*The input has been changed to an XLR terminal. Genuine RF mono type. The brilliant, precise, and smooth tone, texture, and high expressiveness are truly CELLO! As for the exterior, there are small scratches and scratches on the top plate. Serial 0388/0388 (Yonejima Satoshi)
Maintenance information: 2025.10.25 Operation confirmed (I checked the interior and confirmed that it has been maintained)
Accessories: power cable
Main specifications: 60W+60W W240 x H110 x D338 mm 6.3 kg
The price has been reduced! 2025/10/23 sales price 118,000 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 exterior condition has dullness and scratches over time. Serial 1760 (Yamato Yuki)
Maintenance information: 2025.10.23 Maintained (fuse holder, C in the output mute circuit, Tr in the board, replacement of other missing capacity Tr, output mute relay contact polishing, operation check)
Accessories: A copy of the English instruction manual
Main specifications: 125W+125W (8Ω) W445 × H170 × D265 mm 14.8 kg
The disposal price has been reduced. Member prices are not applicable. 2025/10/22 sales price 798,000 yen First arrival at Hi-Fi Hall. Comes with original box Mono power amplifier from Classé, Canada. Equipped with unique IC Tunnel technology, internal heat dissipation is managed by sensors and processors. At the store, it was connected to the CP-800, which arrived at the same time, and I was able to enjoy jazz, fusion, etc. with a very thick sound. There are no noticeable scratches and it is in good condition (Sasaki Shota)
Maintenance information: 2025.10.20 Operation confirmed
Accessories: instruction manual, power cord, original box, short pin, USB memory
Main specifications: rated output 300W+300W (8Ω) 600W+600W (4Ω) W444 x H223 x D445 mm 34 kg
The price has been reduced. 2025/10/20 sales price 498,000 yen Maintained. Genuine Electri 100V specification, black model. Macintosh's high-power amplifier with stereo output and 600W on one channel. Balanced inputs are also supported, and connections to high-end class balanced amplifiers are also being considered. It is characterized by a sound with plenty of room to resonate loudly rather than being as powerful as if power was pushed to the front. There are small dullness scars (Sasaki Shota)
Maintenance information: 2025.10.20 Maintained (meter lamp off → replaced. C deterioration in the driver board → replacement. Power stage transistor check OK. Partial pattern corrosion → correction. GAIN VOL, MODESW cleaning, operation check)
Accessories: copy of the manual. power cable
Main specifications: 600W+600W (stereo) 1200W (mono) W483 x H267 x D457 mm 59 kg
※6 month warranty With optional volume! L Sound's small power amplifier. It's a clear, colorless sound typical of the El Musa series with the catchphrase “nothing added, nothing subtracted.” Small scratches and abrasions are scattered on the front panel (Murakoshi Yoichi)
Maintenance information: 2025.10.23 sound output confirmed
Accessories: power cord
Main specifications: 7W+7W W141 x H59 x D284 mm 2.2 kg
The disposal price has been reduced! (Member prices are not applicable) 2025/10/12 sales price 128,000 yen Maintained! The QUAD405 is full of appeal and makes you listen to the overall 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
The price has been reduced. 2025/8/24 sales price 79,000 yen Maintained including replacement of 1 transistor and 6 capacitors. 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. Overall there is dullness (Oikawa Tetsuji)
Maintenance information: 2025.8.24 Maintained (±b bypass C in both CH boards, gain setting C replacement Lch power stage Tn x 1, poor characteristics → replacement
Operation test)
Accessories: power cable
Main specifications: output 140W+140W (8Ω) W321×H140×D238mm 12kg
The disposal price has been reduced! (Member prices are not applicable) 2025/10/6 sales price 198,000 yen All power transistors have been replaced, contact cleaning and polishing, etc. have been thoroughly maintained! Luxuriously handmade stereo power amplifier. You can feel the high level of fine texture unique to Class A, and you can feel the good workmanship of this car. It flexibly reproduces female vocals and stringed instruments. The SP terminal is partially chipped or cracked. Serial XD1001279M (Fujisawa Yukishi)
Maintenance information: 2025.10.6 Maintained (all power transistors and small signal transistors replaced, miswiring corrected. Cleaning, polishing, and anti-oxidation treatment of the contact points of each changeover switch and protection relay. DC offset voltage, idle current adjustment)
Accessories: No accessories
Main specifications: Class A stereo power amplifier 50W+50W (8Ω) W468 x H206 x D385 mm weight 27.3 kg
Maintained! A power amplifier from the USA Marantz era. The compact yet powerful American sound is attractive. It works great with speakers that make a lot of noise, such as JBL, and you can enjoy an exciting sound that is clear. As for the exterior, paint deterioration, rust, and abrasions can be seen on the top surface. Serial F090265 (Tomonori Asaine)
Maintenance Information: 2025.10.19 Maintained (AC cable replacement)
2025.8.16 Maintained (meter check, internal lamp check, Lch power stage replacement, output relay, polishing treatment relay, C replacement in the circuit)
Accessories: copy of instruction manual
Main specifications: 80W+80W (8Ω) damping factor 30 (8Ω) power meter (sensitivity can be switched in 3 levels) mounted dimensions W358 x H120 x D273 mm weight 11 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
The disposal price has been reduced. Member prices are not applicable. 2025/7/4 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 (Daiki Goto)
Maintenance information: 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
Maintained. Luxman BTL compatible power amplifier. The appeal is that it has a slightly different appeal, with a more powerful and energetic sound than the current model. The left and right volumes are attached, so it's easy to use. The exterior has stains, dullness, and small scratches over time (Oikawa Tetsuji)
Maintenance information: 2025.10.16 Maintained (disassembled and repaired due to power switch contact sparks. Left and right main amplifier board soldering correction. Output board soldering correction. BTL changeover switch disassembly contact polishing. Input volume contact correction. (Disassembly and internal cleaning)
Accessories: none
Main specifications: 200W+200W (8Ω) BTL compatible 700W W438 x H178 x D431 mm 17.7 kg
Maintained! Genuine Electri A 300W+300W class power amplifier introduced as a successor to the MC7300. As a matter of fact, the driving ability with a sense of stability and a rich tone with a low center of gravity are amazing. A balanced connection is also possible when combined with a C40 or the like. There are small scratches on the exterior, but they are not noticeable (Wang Zhan)
Maintenance information: 2025.10.11 Maintained (meter illumination lamp replacement. * Since the original meter lamp is not possible, it will be replaced with an 80mA type, and it will be slightly darker. (Replace 8 capacitors in the driver board and check operation)
Accessories: instruction manual, power cable
Main specifications: 300W+300W (2/4/8Ω) built-in output transformer W445 x H187 x D480 mm 35.8 kg
The disposal price has been reduced! (Member prices are not applicable) 2025/9/16 sales price 378,000 yen ※There is a slight tobacco smell. Maintained! Genuine Yamagiwa product. ※The power supply has been changed to a normal 3P inlet. The balance between thickness and sharpness of the sound is good, and the sound conveys the breath of jazz and rock. The thick sound image and rich mid-range, which cannot be enjoyed with today's amplifiers, are exquisite. The range is moderate but the Old McKinn sound has instantaneous power. The slightly smokier tone than the MC2500 is attractive. On the exterior, you can see scuffs and rust. Also, there is yellowing. (FUJISAWA KOSHI)
Maintenance information: 2025.9.16 Maintained (internal wiring corrected. Pin jack, meter lamp, power stage Tr x 1, meter adjustment VOL replacement. MODE switching SW, meter switching SW dismantling cleaning, VOL cleaning. Other C, R, etc. have been replaced. (Each connector can be cleaned and checked for operation)
Accessories: power cord
Main specifications: 300W+300W (mono 600W) 0.5 to 16 ohms W483 x H267 x D432 mm 58.1 kg
Disposal price has been reduced (member prices are not applicable) 2025/10/5 sales price 178,000 yen Maintenance was completed in 2024/1! Ampzilla is a famous machine that brought fame to the world by the genius James Bongiorno. It features a tenacious and powerful sound. The match with Tedra of the same GAS is excellent. In addition to the exterior and SP terminals being replaced, there is a feeling of use such as cloudy paint threads, small scratches, and abrasions. Serial 110697 (Yonejima Satoshi)
Maintenance information: 2025.4.26 maintained (dismantled lamp replacement) 2024.1.16 maintained (transistor array short in Rch power bias circuit → replaced to adjust with Tr, check both other CH power stages OK, coupling C, bypass C, etc. → replacement, SP fuse holder adhesive fixing, internal and external cleaning, operation check)
Accessories: No accessories
Main specifications: 200W+200W (8Ω) W445 × H178 × D229 mm 22.7 kg
The price has been reduced! 2025/10/8 sales price 79,800 yen Maintenance was completed in 2023/10. 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. The exterior has dullness and small scratches over time. (Satoshi Yonejima)
Maintenance information: 2023.10.3 maintained (with transporter, sponge bolo → anti-vibration rubber installation, replacement of 6 C deterioration in the board, power stage TROK, operation check)
Accessories: copy of instruction manual, power cable
Main specifications: output 140W+140W (8Ω) W321×H140×D238mm 12kg
The disposal price has been reduced. Member discounts are not applicable. 2025/9/14 sales price 158,000 yen Maintenance completed, including electrolytic capacitor replacement, rotary switch disassembly and polishing, etc. Accuphase first generation power amplifier. Unlike today's company's tone, the wild sound with a strong punch is attractive. It goes well with jazz and rock. You can see a feeling of use such as appearance, dullness, small scratches, etc. (Kobayashi Hitoshi)
Maintenance information: 2025.9.14 maintenance completed (smooth capacitor replacement output relay replacement rotary switch disassembly polishing cleaning protective agent coating electrolyte cleaning anti-corrosion treatment bias and offset check output voice check)
Accessories: copy of instruction manual, power cable
Main specifications: rated output 150 W/ch frequency characteristics 20 Hz to 20,000 Hz W445 × H152 × D355 mm 25 kg
The price has been drastically reduced. 2025/9/19 sales price 99,800 yen The pilot lamp has been carefully maintained, from replacing pin jacks to replacing 22 transistors and 28 capacitors. A stereo power amplifier using a DC amplifier system. The power supply unit is equipped with 2 independent power transformers on the left and right sides. The powerful and clear sound emanating from the sturdy body is impressive! The well-designed analog meters are beautiful. You can enjoy all genres with very good extrusion and a sound that is not addictive. The exterior has small scratches and dullness (Hiura Katsuji)
Maintenance information: 2025.9.17 Maintained (output relay, meter lamp replacement, pin jack processing replacement, power switch, protection lamp replacement. Replace 4 differential circuit FETs in the power amplifier section. (4 transistors, 2 capacitors, meter circuit transistors, capacitor replacement, solder repair, internal inspection and cleaning, operation confirmation)
Accessories: none
Main specifications: rated output 100W+100W (4Ω) 85W+85W (8Ω) transmission frequency characteristics DC to 100kHz W410 × H200 × D285 mm 17 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 are dullness, small scratches, etc. appropriate for the model year (Oikawa Tetsuji)
Maintenance information: 2025.9.22 maintained (CA 4PIN conversion cable (1M) acquisition and installation, input terminal solder repair, main amplifier part solder repair, internal inspection and cleaning, running test)
Accessories: power cable, connection cable, copy of instruction manual
Main specifications: 45W+45W W120×H159×D324mm 8.2 kg
The disposal price has been reduced! (Member discounts are not applicable) 2025/8/29 sales price 118,000 yen QUAD is a power amplifier that combines a wide range and high signal-to-noise level with traditional, high-texture tones. 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
We are carrying out maintenance such as replacing transistors and cleaning contacts in 2023. The Macintosh 7000 series stereo power amplifier was announced to coincide with the advent of the CD era. The thick and gorgeous sound typical of the company is attractive. Dullness over time, there are small scars (Murakoshi Yoichi)
Maintenance information: 2023.6.21 maintained (power stage Tr x 1 defective disconnection, diode disconnection, driver Tr x 2 failure, lamp switching replacement, power supply board capacitor deterioration replacement, SW, VOL cleaning, each connector cleaning, driver board capacitor, resistance, etc., panel peeling correction)
Accessories: instruction manual (copy)
Main specifications: 270W+270W power guard circuit equipped with frequency characteristics 20 to 20 kHz damping factor 30 W 443 x H240 x D400 mm 37.2 kg
The disposal price has been reduced! (Member prices are not applicable) 2025/9/3 sales price 198,000 yen Maintained including replacement of 94 transistors, 33 capacitors, and 14 semi-fixed resistors! The diamond called Yamaha FET shows off its excellent purity and transparency. It is a model with superior musical expression than the late model B-2X, and the natural sound typical of Yamaha at the time is attractive. The exterior has small scratches over time, rust spots, etc. (Oikawa Tetsuji)
Maintenance information: 2025.9.3 Maintained (output relay replacement, long test) 2024.12.26 Maintained (transistors have been replaced to some extent before. Replace the drive transistor etc. that have not been replaced. Relay replacement. Switch contact polishing. Meter level adjustment amplifier circuit adjustment. Polish the input terminals, etc. (Internal dismantling and cleaning)
2017.2.6 Maintained (resistor, diode, transistor, capacitor, heat dissipation sheet, semi-fixed resistor, VR, AC cord, SP terminal replacement. RCA terminals, SW cleaning Board cleaning and re-soldering. (*The meter has deteriorated slightly)
2024.12.26 Maintained (drive transistor replacement not replaced in previous repairs. Defective relay contact replacement. Switch contact polishing. Meter level adjustment amplifier circuit adjustment. Polish the input terminals, etc. (Internal dismantling and cleaning)
Accessories: copy of instruction manual
Main specifications: 100W+100W DC amplifier configuration with peak level meter W436 x H151 x D370 mm 26 kg
The disposal price has been reduced. Member discounts are not applicable. 2025/8/31 sales price 128,000 yen 2023/10 maintenance completed. Quad power amplifier Despite its compact body, you can enjoy a smooth, thick sound. It really goes well with speakers made in England, and makes you listen to 70s analog sound with a sense of dynamism. You can see a feeling of use, such as appearance, dullness, abrasions, etc. (Kobayashi Hitoshi)
Maintenance information: 2023.10.13 maintenance completed (internal parts dismantling check, power Tr, driver Tr, etc., etc. C, R, etc. can all be checked. Burning was corrected due to partial heat generation on both channel board patterns. The RCA terminal, input volume installation (expansion), Din terminal, SP terminal, and block capacitor have been replaced. (The input/output waveform was checked, left and right balance checked, load tests, and comprehensive operation tests were performed to confirm normal operation.)
Accessories: power cable, instruction manual (copy)
Main specifications: 100W+100W frequency characteristics 20 to 20 kHz dimensions W341 x H115 x D195 mm weight 9 kg
The price has been drastically reduced. 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
The disposal price has been reduced. Member discounts are not applicable. 2025/8/3 sales price 99,800 yen. Maintained! A power amplifier with a large VU meter and attractive lighting. The straight, light, and sharp sound is impressive. The straightforward sound quality with few quirks makes it sound great in any genre. There are appearance, scratches, rust, and dullness. Serial A01107D167 (Kanai Hidetsugu)
Maintenance information: 2025.8.3 maintenance completed (12 locations replaced from meter lamp LEDs to lamps with leads on both ends. Replace 2 transistors 2 SC3421 and 2 SA1358 each. Speaker relay main/remote replacement. ATT volume disassembly contact cleaning. OUTPUT push SW, speaker main/remote push SW disassembly contact polishing grease application. DC idling/DC balance adjustment)
Accessories: copy of instruction manual
Main specifications: 120W+120W (8Ω) 160W+160W (4Ω) W430 × H178 × D416 mm 18.4 kg
The price has been drastically reduced. 2025/8/1 sales price 59,800 yen ※A trance growl will occur, but this cannot be corrected. Maintenance completed in 2019. Dinaco's transistor stereo power amplifier was developed by applying technology obtained with tubular amplifiers to semiconductor circuits. It is a sound that allows you to broadly enjoy the atmosphere without requiring precise expression of sound. There is a feeling of use (Murakoshi Yoichi)
Maintenance information: 2019.8.9 maintained (internal dismantling check, LCH power stage TR/constant voltage TR characteristics defective/circuit board coupling C interruption/capacity loss → replacement, operation check OK)
Main specifications: 60W+60W W330 x H104 x D260 mm 8 kg
The disposal price has been reduced. Member prices are not applicable. 2025/7/12 sales price 128,000 yen Maintained! Quad power amplifier Despite its compact body, you can enjoy a smooth, thick sound. It really goes well with speakers made in England, and makes you listen to 70s analog sound with a sense of dynamism. There is dullness and small scratches (Sasaki Shota)
Maintenance information: 2025.7.12 Maintained (drive transistor (BD244 x 4), power transistor (MJ15024G x 1), and original differential op amp (TL071 x 2) parts were replaced. The connection cord and power cord have been attached.
Input/output waveform confirmation, left and right sound pressure level checks, load tests, and comprehensive operation tests were performed to confirm normal operation) 2025.6.9 maintained (there is a pattern short in the board, poor output board mounting, capacitor deterioration, block C lead wire soldering, driver transistor deterioration, operation check)
2024.8.6 Maintained (all internal parts checked, LCH power stage TR x 1 half short NG replacement, DC cut C replacement within the board, replacement of bottom cover rubber foot defects, operation check)
Accessories: copy of manual, power cable, connection cable
Main specifications: 100W+100W frequency characteristics 20 to 20 kHz dimensions W341 x H115 x D195 mm weight 9 kg
The disposal price has been reduced. Member discounts are not applicable. 2025/7/5 sales price 128,000 yen Maintenance has been completed, such as replacement of deteriorated capacitors and transistors. Quad power amplifier. Despite its compact body, you can enjoy a smooth, thick sound. It really goes well with speakers made in England, and makes you listen to 70s analog sound with a sense of dynamism. Exterior, paint deterioration, dullness, rust, scuffs, etc. can be seen (Kobayashi Hitoshi)
Maintenance information: 2025.7.5 maintenance completed (block C, VOL, rubber feet, power stage Tr, C and R replacement in the board. Input cable creation (DIN4P-RCA female) operation check)
Accessories: instruction manual, power cable, connection cable
Main specifications: 100W+100W frequency characteristics 20 to 20 kHz dimensions W341 x H115 x D195 mm weight 9 kg