is a feeling of use (Kobayashi Hitoshi)
Maintenance information: 2023.11.28 Maintained (each SW, VOL cleaning, meter frame cleaning, installation, glass panel cleaning, rubber foot correction, power stage Tr×2 defect, Tr disconnection within the driver board, C deterioration, meter, illumination, display lamp deterioration replacement, connector cleaning, caulking, cable replacement, power supply board pattern burn correction)
Accessories: copy of the instruction manual
Main specifications: 200W+200W (1/2/4/8 Ω) with attenuator on the front input sensitivity 0.75/2.5 V W411 x H181 x D368 mm 38.6 kg
Disposal prices have been reduced! Member discounts will not be applied. 2023/7/14 Sales price 205,000 yen Maintained! A/B class switchable accuphase70's vintage stereo power amplifier. The power supply unit uses 2 completely independent transformers on the left and right, and has a clean sound that suppresses mutual interference. The mild, thick tone is linked to subsequent reference power amplifiers P-500 (Sasaki Shota)
Maintenance information: 2023.11.17 Maintained (electrolytic capacitors, film capacitors, semiconductors, output relays, semi-fixed VR, etc., each replaced due to defects and deterioration. Insulator installation, card edge contact cleaning, ATT disassembly cleaning, other switch cleaning, heat dissipation treatment. The bias and offset adjustment output voice check, and the interior and exterior have been cleaned.)
Accessories: copy of the instruction manual
Main specifications: A/B grade switchable A grade 50W+50W B class 200W+200W dimensions W445 x H160 x D455 mm weight 31.2 kg
Disposal prices have been reduced (member prices are not applicable). 2023/11/19 sales price 398,000 yen Mark Levinson mid-level power amplifier. It is popular because it makes a lot of noise. Circuits for the left and right channels, including the power supply section, are separated and configured independently from the input terminal to the output terminal. The drive power and subtlety that makes a large speaker play lightly, and the thick sound that feels great to hear even among Madrigal Levinson are attractive. The exterior has small scratches and dullness (Oikawa Tetsuji)
Maintenance information: 2023.8.3 maintenance completed (replacement of deteriorated parts (1 IC, 31 capacitors, 2 potential meters, 2 relays, 1 SW, 1 anti-vibration rubber) inspection and adjustment)
Accessories: instruction manual copy, power cable, short pin
Main specifications: 200W+200W (8Ω) 400W+400W (4Ω) 800W+800W (2Ω) bi-wire compatible input/RCA x 1, XLR x 1, W446 x H262 x D479 mm, 58 kg
The disposal price has been reduced (member prices are not applicable). 2023/11/14 Sales price 148,000 yen Maintained in 2023/2! Hybrid power amplifier using vacuum tubes and MOS-FET The thick, powerful bass and the smooth, deep mid-high range add depth to the whole, and develop a large-scale sound (Goto Daiki)
Maintenance information: 2023.2.15 Maintained (left CH output MOSFET replaced for short and open (selected product) replaced due to diode resistor burnout RCA jack fuse crimp terminal deterioration replacement. (*The bias and offset check outputs have been audibly checked.)
Accessories: none
Main specifications: stereo 220W (8Ω) bridge 600W (8Ω) damping factor 60 (8Ω) SNR 84db W483 × H170 × D483 mm 24.9 kg
Uses a “power MOS FET,” which has a reputation for sound quality and reliability. The sound quality is arguable because it is an extrusion that is not typical of a company with a high degree of perfection. The driving power is sufficient even for stereo operation by itself, but it can be upgraded to a majestic sound with a bridge connection. There are no major conspicuous scratches on the exterior, but there is a slight haze on the LCD (Oikawa Tetsuji)
Maintenance information: 2023.11.27 Operation confirmed
Accessories: power cable, instruction manual
Main specifications: stereo power amplifier pure A grade operation rated output 60 W+60 W (8 Ω), 480 W/ch 1 Ω load to 60 W/ch 8 Ω load input RCA1, XLR1 speaker output 2 system damping factor 800 impedance 2 to 16 Ω (when stereo specification) S/N ratio 127 dB (gain switch -12 dB) W465 × H238 × D515 mm 44.3 kg
Disposal prices have been reduced! (Member discounts are not applicable) 2023/11/6 Sales price 158,000 yen Maintenance completed in 2023/2. 2nd generation aircraft of the famous P-300 series. The sharp, sharp, and exhilarating sound is alive and well. It goes well with JBL, etc., and makes a strong and powerful sound. You can enjoy drastic, rough sounds that you can't enjoy with current products. The exterior has small scratches and dullness appropriate to the model year. ※There is some damage to the SP terminals. Serial B8Y670 (Tomonori Asaina)
Maintenance information: 2023.2.5 maintained (output relay, semi-fixed VR, electrolytic capacitor, coupling, capacitor resistance, each replacement, solder correction, edge contact, cleaning, sealing panel, reinstallation, rotary switch, fixation, mold removal, foreign matter removal, cleaning
*The bias and offset check outputs have been audibly checked.
*When using the MAIN&REMOTE1 speaker switch, be sure to connect both speakers. (Since it is a series connection, there is no sound if it is only on one side))
Accessories: power cable, instruction manual copy
Main specifications: 150W+150W (8Ω) W445 x H160 x D355mm 25 kg
Disposal prices have been reduced! Member discounts will not be applied. 2023/11/19 sales price 298,000 yen KRELL stereo power amplifier. It consists of an all-stage balanced differential circuit from input to output. The amplification method is Class A operation, so the extrusion feeling is firm, and the sound quality is glossy. You can also fully feel the fineness of the texture. In addition, a current mode gain design, which was first installed in the company's KRC-3 control amplifier, and fully automatic calibration, which automatically adapts the electrical state inside the amplifier, etc. have been adopted. The exterior is dull and has small scratches (Oikawa Tetsuji)
Maintenance information: 2019.12.15 Maintained (breaker knob replacement, long test. Since breakers of the same model number are difficult to obtain, only knobs that are broken from breakers from the same manufacturer were implanted and replaced, protection circuit shutdown tests and spec checks were performed) 2009.10.19 Maintenance completed (noise was appearing on the output on the cold side of the right channel. The defective transistor on the cold side of the right channel was replaced. Level balance and full power output check. (I checked the operation for a long time)
Accessories: instruction manual, power cable, short pin
Main specifications: 200W+200W (8Ω) high bias class A circuit complete balance circuit W482 × H196 × D514 mm 41 kg
*Each input volume other than MONO is 0, and there is sound leakage, but it is sold as it is. A Sony power amplifier with an affordable price and compact body. It comes with a volume and 3 line selector switches, so it can also be used as a pre-main. Exterior, dullness, abrasions, stains, threads, etc., and there is a feeling of use (Kobayashi Hitoshi)
Maintenance information: 2023.11.2 operation confirmed
Accessories: none
Main specifications: rated output 55W+55W (6Ω) MONO140W (6Ω) W470 × H120 × D265mm 5.9 kg
Disposal prices have been reduced! (Member discounts will not apply) 2023/11/19 Sales price 148,000 yen An input RCA terminal has been added to match modern specifications and maintenance has been completed. Equipped with an input sensitivity adjustment volume. It is a 405-2 that has been further improved since 405, which had the impression of a British sound. In addition to its simple design, it is a power amplifier with plenty of room to make a variety of speakers sound. The exterior is scratched. Serial 076541 (Kimiya Miura)
Maintenance information: 2023.11.19 Maintained (INPUT VOL cannot be replaced, cleaning only. DIN 4P replacement. Power stage Tr x 2 replaced. (Both channel circuit board capacitors are replaced)
Accessories: instruction manual copy, power cable, banana plug
Main specifications: 100W+100W W341 x H115 x D195 mm 9.0 kg
Disposal prices have been reduced! (Member discounts are not applicable) 2023/11/18 Sales price 128,000 yen The RCA terminal is attached to make it easier to use. Maintained! QUAD's classic stereo power amplifier. The European speaker, which is small yet has high torque and is hard to make, sounds great with a good sense of volume. The sound that allows you to immerse yourself in music without excessive production is attractive. The external condition has small scratches and dull stains over time. Scratches on the top plate are conspicuous. Serial 23519 (Yamato Yuki)
Maintenance information: 2023.11.18 maintained (Rch power stage Tr, short, fuse broken → replacement pin jack replacement, DIN4P replacement)
2016.2.7 Maintained (input VR gap replacement RCA terminal mounting IC capacitor resistor fuse replacement)
Accessories: instruction manual copy power cord (general purpose)
Main specifications: 100W+100W (8Ω) current damping method W341 x H115 x D195 mm 9 kg
Disposal prices have been reduced (member prices are not applicable)! 2023/11/23 Sales price 158,000 yen A discrete twin mono structure that uses “A-WRAT,” which aims to widen the playback frequency band. It is a performance with the driving power of Hyundai ONKYO that combines transparency and strength. BTL connections with 2 identical devices are also supported. The exterior has multiple small scratches and dullness (Sasaki Shota)
Maintenance information: Operation confirmed on 2023.11.23
Accessories: power cable
Main specifications: rated output 2 channel stereo 80W+80W (8Ω) 150W+150W (4Ω) BTL mono 180W (8Ω) 220W (6Ω) overall distortion ratio 0.02% S/N ratio 110dB dimensions W435 x H187.5 x D432.5 mm weight 23.5 kg
Maintained! A masterpiece and acclaimed professional power amplifier. It uses a forced air cooling type developed for studio monitors. The sound quality, which aims for vivid, clear bass, is straight and realistic. The driving power is also extremely high, and the realistic sound quality of the bass and drums is of remarkable quality. In addition to dents on the exterior and top plate, there is a feeling of use such as stains, scratches, etc. (Kobayashi Hitoshi)
Maintenance information: 2023.11.25 Maintained (board ether cleaning with board alone, 6P micro housing replaced with new 6P micro housing. Power amplifier section DC offset specified value setting and current amplifier section, DC offset, idle current reset. After the manually specified heat run, offset again and check the idle current value. Output relay contact cleaning and mirror polishing. (Dustproof treatment, measurement of various characteristics, product specification clear)
Accessories: power cable
Main specifications: 180W+180W (8Ω) W486 x H103 x D420 mm 13.8 kg
Disposal prices have been reduced. Member discounts will not be applied. 2023/11/13 This is a solid state power amplifier with a sales price of 148,000 yen counter points. The warm, thick, and mild sound is appealing. It has a good tone typical of the company, which has been cultivated with tube and hybrid amplifiers. The exterior is slightly dull (Sasaki Shota)
Maintenance information: 2023.11.13 Maintained (electrolytic capacitors, semi-fixed VR, replaced due to RCA jack deterioration. Wire restyling. Missing screws added and tightened. Bias adjustment, offset and output voice check. The interior and exterior have been cleaned. *This model has a twin-mono configuration. (Please use an RCA cable with secure contact on the ground side)
Accessories: instructions
Main specifications: 200W+200W (8 Ω) maximum current supply capacity 170 A size W483 x H184 x D470 mm 28 kg
※Since it is inexpensive, it will be handed over as is. Despite its compact size, it is a model with excellent functionality, with 3 input systems. It has an excellent sense of extrusion with effective damping, and creates a crisp low frequency range. The exterior is dull and dirty. Serial 5010137 (Kimiya Miura)
Maintenance information: 2023.10.11 operation confirmed
Accessories: no accessories
Main specifications: 20W+20W (4Ω), 3 line inputs, W218 x H60 x D189 mm, weight 2.8 kg
The price has been drastically reduced. 2023/11/16 Sales price 178,000 yen Maintained! A stereo power amplifier developed as a reference machine with improved design. The clear sound with a sense of transparency, driving power that pushes it firmly without feeling rough, and the individuality unique to Yamaha shines through. The exterior has dullness and small scratches on the top surface. Serial E015948SU (Murakoshi Yoichi)
Maintenance information: 2023.11.16 Maintained (power circuit fault repair adjustment. Fixed all soldering deterioration on the left and right main amplifier circuit boards and other circuit boards. Input volume contact correction. (Long time sound output check when set with CX2000)
Accessories: instruction manual
Main specifications: 130W+130W (8Ω) W473 x H170 x D469 mm 28 kg
The price has been drastically reduced! 2023/11/19 sales price 348,000 yen This model is equipped with an “ALIZE4” DAC module based on an SR2.3ME stereo power amplifier. Compatible with the digital transmission concept advocated by Goldmund. If you combine it with the company's MIMESIS SR8ME, you can connect digitally. Of course, analog input is also possible, and it can also be used as a normal power amplifier. There are small wounds and dullness (Oikawa Tetsuji)
Maintenance information: 2023.11.19 operation confirmed
Accessories: power cable
Main specifications: execution output 150W+150W W440 x H75 x D335 mm 10 kg
The price has been reduced. 2023/11/20 sales price 39,800 yen*Since it is commercial equipment, it is delivered as is, and it is cheap because it has a strong tobacco smell. 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. There is a feeling of use such as appearance, dullness, small scratches, abrasions, etc. (Kobayashi Hitoshi)
Maintenance information: 2023.11.18 Operation confirmed
Accessories: none
Main specifications: 240W+240W (8Ω) 480W (16Ω MONO) with peak output meter W480 x D413 x H183 mm 20.5 kg
Genuine Noah A counterpoint vacuum tube/FET hybrid power amplifier. An electron tube is used for voltage amplification, and a MOS-FET with class AB operation is used for the output stage. The large vintage speakers also play with plenty of power, so you can enjoy a plump, warm, and powerful sound. The exterior has small scratches and dullness (Oikawa Tetsuji)
Maintenance information: 2023.11.22 operation confirmed
Accessories: none
Main specifications: used vacuum tube/6DJ8 x 4/6DJ8 x 1 bottle/6CA4 x 1, output 220W+220W (8Ω), W480 x H113 x D480 mm, weight 31.0 kg
Maintained by Luxman Service! This pure A grade power amplifier features a rich, warm tone typical of Luxman. It combines softness and strength, and you can enjoy it with highly textured sound quality. Mono driving via BTL connection is also possible. The exterior includes scratches, chips, etc. Serial A01010057 (Tamura Eiji)
Maintenance information: 2023.11.22 manufacturer maintenance completed (deteriorated capacitor replacement. The output relay contacts were replaced due to deterioration. Contact cleaning for each switch attenuator type. Overall board solder has been reworked. Comprehensive adjustments. (Operation and characteristics tests)
Accessories: copy of the instruction manual
Main specifications: stereo output 55W+55W (8Ω) pure A class operation mono output 220W (balanced input) frequency characteristics 5Hz to 300kHz direct reading level indicator W444 x H211 x D417 mm 22 kg
A mid-range model of an Accuphase power amplifier. It is a high quality amplifier with a delicate, natural, and deep sound field. In particular, the highly textured mid-high range makes classical and vocals sound with plenty of room. There are no major noticeable scratches on the exterior, but there is dullness in places. The power cable is not genuine (Oikawa Tetsuji)
Maintenance information: 2023.11.21 Operation confirmed
Accessories: power cable (non-genuine), instruction manual
Main specifications: 200W+200W 2 input systems (RCA/XLR) W475 x H211 x D465 mm 30.6 kg
Disposal prices have been reduced (member prices are not applicable). 2023/11/17 A commercial power amplifier with a sales price of 148,000 yen Accuphase. Equipped with a large output of 300W+300W, the speaker equipped with a 38cm woofer can also make a light sound. It matches a variety of genres, depending on the preamp that matches it with an unusual tone. This power amplifier is recommended for those who want to make a loud sound for business use. There are scratches and stains (Sasaki Shota)
Maintenance information: 2023.11.17 Operation confirmed
Accessories: copy of instructions
Main specifications: 300W+300W (8Ω) 600W+600W (2Ω) 1000W (when 4Ω BTL) frequency characteristics 0.5 to 150000 Hz W482 × H148.5 × D490 mm 23 kg