Pure Class A operation premain amplifier with simple design and performance. An amplifier that combines good granularity and thickness, and has a reputation for its high ability. The height of Costpuff Ormans is also good. The condition is that there are small scratches and dullness over time, and there is a noticeable scratch on the back of the top plate. Serial A5300R 081.0004509 (Yamato Yuki)
Maintenance information: 2023.3.25 Operation confirmed
Accessories: instruction manual copy remote control power cable
Main specifications: 120W+120W (8Ω) 135W+135W (4Ω) input/balance 2 systems (XLR) unbalanced 3 systems (RCA) output/speaker output 1 system RECOUT1 system W435 × D375 × H123 mm 14.3 kg
Maintained including 20 transistor replacements! TRIO mono amplifier. Although it is a small size. You can fully enjoy the mono feel of a clear sound field with a sense of spaciousness and a thick, smooth sound. As for the exterior, there are stains on the back, such as spots and rust spots all over. Serial 950396/950544 (Murakoshi Yoichi)
Maintenance information: 2024.7.25 maintenance (internal dismantling and cleaning. Replace 20 power supply circuit and protection circuit transistors)
Main specifications: DC mono power amplifier 100W+100W (8Ω) W200×H165×D398mm 8.7kg
The disposal price has been reduced. Member discounts are not applicable. 2024/6/24 sales price 22,800 yen. 115V specification A power amplifier that is supported by a heavyweight power transformer and reproduces tight low frequency reproduction with good visibility. It shows high cost performance that exceeds size and price. The appearance is fine, with no noticeable scratches, etc. (Kobayashi Hitoshi)
Maintenance information: 2024.6.21 Operation confirmed
Accessories: instruction manual, power cable
Main specifications: 45W+45W (8Ω) 75W+75W (4Ω) W483 × H51 × D295mm 7.5 kg
The disposal price has been reduced. Member discounts are not applicable. 2023/6/12 sales price 49,800 yen ※1 mono amplifier only. The display lamp visible through the lattice is a transistor mono power amplifier with an indescribable design. As for the sound quality, it is a powerful sound with a sense of overhang while making you feel thick, and the low frequencies are not sluggish, making you listen to a pleasant sound. The exterior is dull all over, scratches on the top plate, etc., and there is a feeling of use (Kobayashi Hitoshi)
Maintenance information: 2023.6.13 Maintained (output relay contact correction input volume disassembly contact correction protection circuit transistor replacement input terminal polish)
Accessories: none
Main specifications: effective output 150 W, input level adjustment, SNR 110 dB, dimensions W436 x H95 x D328 mm, weight 11.5 kg/1 unit
The price has been reduced! 2024/7/20 sales price 278,000 yen Maintained! This is a popular 80's Claire sound. The thick, bouncy, and energetic sound makes it easy to drive the speaker. The mid and high frequencies also have a glossy, smooth texture, and a full vocal range. The exterior is generally good, although there is a feeling of use such as dullness. Serial 9631 (Tomoho Asaine)
Maintenance Information: 2024.7.20 Maintained (Electrolytic Capacitor and Multi-Rotation POT were replaced due to deterioration, polycarbonate screw damage replaced, output relay polishing, solder correction connector cleaning bias, and offset adjustment output sound checked)
Accessories: Power cable (general purpose)
Main specifications: effective output 80W+80W (8Ω) 160W+160W (4Ω) 320W+320W (2Ω) frequency characteristics 20 to 20,000 Hz W580 × H215 × D450 mm 38 kg
Maintained! Sansui's separate power amplifier with excellent low frequency volume and driving power. It is a masterpiece created by putting in the highest quantity of materials at the time. It has a dynamic low range that cannot be heard with modern amplifiers, and it can drive JBL's 4343 class speakers and small, low efficiency speakers with plenty of time. On the exterior, a feeling of use can be seen throughout, such as scratches on the top plate and dullness on the front. Serial 215050029 (Yonejima Satoshi)
Maintenance information: 2024.7.21 Maintained (power amplifier, flat amplifier circuit 12 constant current diodes replaced, 6 semi-fixed volumes replaced. Replace 2 speaker relays. Replace 6 meter lamps. INPUT selector, LEVEL switch disassembly contact polishing. (General adjustment)
Accessories: instruction manual
Main specifications: digital meter with balanced input effective output 300W+300W (8Ω) 880W+880W (2Ω) W474 x H215 x D498 mm 36 kg
Maintained! ※The meter is cheap because there is color burn. McKinn's tube power amplifier. While it has a smooth and glossy tone, the delicate tone with an extremely high sense of SNR is truly a modern vacuum tube amplifier. The modern McKinn sound, which has no conventional noise and is highly transparent yet thick and glossy, is attractive. You can see the exterior, dullness, and feeling of use (Kobayashi Hitoshi)
Maintenance information: 2024.7.24 Maintenance completed (10 lamps replaced, SW disassembly contacts repolished, and grease applied to prevent oxidation and sulfidation. Meter acrylic interior fog removal Check input/output waveforms)
Accessories: instruction manual, power cord
Main specifications: KT88 parallel push stereo 100W mono 200W with balanced input W445 x H257 x D432 mm weight 40 kg
The disposal price has been reduced. Member discounts are not applicable. 2024/7/13 sales price 178,000 yen Maintained! Genuine RF 120V specification (100V operation confirmed) SAE power amplifier synonymous with American sound. The powerful, carefree, and tight sound image is perfect for ROCK and JAZZ. In particular, the dry sound of the bass and drums is truly an American sound. The sense of power that easily drives a large woofer is also attractive. You can see a feeling of use, such as appearance, dullness, abrasions, etc. (Kobayashi Hitoshi)
Maintenance information: 2024.7.13 maintenance completed (board cleaning, resistance, C, transistor failure, deterioration → replacement, operation check, relay contact cleaning)
Accessories: none
Main specifications: output 300W+300W (8Ω) W483 x H188 x D460 mm 25.2 kg
The disposal price has been reduced! (Member prices are not applicable) 2024/7/19 sales price 99,8,000 yen Fully maintained, including replacement of 33 deteriorated capacitors! Pure Class A Mono Amp The driving power, which boasts an output of 100W, shows exhilarating strength. One of Levinson's most famous power amplifiers combines not only strength and thickness, but also good separation and high texture in the mid to high range. Modern speakers also drive brilliantly, and the high degree of perfection is attractive. The exterior has scratches, dullness, and stains. Serial 5586/5587 (Tamura Eiji)
Maintenance information: 2024.7.19 Maintained (replacement of deteriorated parts such as 33 capacitors and 8 resistors. Bottom plate mounting screw replacement The rear panel was processed, and the SP terminals were replaced with general-shaped terminals. DC voltage/DC offset voltage/idling current/other adjustments)
Accessories: power cable, remo pin, balance short pin
Main specifications: output 100W/ch (8Ω), 200w/ch (4Ω) input unbalance (LEMO) 1 system, balance (XLR) 1 system, SP terminal 1 system (WBT) W483 x H212 x D560 mm 33 kg/unit
The disposal price has been reduced. Member discounts are not applicable. 2024/2/25 sales price 2,750,000 yen Manufacturer maintained! Hi-Fi Hall's first appearance! This mono power amplifier is a model commemorating the 80th anniversary of LUX's founding. The dynamism of the music played in the full volume range is excellent. It expresses the rise of music and the high volume climax with an overwhelming sense of power. There is a feeling of use, such as line scratches and small dents scattered around. Serial 00129/00130 (Takasaki Atsushi)
Maintenance information: 2024.7.11 manufacturer maintenance (long-term aging test carried out. Replace 10 power board parts and 10 film capacitors each. Power switch, main/operation switch replacement. Solder check and re-solder work on substrates such as bus bars, etc. Power line contact cleaning/reassembly. Check the internal wiring and each connector. Coaxial terminal and balance terminal replacement. Idling adjustment and overall adjustment. aging test, cleaning)
Accessories: instruction manual, power cord, original box
Main specifications: 250W (8Ω), 500W (4Ω) input sensitivity 1V/250W (8Ω) power consumption 439W W428 × H295 × D592 mm 64 kg
The disposal price has been reduced. Member prices are not applicable. 2024/5/17 sales price 378,000 yen The flagship model of a Macintosh power amplifier with silver panel specifications. It is characterized by its strong, dense sound. The extrusion is strong and goes great with JBL large monitor speakers. The dynamism in the mid to low range, which is difficult to obtain with current Mackin power amplifiers, is attractive. There are scratches, dullness, and discoloration in places (Kojima Yosuke)
Maintenance information: Maintained on 2020.8.26 (2 input volumes, 4 semi-fixed volumes, 2 RCA plugs, 12 lamps, 8 electrolytic capacitors, replacement input mode switch disassembly cleaning, card edge cleaning, soldering, bias and offset check, output sound check)
(*The interior and exterior have been cleaned.)
Accessories: power cable
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) 2024/7/18 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 41000 (Takahashi Nobuyuki)
Maintenance information: 2024.7.18 Operation confirmed 2024.3.22 Maintained! (Internal check DC cut C, gain setting C, etc., exchange Tr, etc. check operation check, DIN4P-RCA female cable creation)
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 price has been reduced! 2024/7/23 sales price 158,000 yen A grade class power amplifier with 200W x 200W (6Ω) pure A class operation. This model was particularly popular among domestic power amplifiers at the time. Even when I listen to it now, the sharp, edgy sound is full of exhilaration. There is also a delicate sense of high frequencies, and the lively tone is excellent. The exterior has small scratches and a feeling of use such as dullness. Serial E041406WY (Jun Tamai)
Maintenance information: 2012.10.30 maintenance completed (replacement of 30 board electrolytic capacitors, Nichicon fine gold, solder correction, output relay disassembly contact polishing, protective agent application, internal and external cleaning, offset/idle current measurement check, input/output oscillation waveform/balance confirmation, sound output, comprehensive operation test)
Accessories: none
Main specifications: 240W+240W (4Ω) 200W+200W (6Ω) 170W+170W (8Ω) SNR 124dB dimensions W435 x H165 x D422mm weight 26 kg
The price has been drastically reduced. 2024/7/14 sales price 59,800 yen. It is an extremely powerful power amplifier with few miscellaneous notes, and the sound starts up quickly. It also has a high signal-to-noise ratio and a high sense of subtlety, and it fully demonstrates its excellent character when the volume is low for home use. You can see a feeling of use on the exterior, dullness, rust, stains, scratches, etc. (Kobayashi Hitoshi)
Maintenance information: 2024.7.14 Operation confirmed. 2015.6.12 Maintained (main amplifier circuit output relay replacement. Main amplifier circuit soldering correction)
Accessories: none
Main specifications: 100W+100W (8Ω) bridge mono output 300W size W430 × H119 × D430 mm weight 18.4 kg
The price has been drastically reduced. 2024/7/14 sales price 49,800 yen. ※Inexpensive because it is in poor condition. It is an extremely powerful power amplifier with few miscellaneous notes, and the sound starts up quickly. It also has a high signal-to-noise ratio and a high sense of subtlety, and it fully demonstrates its excellent character when the volume is low for home use. Exterior, paint peeling, dullness, rust, stains, scratches, etc. can be seen (Kobayashi Hitoshi)
Maintenance information: 2024.7.14 Operation confirmed. 2015.5.28 Maintained (main amplifier circuit output relay replaced. Main amplifier circuit soldering correction)
Accessories: none
Main specifications: 100W+100W (8Ω) bridge mono output 300W size W430 × H119 × D430 mm weight 18.4 kg
The price has been reduced. 2024/7/7 sales price 49,800 yen ※Currently sold. JBL UREI professional power amplifier. Dynamic sound with clear contours and momentum. The driving power that makes it easy to drive even large speakers at a high volume is attractive. It can also be used as mono power by connecting to a bridge. The exterior is generally dull, and there is a feeling of use such as scratches (Mizusaki Ryo)
Maintenance information: 2024.7.7 operation confirmed
Accessories: phone plug for conversion
Main specifications: 150W+150W (8Ω) 300W+300W (4Ω) input 2 systems (phone/XLR) W483 x H180 x D260 mm approx. 20 kg
Genuine RF 100V specification. A power amplifier that allows you to enjoy the hot sounds of Krell's early days. The ease of handling not found in high-power models with large output is attractive. It is a famous machine that remains attractive even now due to its elastic bass that achieves both volume and tightness, and a good sense of tone in the mid to high range. There are small scratches and dullness on the exterior, but there is little feeling of use (Oikawa Tetsuji)
Maintenance information: 2024.7.22 operation confirmed
Accessories: power cable
Main specifications: effective output 50W+50W output bandwidth 20 to 20,000 Hz SNR 120dB power consumption 310 W 483 x H226 x D480 mm weight 24.0 kg
The disposal price has been reduced. Member discounts are not applicable. 2024/7/16 sales price 188,000 yen Maintained! Accuphase70's vintage stereo power amplifier with A/B switchable The power supply uses 2 completely independent transformers on the left and right, and is characterized by a clean sound that suppresses mutual interference. The mild and thick tone is a tone connected to the reference power amplifier P-500. There are scratches on the windshield, small scratches and dullness throughout (Daiki Goto)
Maintenance information: 2024.7.14 Maintained (meter lamp, transistor, electrolytic capacitor, film capacitor, semi-fixed VR replacement solder correction, heat dissipation grease replacement, screw expansion, A/B switch disassembly and cleaning* bias and offset check output sound checked. (*A class B class changeover switches can be burdensome if switched during operation, so please switch to the power off state.)
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 disposal price has been reduced! Member discounts are not applicable. 2024/6/1 sales price 378,000 yen Maintained! The flagship model of the Macintosh power amplifier with a silver panel. It is characterized by its strong, dense sound. The extrusion is strong and goes great with JBL large monitor speakers. The dynamism in the mid to low range, which is difficult to obtain with current Mackin power amplifiers, is attractive. There are scratches and stains on the exterior, and rust can be seen on the top plate and back panel (Mizusaki Ryo)
Maintenance information: 2024.6.1 maintained (transistor in driver board, LDR, capacitor deterioration, GAIN, VOL noise, meter board capacitor deterioration, power supply board capacitor deterioration, meter lamp, display lamp deterioration → replacement. Meter dismantling terminal lead wire soldering treatment, MODE SW dismantling cleaning, operation check, power stage check OK)
Accessories: power cord, 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. 2024/5/19 sales price 54,800 yen ※Currently sold. JBL/UREI professional power amplifier Dynamic sound with clear contours and momentum. The driving power that makes it easy to drive even large speakers at a high volume is attractive. It can also be used as mono power by connecting to a bridge. There are conspicuous abrasions on the exterior and top plate, and a feeling of use such as dullness and scratches can be seen (Kobayashi Hitoshi)
Maintenance information: 2024.5.19 Operation confirmed
Accessories: none
Main specifications: 150W+150W (8Ω) 300W+300W (4Ω) input 2 systems (phone/XLR) W483 x H180 x D260 mm approx. 20 kg
This is a thin power amplifier from Soul Note. Although it is a compact size, it boasts a 30W+30W (8Ω) output, and is highly capable of not losing sound even when playing at low volume levels. It has high resolution, instantaneous power, and excellent cost performance. As for the exterior, there is a scratch on the top plate (Mizusaki Ryo)
Maintenance information: 2024.7.15 Operation confirmed
Accessories: power cord
Main specifications: 30W x 2 (8Ω) 45W x 2 (4Ω) total harmonic distortion ratio 0.2% (10Hz to 100kHz 15W 8Ω) frequency characteristics 5Hz to 300kHz S/N ratio 115dB W420 x H98 x D231 mm weight 6 kg
The price has been reduced! 2024/6/30 sales price 74,800 yen ※Inexpensive due to deterioration of urethane paint. Maintained. The 606 is thick and unimaginable from its compact exterior. The good sound unique to QUAD allows you to enjoy not only classical music, but also jazz vocals in a mild way. The high level of musicality that makes you enjoy the music with a pleasant tone stands out. Exterior and paint deterioration are conspicuous, and a feeling of use such as dullness, abrasions, etc. can be seen (Kobayashi Hitoshi)
Maintenance information: 2024.6.28 maintenance (power stage/driver stage TR check → OK, DC INPUT bypass C gain setting C replacement, other C/R checks, operation tests)
Accessories: power cord, instruction manual (copy)
Main specifications: output 140W+140W (8Ω) W321×H140×D238mm 12kg
The price has been reduced. 2024/7/6 sales price 45,000 yen A power amplifier with a simple design that is easy to use. The good SNR and delicate sound quality are compatible with a wide range of preamps. It is an amplifier with a sense of attention to detail, such as a warm-up meter that can check the heat-up state and a German WBT speaker terminal. Serial MZ009935010196 (Takasaki Atsushi)
Maintenance information: 2024.7.6 operation confirmed
Accessories: power cord, copy of instruction manual
Main specifications: 60W+60W (8Ω) 80W+80W (6Ω), 100W+100W (4Ω) W458 x H110 x D407 mm 15.5 kg
The disposal price has been reduced. Member prices are not applicable. 2024/3/7 sales price 128,000 yen Maintained! A crisp, bright, and sharp sound typical of Marantz from the 1970s. Exactly, it's an American sound on the west coast. The design is also a simple design typical of US Marantz. ※The leg is out of stock. The exterior has dullness and small scratches. Serial 4180 (Yonejima Satoshi)
Maintenance information: 2024.3.7 Maintained (single CH power stage transistor replacement. Screwdriver transistor resistor replacement. Drive Tr Capacitor Replacement Contact polishing, aging test)
Accessories: No accessories
Main specifications: 125W+125W (8Ω) W445 × H170 × D265 mm 14.8 kg
The disposal price has been reduced! Member price 2024/4/19 sales price 79,800 yen ※1 unit only. Maintained! It is originally a professional mono amplifier, but there is only 1 unit. You can feel the strong power of the sound quality even with just one unit. It seems to be useful for mono and center speakers. There are scratches and paint peeling on the exterior. Serial Q001769 (Fujisawa Yukishi)
Maintenance information: 2024.4.19 Maintained (XLR speaker cable created (3 meters)). Electrolytic capacitor replacement. ATT cleaning. Solder correction. Rubber feet added. Bias offset check. Output audio check. Input ① GND ② HOT ③ GND (unbalanced) output ① not used ② is set to plus ③ minus 8 Ω load. (Also, a popping sound is made when the power is on and off, but this is a specification)
Accessories: speaker cable, power cable
Main specifications: 8 ohms W482.6 x H88 x D320 mm weight 13 kg
Maintained. The 606 is thick and unimaginable from its compact exterior. The good sound unique to QUAD allows you to enjoy not only classical music, but also jazz vocals in a mild way. The high level of musicality that makes you enjoy the music with a pleasant tone stands out. Exterior and paint deterioration are conspicuous, and a feeling of use such as dullness, abrasions, etc. can be seen (Kobayashi Hitoshi)
Maintenance information: 2024.6.30 Maintained (DC INPUT bypass C gain setting C replacement in L/R block, power stage TR/drive stage TRall check OK, operation check)
Accessories: power cord, instruction manual
Main specifications: output 140W+140W (8Ω) W321×H140×D238mm 12kg
The disposal price has been reduced! (Member discounts are not applicable) 2023/5/9 sales price 198,000 yen Maintained! This power amplifier was released around the same time as the SG620. It combines 100W+100W driving power with good sharpness. It reproduces thick sounds unique to JBL from a simple design with only a power switch on a black body. It goes well with 70' SJBL speakers and drives exhilarating. The exterior has front scratches, bends on the power switch, scratches, and repair marks on the top plate. Serial 10623 (Yamato Yuki)
Maintenance information: 2024.3.2 Maintained (timer relay installed (speaker will be turned on 5 seconds after power is turned on. (Please turn off the VOL when the power is on). Power SW bending correction (deformation of the knob itself is not compatible). Power stage Tr check. (Replacement of Tr in the board, level VOL, fuse holder, and C in the power supply board)
Accessories: power cable
Main specifications: T-type circuit adopted 100W+100W W432 ✕ H132 ✕ D355mm 19kg
Maintained in 2023/12! A stereo power amplifier that takes into account ease of use in multi-channel systems, a must-see for multi-channel systems! Contrary to its cute size, it has quite a bit of driving power. The sound is energetic and fresh, just like Sony of this era. There is a feeling of use on the exterior such as line damage or dullness. Serial 205245 (Tomoho Asaine)
Maintenance information: 2023.12.5 maintained (power supply micro SW deterioration replacement, semi-fixed VR replacement for bias adjustment, input RCA terminal L/R poor contact exchange transistors with noise at 2 locations, other DC bias adjustment connection sound confirmation)
Accessories: none
Main specifications: 40W+40W (8Ω) W200×H149×D320 mm 6.5 kg
Dayton Audio's small power amplifier. Designed to be just the right size for a desktop, this is one that can be loud enough for a small speaker. It also has a headphone jack, so it can also be used as a headphone amplifier. The exterior is dull. Serial V200004300 (Tamura Eiji)
Maintenance information: 2024.5.30 Operation confirmed
Accessories: AC adapter
Main specifications: 60W+60W (4Ω) W117 x H44 x D79 mm dead weight 1.23 kg
Maintained! A power amplifier using the AB/LR independent power supply system, which is a further development of the A class B class 2 independent power supply system. Contrary to its solid appearance, it has a beautiful sound with a sense of transparency. The sound quality is moderately tight and firm, and it naturally handles crisp and energetic intonation expressions. The exterior has small scratches and dullness appropriate for the model year (Oikawa Tetsuji)
Maintenance information: 2024.5.12 Maintained (replacement of defective output relay contacts. (Replace deteriorated capacitors in power supply circuits and other circuits)
Accessories: none
Main specifications: 100W+100W (8Ω) compatible speakers 4Ω to 16Ω SNR 110dB W420 x H166.5 x D300 mm 19.2 kg
The price has been drastically reduced! 2024/1/18 sales price 49,800 yen Maintained! An American-made amplifier from the 1970s that can hardly be seen today. Circuits for self-preservation, such as security, correction, and protection, have been cut off, and I think that handsome atmosphere is well reflected in the sound. It has the same feeling of use as the model year (Daiki Goto)
Maintenance information: 2024.1.18 Maintained (check capacitors, resistors, transistors, etc. as is OK. bias check)
Accessories: none
Main specifications: size (actual measurement) W406 x H155 x D327 mm weight (actual measurement) 12.2 kg
The disposal price has been reduced! (Member discounts are not applicable) 2024/1/18 sales price 49,800 yen Maintained! An American-made amplifier from the 1970s that can hardly be seen today. Circuits for self-preservation, such as security, correction, and protection, have been cut off, and I think that handsome atmosphere is well reflected in the sound. It has the same feeling of use as the model year (Daiki Goto)
Maintenance information: 2024.1.18 Maintained (LED installation (original not available) poor power stage transistor deterioration, defective transistor in the board → replacement. Bias adjustment, operation check.)
Accessories: none
Main specifications: size (actual measurement) W406 x H155 x D327 mm weight (actual measurement) 12.2 kg
The disposal price has been reduced (member prices are not applicable). 2023/11/26 Sales price 128,000 yen Maintained in 2022/6! An eye-catching power amplifier with its black and large power meter typical of Sansui. It entertains me with its power, which can be felt from its appearance, and its supple, stretchy sound quality. The exterior has dullness, scratches, rust, etc. over time (Oikawa Tetsuji)
Maintenance information: 2022.6.23 Maintained (both channel volumes replaced. SP relay bad contact replacement. Replace protectors, deteriorated transistors, resistors, and diodes in meter boards. Replace deteriorated transistors and resistors in the power supply board. Replace deteriorated transistors and capacitors in the drive board. OUTPUT selector switch cleaning. (General adjustment)
Accessories: none
Main specifications: left and right independent 2 power supply diamond differential circuit effective output 110W+110W (8Ω) load impedance 4 to 16 ohms W482 x H187 x D450 mm 20.3 kg
The price has been drastically reduced. 2024/3/2 sales price 99,800 yen Maintained! professional monitor amplifier It has strength unique to commercial use, and the driving power in the low range is truly remarkable. However, it also has a strong sense of temperature typical of a quad, so it is an amplifier that I would like people who are shunned when the sound is too straight for commercial use to try it once. You can see a feeling of use, such as appearance, dullness, abrasions, etc. (Kobayashi Hitoshi)
Maintenance information: 2024.3.2 maintained (internal dismantling all check, Tr, C, R check, ±B INPUT bypass C replacement, Tr, R, etc., all OK, INPUT photocoupler check, operation check)
Accessories: copy of instruction manual, power cord, dedicated SP cord (cable length 2.5 m)
Main specifications: 100W+100W (8Ω) W483 × H88 × D310 mm 12.5 kg
The disposal price has been reduced. Member discounts are not applicable. 2024/3/20 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. You can see a feeling of use such as appearance, dullness, abrasions, scratches, stains, etc. (Kobayashi Hitoshi)
Maintenance information: 2024.3.19 maintenance (DIN connector replacement, resistance in both other channels, capacitor replacement, each Tr all check)
Accessories: connection cable, 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
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 is a feeling of use such as dullness. Serial 3121 (Takasaki Atsushi)
Maintenance information: 2024.3.22 maintained (INPUT DIN4P and AC connector replacement, DIN4P-RCA x 2 (1m) creation, internal check, DC cut C, coupling C replacement, RCH offset VOL exchange, constant change in constant voltage circuit)
Accessories: copy of manual, power cord, connection cord
Main specifications: 45W+45W W120×H159×D324mm 8.2 kg
※There are no operation confirmation issues, but since it is for business use, it will be handed over as is without warranty. It is an attractive amplifier with a maximum output of 100W during 4-channel operation, and the strength unique to commercial use. There is a feeling of use such as scratches and dullness on the exterior as a whole (Ryo Mizusaki)
Maintenance information: 2024.2.3 sound output confirmed
Accessories: none
Main specifications: 80 W x 4 (8 Ω continuous output) 100 W x 4 (4 Ω continuous output) 200 W (BTL 8 Ω continuous output) W480 x H88 x D417 mm weight 12.5 kg