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Manufacture | Model/Title | Price | Arrival date

SU-V100DJapan

Ask 26-49213-05711-00
SU-V100D
Manufacture:Technics
Original price: JPY 198,000
Price: JPY 102,727
Japan 1987 made
Shop: Osu shop
Arrival: 2026-04-16 20:10:07
description
The disposal price has been reduced. Member prices are not applicable. 2026/4/16 sales price 148,000 yen Maintained! Heavyweight premain amplifier manufactured by Technics. It is equipped with a twin-mono power amplifier with independent L/R. The high degree of perfection shines through, with a tight, tough sound and a powerful sound in a wide range (Daiki Goto) Maintenance information: 2026.4.16 Maintained (switch disassembly contact polishing. Replace all selector tact switches. Replace 8 deteriorated capacitors in the left and right main amplifier circuits, and replace 4 current adjustment volumes. (Replace 4 deteriorated capacitors in the power supply circuit.) Accessories: none Main specifications: 150W+150W (6Ω) twin transformer structure LINE 3 system input, TAPE 2 system input/output, PHONO (MM/MC), DIGITAL COX/OPT input 32/44.1/48kHz W478 × H183 × D453 mm 28.5 kg

A-10 TYPE2Japan

Ask 26-49706-09997-00
A-10 TYPE2
Manufacture:NEC
Original price: JPY 109,800
Price: JPY 161,818
Japan 1984 made
Arrival: 2026-05-04 20:05:53
description
2021/12 POWER amplifier LEVEL volume x 2 replaced, main VR disassembly, cleaning, etc. maintenance completed. The power supply lamp was converted to LED in September 2020, and full maintenance was completed, such as replacing transistors, capacitors, fuses, heat dissipation sheets, IC relays, resistors, semi-fixed resistors, diodes, power supply SW/SP terminals, etc. The second-generation premain amplifier for NEC's masterpiece A-10. Occasionally, it makes a surprising sound that touches the strings. It drives jazz and rock briskly with thick low frequencies and clear mid-high frequencies. Another reason for its popularity is that it is easy to separate power from pre. There is a feeling of use on the exterior, such as stains and dullness on the left side of the front panel, scratches on the VOL, paint peeling, etc. Serial 04Y0959 (Takasaki Atsushi) Maintenance information: 2021.12.25 maintenance completed (POWER AMP LEVEL volume x 2 replacement, main VR disassembly, cleaning, input/output waveform confirmation, left and right balance confirmation, load test, comprehensive operation test to confirm normal operation, input/output waveform confirmation, rated output test (1kHz sine wave, at 8Ω load: 60W+60W, OK), sound output test) 2020.9.21 maintained (power lamp converted to LED, (Transistors, capacitors, fuses, heat dissipation sheets, IC relays, resistors, semi-fixed resistors, diodes, and power supplies SW/SP terminal replacement, re-soldering after removing old solder from substrates, switch relay/VR contact cleaning, RCA terminal cleaning/plating processing, circuit adjustment, exterior cleaning, confirmation of each input/output, running test) Accessories: copy of instruction manual Main specifications: output 60+60W (8Ω) phono MM/MC W430 × H150 × D430 mm 23.2 kg

L-505S2Japan

Ask 26-49757-10389-00
L-505S2
Manufacture:LUXMAN
Original price: JPY 195,000
Price: JPY 143,636
Japan 1999 made
Arrival: 2026-05-05 20:00:07
description
Comes with a remote control. It has a relaxed, elegant, and elegant sound quality that is as luxurious as it looks, and even speakers with solid sound quality can pick up the sound and give it a round, soft impression. The power meter placed in the center also feels very tasteful. There are no visible scratches on the exterior, etc., and it is only dull (Kobayashi Hitoshi) Maintenance information: 2026.5.4 operation confirmed Accessories: remote control, instruction manual, power cable Main specifications: 80W+80W (8Ω) W465 x H178 x D379 mm 19 kg

AU-D607G EXTRAJapan

Ask 26-49567-08839-00
AU-D607G EXTRA
Manufacture:SANSUI
Original price: JPY 79,800
Price: JPY 72,545
Japan 1983 made
Arrival: 2026-05-05 19:50:29
description
Maintenance has been completed with attention to detail, such as 16 transistors, 6 capacitors, adjustment volume replacement, etc. Pre-main amplifiers in the heyday of SANSUI. It is compatible with MC cartridges and has a full range of phono functions. The well-balanced low frequencies and comfortable high frequencies enhance analog playback. Serial 673112443 (Takasaki Atsushi) Maintenance information: 2026.5.2 maintenance completed (main volume dismantled and cleaned, knob fixed. Balance volume exchange. Output relay replacement. Switch disassembly and polishing (input selector, reck-out, tone, subsonic, muting, tape). Main amplifier transistors (16 pieces) and Mylar capacitors (4 pieces) adjustment volume exchange. Phono circuit Mylar capacitors (2 pieces) were replaced. Power supply floating resistor replacement. Power cord replacement. Replace the power switch. Bass and treble volume sonic cleaning. Solder repair, REC selector shaft correction, pin jack polishing, adjustment inspection) Accessories: copy of instruction manual Main specifications: output 90W+90W (8Ω) MM/MC compatible W460 x H160 x D404 mm 13.5 kg

TA-F555ESX2Japan

This item has been sold.You can't purchase now. 26-49481-08043-00
TA-F555ESX2
Manufacture:SONY
Original price: JPY 128,000
Price: JPY 90,727 Sold Out
Japan 1995 made
Arrival: 2026-04-06 20:11:48
description
From replacing deteriorated parts in 2025/11, maintenance such as disassembly contact polishing etc. for switches etc. has been completed! Recommended for those who enjoy all genres of music. It seems to be an amplifier manufactured during the heyday of audio, and it supports music with plenty of room in the mid to low range. There are scratches and chips on the side wood. Serial 200228 (Fujisawa Yukishi) Maintenance information: 2025.11.19 Maintained (speaker relay deterioration left and right replacement. Power amplifiers, drive amplifier board resistance deterioration replacement, volume VR disassembly and cleaning, speaker switches, INPUT switches, Cartrich LOAD switches, REC OUT switches, MODE switches, TONE switches, and MUTING switches are all disassembled, polished, and cleaned with grease. DC idling, DC balance adjustment. RCA input/output terminal cleaning. (Input/output terminal sound output) Accessories: instruction manual Main specifications: output 120W+120W MC compatible impedance 4Ω to 16Ω dimensions W470 x H166 x D436 mm weight 26 kg

A07 MAX

This item has been sold.You can't purchase now. 26-49523-08422-00
A07 MAX
Manufacture:AIYIMA
Original price: JPY 12,561
Price: JPY 6,182 Sold Out
Arrival: 2026-04-30 19:58:18
description
The price has been drastically reduced. 2026/4/30 sales price 8,800 yen Compact power amplifier with stereo/mono switching function. The A07 MAX with a 3.5mm AUX line output can be connected to the next A07 MAX (active device) to build a high-power dual-channel system and maximize the power of the audio amplifier. The exterior is generally good (Matsumoto Tsuyoshi) Maintenance information: 2026.4.30 Operation confirmed Accessories: instruction manual, power cord, original box Main specifications: chip TPA3255+NE5532P stereo large output 2x300W (4Ω) mono large output 1×600W (2Ω) Frequency characteristics 20 Hz to 20 kHz (± 1 dB) SNR 110 dB or more THD+N 0.007% or less (1 W) Operating voltage DC24-48V

A07 MAX

This item has been sold.You can't purchase now. 26-49523-08423-00
A07 MAX
Manufacture:AIYIMA
Original price: JPY 12,561
Price: JPY 6,182 Sold Out
Arrival: 2026-05-01 19:38:28
description
The price has been drastically reduced. 2026/5/1 sales price 8,800 yen Compact power amplifier with stereo/mono switching function. The A07 MAX with a 3.5mm AUX line output can be connected to the next A07 MAX (active device) to build a high-power dual-channel system and maximize the power of the audio amplifier. The exterior is generally good (Tomonori Asae) Maintenance information: 2026.5.1 operation confirmed Accessories: instruction manual, power cord, original box Main specifications: chip TPA3255+NE5532P stereo large output 2x300W (4Ω) mono large output 1×600W (2Ω) Frequency characteristics 20 Hz to 20 kHz (± 1 dB) SNR 110 dB or more THD+N 0.007% or less (1 W) Operating voltage DC24-48V

E-211Japan

This item has been sold.You can't purchase now. 26-49716-10058-00
E-211
Manufacture:Accuphase
Original price: JPY 190,000
Price: JPY 156,364 Sold Out
Japan 1998 made
Shop: Osu shop
Arrival: 2026-05-02 20:10:24
description
The price has been reduced. 2026/5/2 sales price 178,000 yen ※The remote control and back plate are being ordered. Accuphase entry class pre-main amplifier. It is a model with excellent cost performance, and you can enjoy clear high frequencies and high resolution accuphase sound. The exterior has a small scratch on the side of the front panel. There is dullness in the INPUT selector (Mizusaki Ryo) Maintenance information: 2026.5.2 operation confirmed Accessories: power cable Main Specifications: Power MOS-FET 90W+90W (8Ω) Load Impedance 4Ω to 16Ω Frequency Characteristics 20Hz to 20kHz Power Consumption 336W (at 8Ω load rated output) W475 × H150 × D422mm 18.5 kg

A-UK1Japan

This item has been sold.You can't purchase now. 26-49458-07871-00
A-UK1
Manufacture:Pioneer
Original price: JPY 35,000
Price: JPY 13,636 Sold Out
Japan 1996 made
Arrival: 2026-04-21 19:59:37
description
An attractive premain amplifier with a straightforward sound like a pioneer. It has a natural balance without excessive seasoning, and the vocals come forward cleanly with good visibility in the mid-range. The exterior is dull and there is a feeling of use such as scratches on the top plate. Serial QA1002911DM (Tomoho Asaine) Maintenance information: 2026.4.21 sound output confirmed Accessories: none Main specifications: W420 × H110 × D310 mm 5.8 kg

ELEKTRA E11UK

Ask 26-49669-09753-00
ELEKTRA E11
Manufacture:MUSICAL FIDELITY
Price: JPY 54,364
UK
Arrival: 2026-05-02 20:09:17
description
The first model in the Elektra series to follow the previous E10. With a simple configuration that omits the equalizer function, etc., the sound is glossy and warm. The exterior has a feeling of use such as dullness. Serial UB 10093 (Takasaki Atsushi) Maintenance information: 2026.5.1 operation confirmed Accessories: none Main specifications: output power (8 ohms), 60 watts, frequency response, 10 to 40000 Hz, input impedance, 47 kΩ, power consumption: 260 W, dimensions: 440 x 95 x 340 mm, weight: 9 kg

VitaUK

Ask 26-49604-09161-00
Vita
Manufacture:Aura
Original price: JPY 135,000
Price: JPY 58,909
UK 2011 made
Arrival: 2026-04-19 19:43:14
description
The price has been reduced! 2026/4/19 sales price 69,800 yen This is a tuner pre-main amplifier that separates the basic circuit of the Aura Note Premier into the CD player section and receiver section, and is housed in a beautiful, thin, and lightweight body with the same full size as the VA Series. The bright and cheerful tone, the speaker sounds mellow, and the driving power that exceeds what it looks like is also attractive. As for the exterior, there is a slight thread on the top plate. Serial VA1219C0718 (Tamura Eiji) Maintenance information: 2026.4.19 Operation confirmed (if you turn the dial quickly, the response will be poor, so please turn it slowly) Accessories: remote control, instruction manual, power cable Main specifications: FM/AM tuner built-in premain amplifier output 50W+50W (8Ω) PHONO input (MM), 2 RCA inputs, 1 XLR input, 1 USB input (48 kHz/16 bit), 1 pre-out output, W430 x H64 x D300 mm, weight 6.4 kg

T1-SJapan

This item has been sold.You can't purchase now. 26-49714-10035-00
T1-S
Manufacture:FAST
Original price: JPY 300,000
Price: JPY 86,182 Sold Out
Japan 2002 made
Arrival: 2026-04-26 20:19:54
description
The price has been reduced. 2026/4/26 sales price 99,800 yen Premain amplifier for water supply electric appliances. It has a neutral, speedy sound. It combines a moderate sense of temperature and sound field reproduction. The ease of manufacture unique to domestic production is also attractive. There is a 2nd Generation notation. There is a stain on the exterior front, and a slight dullness and feeling of use can be seen (Murakoshi Yoichi) Maintenance information: 2026.4.26 sound output confirmed Accessories: instruction manual, power cord Main specifications: 80W+80W input LINE3 system, with REC OUT W460 x H100 x D430 mm 9 kg

L-540Japan

Ask 26-49502-08175-00
L-540
Manufacture:LUXMAN
Original price: JPY 219,000
Price: JPY 130,000
Japan 1989 made
Shop: Osu shop
Arrival: 2026-04-28 20:06:46
description
The price has been reduced. 2026/4/28 sales price 148,000 yen Maintained! LUXMAN Class A premain amplifier. The bias current required in the Class A operation region is constantly flowing, and in the region exceeding Class A operation (15W+15W), it has a structure that naturally transitions to Class AB operation based on Class A, providing Class A sound quality and Class AB power. While it also has the fineness of the texture typical of Luxe, it captivates me with its powerful yet glossy sound. It is also equipped with a phono equalizer for MM/MC cartridges, making it an easy to use one. The exterior has line scratches and bumps on the top plate and sides (Mizusaki Ryo) Maintenance information: 2026.4.28 Maintained (The balance and tone volume are too small to be disassembled, so ultrasonic cleaned. The main volume and other switches are disassembled and the contacts are polished. Bad output relay contact replacement. Pre-drive in-board capacitor deterioration replacement. Main amplifier circuit idling current adjustment volume replacement. Power supply board, main amplifier board, input board, PHONO circuit, all soldering corrected. (I/O pin jack polish) Accessories: copy of instruction manual Main specifications: effective output 100W+100W (8Ω) A grade operation area 15W+15W dimensions W438 x H176 x D467 mm weight 24 kg

TA-F333ESXJapan

Ask 26-49090-04718-00
TA-F333ESX
Manufacture:SONY
Original price: JPY 79,800
Price: JPY 68,182
Japan 1986 made
Arrival: 2026-04-29 20:06:10
description
The exterior has been thoroughly maintained from top plate coating and side panel repairs, and the interior has been thoroughly maintained from polishing contacts to replacing deterioration resistors! Standard ES Primain model released in 1986. It is also equipped with a cartridge load selector, making it a perfect car for those who want to use it in a wide range of ways. The sound has momentum, and the thick sound is attractive. Serial 220929 (Takahashi Nobuyuki) Maintenance information: 2026.3.24 maintained (main amplifier part with many incombustible resistors replaced, men volume dismantling, cleaning switch disassembly and polishing (input selector, speaker, mode, tone, turnover, reck-out, cartridge, muting, source direct, subsonic, adapter) tone, balance VR sound wave cleaning ④ output relay, headphone relay, phono relay, signal relay replacement (Solder main part repair pin jack polishing, interior and exterior inspection and cleaning, bias adjustment, operation confirmation) Accessories: copy of instruction manual Main specifications: 105W+105W (8Ω) phono input mm/MC compatible dimensions W470 x H161 x D436 mm weight 18.6 kg

SQ301Japan

Ask 12-71543-70670-00
SQ301
Manufacture:LUXMAN
Original price: JPY 69,000
Price: JPY 134,545
Japan 1967 made
Shop: Osu shop
Arrival: 2026-04-28 20:06:02
description
Details such as 13 transistors, 36 capacitors, 4 adjustment volumes have been replaced, switches and volume class disassembly contact polishing, etc. have been maintained! Transistor type pre-main that looks just like the SQ38F. It has a crisp sound with firmness in the mid-range while retaining a sweet luxe stone vibe, and is recommended for both TANNOY and old JBL. The cabinet has also been repaired and finished beautifully (Oikawa Tetsuji) Maintenance information: 2026.4.8 Maintained (switch and volume class disassembly contact polishing. I/O pin jack polish. Replace 8 deteriorated transistors and 18 capacitors in the tone control circuit. Main amplifier circuit idling current adjustment volume replacement, cabinet repair) Accessories: none Main specifications: 50W+50W line input, 3 phono (mm) systems, 2 systems, pre/power separable, W476 x D275 x H180 mm, 13.6 kg

A-10 TYPE2Japan

Ask 26-49481-08044-00
A-10 TYPE2
Manufacture:NEC
Original price: JPY 109,800
Price: JPY 143,636
Japan 1984 made
Arrival: 2026-04-06 20:11:59
description
The price has been drastically reduced! 2026/4/13 sales price 178,000 yen Many deteriorated parts such as capacitors and transistors will be replaced in 2024/2! Fully restored! The second-generation premain amplifier for NEC's masterpiece A-10. Occasionally, it makes a surprising sound that touches the strings. It drives jazz and rock briskly with thick low frequencies and clear mid-high frequencies. Another reason for its popularity is that it is easy to separate power from pre. The exterior has dullness and scratches. Serial 0540359 (Fujisawa Yukishi) Maintenance information: 2024.2.23 Maintained (power lamp converted to LED. Transistor, capacitor, fuse, heat dissipation sheet, IC, relay, resistor, semi-fixed resistor, zener diode replacement. Resolder after removing old solder from substrates. Switch, relay, and VR contact cleaning. RCA terminal cleaning/plating processing, circuit adjustment, exterior cleaning, confirmation of each input/output, running test) Accessories: No accessories Main specifications: output 60+60W (8Ω) phono MM/MC W430 × H150 × D430 mm 23.2 kg

TA-1150Japan

Ask 14-83405-22574-00
TA-1150
Manufacture:SONY
Original price: JPY 49,800
Price: JPY 116,364
Japan
Arrival: 2026-04-23 19:57:28
description
Maintenance has been completed, such as disassembling and cleaning the main volume, disassembling and polishing of each switch, replacing 31 capacitors and 13 transistors! This is a Sony premain amplifier representing the 70s. The sense of extrusion and thickness has increased, yet the Sony-like outline is an appeal not found in modern amplifiers. It's an amplifier that sounds better than it looks, and is a perfect match for vintage medium speakers such as the JBL4312 series. As for the exterior, there is a scratch on the top plate. Serial 205025 (Yonejima Satoshi) Maintenance information: 2026.4.23 Maintained (main, balance volume dismantled and cleaned. Multiple switch disassembly and polishing (function, filter, speaker switching) switch polishing (monitor mode loudness turnover) bus, treble volume sound wave cleaning. Replace the power cord. Replace the power lamp. Capacitor replacement (14 tones, 2 phono, 15 power stages) Transistor replacement (5 tones, 2 phono, 6 power stages) AUX1 input volume replacement. Pin jack polishing, bias adjustment, interior and exterior cleaning, operation check. ※Since there is no relay, a pop sound is heard when the power is turned on. Push the SP only on the one you are using. (There is no sound when both are pressed.) Accessories: No accessories Main specifications: output: 35W+35W (8Ω) 40W+40W (4Ω) W400×H149×D316mm weight 8.3 kg

L-504Japan

Ask 15-86414-40011-00
L-504
Manufacture:LUXMAN
Original price: JPY 78,000
Price: JPY 90,727
Japan 1973 made
Arrival: 2025-11-01 20:06:05
description
Maintenance has been completed, including the replacement of a total of 23 deteriorated parts such as transistors and capacitors! This pre-main amplifier was announced as a successor to the SQ505. The lax sound of yesteryear has been inherited, and you can feel the nuance of warm vacuum tubes. The output is modest at 35W, but I feel that it is more powerful than the numerical value. The exterior has scratches and rust spots on the back. Serial 1101800N (Tamura Eiji) Maintenance information: 2025.11.1 Maintained (switch and volume class disassembly contact polishing. Replace 4 transistors with deteriorated protection circuits, 4 capacitors, and 8 transistors with deteriorated tone control circuits. Replace the power lamp. (I/O pin jack polish) Accessories: power cable Main specifications: output 35W+35W (8Ω) PHONOM2 system RECOUT2 system W450 x H160 x D268 mm weight 10 kg

TA-1150DJapan

Ask 17-10213-41597-00
TA-1150D
Manufacture:SONY
Original price: JPY 59,800
Price: JPY 116,364
Japan 1975 made
Arrival: 2026-04-19 19:54:52
description
In addition to replacing 36 internal capacitors and exchanging 13 transistors, we also maintained every corner, such as dismantling and cleaning each VR, disassembling and polishing each SW! Sony's original sparkling mid-high range stands out. It goes well with jazz, etc., but the smooth, glittering expression of classical music is exquisite. The exterior is in a state where there is a feeling of use such as wear and tear over time. Serial 267765 (Yamato Yuki) Maintenance information: 2026.4.18 maintained (① main, balance VR dismantling and cleaning ② multiple SW disassembly and polishing (function, filter, speaker switching) ③ switch disassembly and polishing (monitor, mode, loudness, turnover) ④ bus, treble VR sound wave cleaning ⑤ power cord replacement ⑦ capacitor replacement (14 tones, 7 phono, 15 power stages), transistor replacement (5 tones, 2 phono, 6 power stages) adjustment volume Replacement ⑧ back AUX volume replacement ⑨ pin jack polishing, interior and exterior cleaning, adjustment, inspection. Since there is no relay, it makes a pop sound when the power is turned on. When using the main speaker, only press the main one. There is no sound when the remote is pressed. (Please only press the remote when remote) Accessories: copy of instruction manual Main specifications: 35W+35W (8Ω) W400×H149×D316mm 8.3 kg

AU-D607XJapan

Ask 26-49449-07760-00
AU-D607X
Manufacture:SANSUI
Original price: JPY 69,800
Price: JPY 68,182
Japan 1979 made
Arrival: 2026-04-18 19:53:37
description
Every corner has been maintained, such as replacing 2 output relays, replacing 4 transistors, disassembling and polishing switches, etc. Upgraded model from AU-D607. The sharp punch is strong, and the sound with a sense of dynamism is superior to the α series. You can enjoy sharp and powerful sound. I recommend this car for people who like analog jazz, blues, etc. The exterior is in a state where there is a feeling of use such as dullness over time. Serial 614118150 (Yamato Yuki) Maintenance Information: 2026.4.18 Maintained (① Main Volume Replacement ② Output Relay Replacement ③ Switch Disassembly and Polishing (Input Selector, Phono Selector, Recout, Tone, Subsonic, Muting, Loudness) ④ Input Terminal Replacement ⑤ Speaker Terminal Installation ⑥ Selector Lamp Replacement ⑦ Main Amplifier Capacitor Replacement ⑧ Tone, Balance Volume Sound Wave Cleaning ⑨ Protector Transistor Replacement ⑩ Solder Repair, Inside Exterior inspection cleaning, adjustment inspection ) Accessories: copy of instruction manual Main specifications: effective output 90W+90W (8Ω) damping factor 80 (6Ω) W466 × H161 × D431 mm 15.0 kg

TA-1150DJapan

Ask 14-84261-27676-00
TA-1150D
Manufacture:SONY
Original price: JPY 59,800
Price: JPY 116,364
Japan 1975 made
Arrival: 2026-04-17 19:53:25
description
Starting with the first slide volume dismantling and polishing, disassembly and cleaning of multiple switches, transistor and capacitor replacement, maintenance has been carried out with thorough attention to detail. *Since there is no relay, a pop sound is heard when the power is turned on. Push the speaker SW only if you are using it. There is no sound when both are pressed. Sony's original sparkling mid-high range stands out. It goes well with jazz, etc., but the smooth, glittering expression of classical music is exquisite. The exterior has small scratches, dullness, and a feeling of use (Katsuji Hiura) Maintenance information: 2026.4.16 maintenance (main, balance volume dismantling and cleaning, multiple switch disassembly and polishing (function, filter, speaker), switch disassembly and polishing (monitor, mode, loudness, turnover), bus, treble volume sound wave cleaning, power lamp replacement, capacitor (14 tones, 7 phono, 15 power), transistor (5 tones, 2 phono, 6 power), adjustment Volume, resistance exchange, AUX1 input VR exchange, pin jack polishing, interior and exterior cleaning, adjustment, inspection) Accessories: none Main specifications: 35W+35W (8Ω) W400×H149×D316mm 8.3 kg

hk6800U.S.A

Ask 23-40050-16514-00
hk6800
Manufacture:harman/kardon
Original price: JPY 135,000
Price: JPY 72,545
U.S.A 1989 made
Arrival: 2026-04-17 19:45:02
description
Maintained! In addition to “High Voltage/High Current,” which is a unique amplifier technology, the HK series premain amplifier was created by adding new sound quality improvements. It's not flashy, but the full, astringent mid-range makes you listen to an attractive, stable sound. On the exterior, you can see a feeling of use such as scratches and dullness. Serial S158-04254 (Tomonori Asaine) Maintenance information: 2026.4.17 maintained (LED light emitting diodes replaced at 6 locations, RCH drive circuit transistors 2SA933, 2SC1740, 2SD2240, 2SC4233 replacement electrolytic capacitors 220u/50v replacement board contact solder repair long-term sound output test) 2024.3.18 maintained (L channel output transistor 2SC3281 2SA1302 2SC3298A short circuit exchange adjustment semi-fixed VR 10KΩ 1KΩ 4 position contact failure exchange output board with solder crack solder repair each input/output connection sound output confirmation ※ This unit does not have a speaker relay, so there is a small pounding sound when the power is turned off (There are times when it comes out, but since adjustments have already been made, there is no problem) Accessories: copy of instruction manual Main specifications: output 120W+120W phono input/MM only with video input terminal W443xH160xD405mm weight 15.5 kg

AU-D607Japan

Ask 26-49341-06873-00
AU-D607
Manufacture:SANSUI
Original price: JPY 69,800
Price: JPY 134,545
Japan 1979 made
Arrival: 2026-04-14 19:49:54
description
Maintenance has been completed, such as replacing a total of 54 power transistors and other transistors! The crisp, dry, and powerful sound, which also has a sense of dynamism, is amazing. The crispness is excellent. It is recommended for listening to jazz, rock, etc., and is also suitable for playing records. The exterior has dullness and bumps, etc., but it is a relatively beautiful individual compared to its age. Serial 8200430062 (Tamura Eiji) Maintenance information: 2026.4.14 Maintained (main amplifier section, 2 TR replacement transistors, 16 transistors, 2 current detection transistors, volume adjustment, 20 equalizer transistors, 24 tones replaced. Main volume dismantling and cleaning. Output relay replacement. Bass, treble, and balance volume exchange. Protector SCR replacement. Switch disassembly and polishing (input selector, recout, tone, subsonic, loudness, coupler, tape) tape, speaker knob adjustment. Interior and exterior inspection cleaning, adjustment inspection, operation confirmation. (*It clicks when the main volume is turned off, but there is no functional problem.) Accessories: instruction manual Main specifications: 70W+70W, 2 line inputs, 2 phono inputs (MM/MC), 2 tape systems, pre/power separable, W430 x H168 x D390 mm, 15.5 kg

PM-17Japan

Ask 26-48814-02046-00
PM-17
Manufacture:marantz
Original price: JPY 99,000
Price: JPY 58,909
Japan 1997 made
Shop: Osu shop
Arrival: 2026-04-09 19:47:20
description
The price has been reduced. 2026/4/9 sales price 69,800 yen Maintained by Marantz Service! Marantz's premain amplifier with an attractive, thin, and stylish design. It is a best-selling machine that has a supple mid-high range and a well-balanced low range. Combinations with Scandinavian bookshelf speakers are also a good match, so you can choose any music genre. There is a part where the print has disappeared, and there is also a dull feeling of use (Sasaki Shota) Maintenance information: 2026.4.9 manufacturer maintained (main volume, speaker relay, TEMP meter lamp replacement. Push SW disassembly cleaning. Clean each VOL contact. Various parts of the board soldering correction. DC offset. idling adjustment. (Inspection of each part and implementation of operation tests) Accessories: remote control, manual Main specifications: 60W+60W (8Ω), 4 line inputs, 1 phono input system (MM/MC switching), 2 tape systems, with pre-out terminals, W458 x H110 x D444 mm, 15 kg

E-301Japan

Ask 25-45431-02387-00
E-301
Manufacture:Accuphase
Original price: JPY 198,000
Price: JPY 152,727
Japan 1981 made
Arrival: 2026-03-31 20:14:42
description
Maintained! Comes with a cabinet. This is the Accuphase sound from the time when the high frequency range was good. The sense of power in the low frequencies is sufficient, and it drives both JAZZ and ROCK systems powerfully. The combination with the JBL 4312 series is good, and you can enjoy sound with good momentum. As for the exterior, there are threads, line scratches, and scratches on the cabinet. Serial E2X146 (Yonejima Satoshi) Maintenance information: 2026.3.31 Maintained (output relay, push switch, electrolytic capacitor, film capacitor, each replacement due to defects and deterioration, main VR disassembly, cleaning, protective agent coating, solder correction, RCA jack polishing, mold removal, veneer peeling correction. (*Bias and offset checks, input/output sound checks, interior and exterior have been cleaned.) Accessories: power cable Main specifications: PHONO input, pre-main separation possible, 110W+110W (8Ω) W465 x H187 x D395 mm 20.0 kg

PM-17SA Ver.2Japan

Ask 26-89026-02331-00
PM-17SA Ver.2
Manufacture:marantz
Original price: JPY 120,000
Price: JPY 63,455
Japan 1999 made
Arrival: 2026-03-28 20:15:28
description
January 2026 manufacturer maintenance completed! Refined model of the PM-17SA. Further refinement has been applied to the highly transparent tone, which is clear and has good visibility. The thin and stylish design and delicate expressiveness of modern SN are attractive. The subdued power draws more precise and expressive depictions. The exterior has a feeling of use such as dullness. Serial A1010619001588 (Tomoho Asaine) Maintenance information: 2026.1.20 Maintained (Source Direct SW Gari confirmed. Main VOL gang error confirmed. Main VOL and SP relays replaced. Source Direct SW Disassembly Contact Cleaning. Clean each VOL contact. Soldering fixes for each base. DC offset, idling adjustment. (Inspection of each part, operation test) Accessories: remote control power cable Main specifications: equipped with pre-out power-in terminals 60W+60W (8Ω) W458 x H110 x D429 mm 16 kg

AU-α507MRVJapan

Ask 26-49282-06384-00
AU-α507MRV
Manufacture:SANSUI
Original price: JPY 60,000
Price: JPY 36,182
Japan 1997 made
Arrival: 2026-03-28 20:15:23
description
This is the best buy model that adds fluidity and suppleness to the driving power typical of SANSUI, a premain amplifier with an emphasis on operation characteristics that aims to solve the problem of misalignment of operating points due to the strength or weakness of the music signal! You can see a feeling of use on the exterior, dullness, stains, small scratches, etc. (Kobayashi Hitoshi) Maintenance information: 2026.3.22 Operation confirmed Accessories: none Main specifications: Effective output: 80W x 2 (8Ω) Input: RCA6 system, SP terminal: 1 system W430 x H143 x D351 mm 10 kg

PM-80aJapan

Ask 26-89026-06085-00
PM-80a
Manufacture:marantz
Original price: JPY 75,000
Price: JPY 54,364
Japan 1993 made
Arrival: 2026-03-25 20:13:04
description
Maintained! The successor to the PM-80. Equipped with MOS-FET, it has a glossy mid-range, and exudes a unique sense of sound. The plump, thick sound during Class A operation is unrivaled, and you can relax and immerse yourself in the music. The exterior has a feeling of use over time, such as dullness, and there are scratches on the side panels. Serial MZ009734710309 (Yamato Yuki) Maintenance information: 2026.3.25 Maintained (since volume parts are not available, only internal contacts have been replaced. There is a slight gang error, but this is the limit) 2026.2.11 Maintained (input selector, push switch, all disassembly contact polishing Since the volume of this unit cannot be disassembled, there are no gaps, so leave it as it is. Main amplifier, power supply circuit, soldered to each board, all corrected, output relay, contact defects, replacement input/output pin jack polish, operation confirmation ※ The BASS volume shaft is curved and cannot be repaired without replacement, but it is left as is because parts are not available, but there is a functional problem It's not there) Accessories: copy of instruction manual Main specifications: MOS-FET use, AB class switchable, Class A (20W+20W), Class AB (100W+100W) PHONO input (MC/MM switching), W454 x H165 x D380 mm 17.5 kg

AU-α607DRJapan

Ask 26-49063-04412-00
AU-α607DR
Manufacture:SANSUI
Original price: JPY 87,000
Price: JPY 72,545
Japan 1987 made
Shop: Osu shop
Arrival: 2026-03-22 19:57:04
description
Maintained! This model from the late 80s is popular for its sound that has a good balance between clarity and thickness. The advantages of components such as power transformers, etc., and the sense of energy in the mid to low range are abilities unique to this era. In particular, it shows its characteristics in jazz and rock. There is a feeling of use on the exterior such as abrasions and whitish dullness (Mizusaki Ryo) Maintenance information: 2026.3.22 maintained (① main volume dismantling and cleaning ② switch dismantling and polishing (input selector, power amplifier direct, source direct, tape) ③ push switch disassembly and polishing (tone, loudness, subsonic, muting, processor, MMMC switching) ④ output relay replacement ⑤ protector part capacitor replacement ⑥ solder main part repair ⑦ other volume, switch cleaning, inside Exterior inspection and cleaning, removing the pin jack from the rear panel for polishing, operation confirmation) Accessories: instruction manual Main specifications: 90W+90W (8Ω) MM/MC compatible phono equalizer W430 × H159 × D446 mm 18 kg

TA-F333ESXJapan

Ask 26-49006-04003-00
TA-F333ESX
Manufacture:SONY
Original price: JPY 79,800
Price: JPY 68,182
Japan 1986 made
Shop: Osu shop
Arrival: 2026-03-22 19:56:57
description
Thorough maintenance has been carried out from polishing the internal contacts to replacing the deterioration resistors! The standard ES Primain model released in 1986. It is also equipped with a cartridge load selector, making it a perfect car for those who want to use it in a wide range of ways. The sound has momentum, and the thick sound is attractive. The exterior has scratches on the top plate and a reversal on the veneer on the back side (Mizusaki Ryo) Maintenance information: 2026.3.22 maintained (① main volume dismantling and cleaning ② switch disassembly and polishing (input selector, speaker, mode, tone, turnover, reckout, cartridge, muting, source direct, subsonic) ③ tone, balance VR sound wave cleaning ④ power amplifier section incombustible resistors (14 pieces) deterioration replacement ⑤ output relay, headphone relay, signal relay replacement ⑥ main solder part repair ⑦ (Pin jack polishing, interior and exterior inspection cleaning, bias adjustment, operation inspection) Accessories: copy of instruction manual Main specifications: 105W+105W (8Ω) phono input mm/MC compatible dimensions W470 x H161 x D436 mm weight 18.6 kg
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