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C-2aJapan

Ask 25-89025-14098-00
C-2a
Manufacture:YAMAHA
Original price: JPY 170,000
Price: JPY 107,273
Japan 1978 made
Arrival: 2025-07-26 19:23:10
description
The price has been reduced. 2025/7/26 sales price 138,000 yen The interior has been thoroughly reviewed, and deteriorated parts such as the volume and selector have been dismantled and polished, and deteriorated parts such as 10 diodes, 18 resistors, 8 transistors, and 7 capacitors have been replaced! Yamaha's famous C-2a. The transparency and three-dimensional effect of the sound have been brilliantly revived. I recommend this one for those who like natural, crisp sound in the mid to high range with good texture. The sound of the PHONO input is good, so it is a popular amplifier for analog fans. The exterior has a feeling of use such as dullness and scratches. Serial 02657 (Yonejima Satoshi) Maintenance information: 2025.4.20 Maintained (panel lever switch and volume disassembly contact polishing. Replace the tone control circuit equalizer circuit, 10 varistor diodes in the power supply circuit, 8 transistors, 18 metal film resistors, and 7 capacitors. Input/output pin jack polish) 2025.7.26 maintained (MC head amplifier circuit deteriorated transistor replacement. (Long time sound output operation check) Accessories: No accessories Main specifications: PHONO input 2 systems W435 x H72 x D320 mm 7.9 kg

C-2Japan

Ask 24-44996-28383-00
C-2
Manufacture:YAMAHA
Original price: JPY 150,000
Price: JPY 90,727
Japan 1979 made
Shop: Osu shop
Arrival: 2025-11-29 19:57:47
description
The price has been reduced. 2025/11/29 sales price 118,000 yen 43 electrolytic capacitors have been replaced and maintenance has been completed, even cleaning the disassembly contacts for each volume switch, etc. Yamaha's masterpiece preamp. It has a particularly good reputation for phonos, and it is still a popular model among analog users. With a natural and highly transparent Yamaha sound, you can fully enjoy the appeal of acoustic instruments, such as the touch and feel of a piano, and the sharpness of guitar strings. The exterior has small scratches and dullness over time. Serial 02927 (Tomonori Asaine) Maintenance information: 2025.11.29 Maintained (power switch, electrolytic capacitor replacement. Disassemble and clean the volume, selector, and switches. (Panel, back terminals, and housing must be cleaned) Accessories: copy of instruction manual Main specifications: PHONO x 3 system (MM/ MC) MC head amplifier built-in W435 x H72 x D320 mm 7.9 kg

C32U.S.A

Ask 25-47979-22104-00
C32
Manufacture:McIntosh
Original price: JPY 776,000
Price: JPY 243,636
U.S.A 1977 made
Arrival: 2025-11-29 19:50:53
description
The price has been drastically reduced. 2025/11/29 sales price 278,000 yen Complete SW disassembly, cleaning, block capacitor replacement, etc., and maintenance completed! The top Macintosh model in the golden age. You can enjoy the thick and bold Macintosh sound. Comes with an easy to handle 5-band equalizer. An easy-to-use preamp that can be combined with speakers and power amplifiers of a wide range of ages. You can see a feeling of use, such as appearance, dullness, abrasions, etc. (Kobayashi Hitoshi) Maintenance information: 2025.11.27 maintenance completed (upper SW ✕ 2, VR ✕ 3, front VR ✕ 8, rotary SW ✕ 3, 8-push SW complete disassembly cleaning. Power block capacitor replacement, lamp, grommet replacement. (Check the input/output waveform, check the left and right balance, and perform a comprehensive operation test by connecting a power amplifier) Accessories: copy of instruction manual Main specifications: input terminals Phono 1, 2, AUX, tuner, tape 1, 2, 3 output terminals PRE OUT1, 2, TAPE OUT1, 2, W406 x H138 x D330 mm 11.8 kg

SG520U.S.A

25-48160-23790-00
SG520
Manufacture:JBL
Original price: JPY 268,000
Price: JPY 452,727
U.S.A 1964 made
Shop: Osu shop
Arrival: 2025-12-03 20:09:17
description
Maintained! It is JBL's first control amplifier to be crowned with a graphics controller, and it is a famous machine that still boasts high popularity today. The dry, horsepower sound quality unique to this era is unparalleled in matching with vintage speakers. It is a control amplifier coveted by JAZZ and ROCK fans that has both good extrusion and a clear outline. The exterior has threads and scratches appropriate to the model year throughout (Mizusaki Ryo) Maintenance information: 2025.12.3 maintained (internal check, Rch board coupling C broken → replacement (LR both), other push button lamps out → replacement, input selector contact failure → dismantling contact plate polishing, each VOL, SW cleaning) Accessories: copy of instruction manual Main specifications: LINE input 4 systems PHONO (MM) input 2 systems W397 x H170 x D370 mm 8.0 kg

PRA-2000Japan

This item has been sold.You can't purchase now. 24-44228-22115-00
PRA-2000
Manufacture:DENON
Original price: JPY 200,000
Price: JPY 90,727 Sold Out
Japan 1979 made
Shop: Osu shop
Arrival: 2025-07-05 19:50:23
description
The disposal price has been reduced. Member discounts are not applicable. 2025/7/5 sales price 138,000 yen All boards have been maintained, such as soldering fixes, switches, volume disassembly, contact polishing, etc. A popular DENON control amplifier for its excellent phono equalizer. MC head amplifiers are famous for their quality, and they fully draw out the amount of information in the cartridge. It's a neat sound typical of a domestic amplifier with clear yet solid mid-range sound. You can see a feeling of use, such as appearance, dullness, abrasions, etc. (Kobayashi Hitoshi) Maintenance information: 2025.7.5 maintenance completed (1 panel LED replaced. PHONO circuit board and all other circuit boards have been soldered and corrected. Switch, volume disassembly contact polishing. (I/O pin jack polish) Accessories: copy of instruction manual Main specifications: CR equalizer with 3 PHONO inputs MC head amplifier W455 x H132 x D357 mm 10.5 kg

C-7fJapan

This item has been sold.You can't purchase now. 25-48259-24598-00
C-7f
Manufacture:LUXMAN
Original price: JPY 380,000
Price: JPY 170,909 Sold Out
Japan 2000 made
Arrival: 2025-11-29 19:53:22
description
The price has been reduced! 2025/11/29 sales price 198,000 yen ※It is cheap because there is a noticeable scratch on the front. Maintained! Third generation model in the C-7 series, a mid-size Lux preamp model. Compared to the 2nd generation model, it is characterized by creating a crisp sound that tightens the bass and pushes out the mid to high tones. It is well balanced between scenes drawn delicately and sharpness that is pushed out dynamically in places where you don't dislike it, and the sound with a sense of stability that allows you to relax and enjoy classical music with modern speakers is attractive. The exterior is dull. Serial G10810595 (Yonejima Satoshi) Maintenance information: 2025.8.2 Maintained (sealing panel opening/closing mechanism dismantling, cleaning, grease replacement, reassembly. Quadruple main volume decomposition cleaning protective agent application. Other balance and tone volume cleaning. Solder correction. knob cleaning. Voice check for each input and output. (Interior and exterior cleaning) Accessories: power cord Main specifications: Line-only preamp, line input, all 7 systems, balanced input/output, 2 systems each, W467 x H187 x D435 mm, weight 21 kg

C30U.S.A

Ask 25-47608-19190-00
C30
Manufacture:McIntosh
Original price: JPY 760,000
Price: JPY 170,909
U.S.A 1985 made
Arrival: 2025-10-22 20:08:26
description
The disposal price has been reduced! (Member prices are not applicable) 2025/10/22 sales price 258,000 yen Maintained! A rare preamp sold during the golden age of Macintosh. It is a McKinn preamp with a mild impression compared to the C33, etc., and has an orthodox expression with thick mid-range and well-balanced low frequencies. Equipped with an equalizer function and many input systems, this unit is easy to handle with simple operation. On the exterior, rust can be seen behind the top plate. Also, there is some peeling on the front. Serial JDM 1386 (Tamura Eiji) Maintenance information: 2025.10.22 maintained (panel peeling correction, each SW/VOL cleaning (main, headphone, equalizer VOL replaced) lamp switch replacement, operation check) Accessories: No accessories Main specifications: 5-band tone control preamp phono mm1 system line input 8 systems size W406 x H138 x D330 mm weight 8.2 kg

C-5Japan

This item has been sold.You can't purchase now. 25-47864-21050-00
C-5
Manufacture:LUXMAN
Original price: JPY 270,000
Price: JPY 143,636 Sold Out
Japan 1997 made
Arrival: 2025-11-29 19:52:57
description
Maintained! Lux's popular preamp. A mild, non-irritating lackstone reminiscent of a vacuum tube. It is a highly musical amplifier with a rich sense of scale in the low range, and you can enjoy the glossy mid to high frequencies. As for the exterior, you can see a thread on the top plate. W71010093 (Yonejima Satoshi) Maintenance information: 2025.11.29 Maintained (partial disconnection point cleaning due to lack of main volume. Check other volumes and switches. Check the operation of each input/output) Accessories: power cord Main specifications: input: RCA4 system, 1 phono system, 2 tape input/output systems, balance 2 system output: RCA2 system, balance 1 system W467 x H187 x D435 mm weight 15.0 kg

66PreUK

Ask 25-47475-18220-00
66Pre
Manufacture:QUAD
Original price: JPY 238,000
Price: JPY 72,545
UK 1989 made
Shop: Osu shop
Arrival: 2025-10-03 19:56:15
description
The disposal price has been reduced. Member prices are not applicable. 2025/10/3 fireworks price 99,800 yen has been maintained! A preamplifier that can be operated by a full remote control. A familiar quad tone that is natural, easy to listen to and won't get tired of. In addition to volume, left and right balance, input switching, etc., it is fully equipped with functions such as TILT (loudness like function), high pass, low pass filter (2 levels each), etc., making it convenient. There is a small scratch on the top plate (Sasaki Shota) Maintenance information: 2025.10.3 maintenance completed (operation check, no remote control battery → replacement operation OK. Internal check, light receiver bypass C replacement. PHONO board bypass C replacement, pin jack check. Operation check, OK) Accessories: remote control, manual, power cable Main specifications: full remote control control amplifier with PHONO input (mm) W321 x H80 x D255 mm 3.3 kg

KLIMAX KONTROLUK

This item has been sold.You can't purchase now. 25-48171-23906-00
KLIMAX KONTROL
Manufacture:LINN
Original price: JPY 1,700,000
Price: JPY 343,636 Sold Out
UK 2002 made
Shop: Osu shop
Arrival: 2025-11-22 20:18:37
description
The price has been reduced. 2025/11/22 sales price 398,000 yen genuine Rin Japan product. The royal road for natural, supple, and thick Rin sounds. Differences in source recording states etc. are also clearly reproduced. It is suitable for those who want to reproduce classical music, vocals, etc. in high quality. There are no noticeable scratches on the exterior (Mizusaki Ryo) Maintenance information: 2025.11.22 Operation confirmed Accessories: remote control, copy of instruction manual, power cable, original box Main specifications: 4 input systems (RCA x 3, balance x 1 system) output 2 systems (RCA x 1 system, balance x 1 system) W350 x D355 x H60 mm 9 kg

C34VU.S.A

Ask 25-47810-20675-00
C34V
Manufacture:McIntosh
Original price: JPY 540,000
Price: JPY 198,182
U.S.A 1986 made
Arrival: 2025-11-18 19:38:29
description
The price has been drastically reduced. 2025/11/18 Sales price 258,000 yen Push button dismantling, cleaning, relay replacement, etc. Maintenance completed. Macintosh's classic preamp. It reproduces clear mid-range and glossy tones. This model should be used by music fans who enjoy all kinds of sources. The full range of functions, such as a 5-band equalizer and a 7-source input selector, is also attractive. You can see a feeling of use such as appearance, dullness, scratches, etc. (Kobayashi Hitoshi) Maintenance information: 2025.11.18 maintained (each SW/VOL cleaning, pin jack cleaning, lamp replacement, semi-fixed volume replacement, push button dismantling cleaning, relay replacement, companion knob attachment) 2016.12.7 maintained (each SW, VOL cleaning, push button SW dismantling cleaning, mainoutrch pin jack replacement, equalizer Volx3 replacement, LDR ・Front lamp replacement, operation check of each part) Accessories: copy of instruction manual Main specifications: Equalizer up and down 12dB (center frequency/30Hz/150Hz/500Hz/1.5kHz/10kHz) rated output 20W+20W (8Ω) W445 x H192 x D395 mm 11.8 kg

SU-A6Japan

Ask 25-89025-18191-00
SU-A6
Manufacture:Technics
Original price: JPY 100,000
Price: JPY 31,636
Japan 1980 made
Arrival: 2025-09-13 20:02:23
description
The disposal price has been reduced! (Member prices are not applicable) 2025/9/13 sales price 49,800 yen The ceiling panel is out of stock. Maintained! Technics thin preamp. It has a neat sound typical of Technics, so you can relax and enjoy music without getting tired of listening. It's also convenient that there are plenty of tone controls. There is a feeling of use such as dullness. Serial ADIL22ED028 (Yamato Yuki) Maintenance information: 2025.8.11 Maintained (switch dismantling and polishing (input selector, phono selector, reck-out) push switch disassembly and polishing (muting, loudness, subsonic, filter), solder repair, volume cleaning adjustment, etc., various volume cleaning, internal inspection cleaning, operation confirmation) Accessories: copy of instruction manual Main specifications: Phono MM/MC compatible, 2 line input systems W430 x H97 x D360 mm 5.5 kg

33UK

Ask 18-19817-59387-00
33
Manufacture:QUAD
Original price: JPY 120,000
Price: JPY 90,727
UK 1967 made
Shop: Osu shop
Arrival: 2025-11-16 20:18:59
description
The disposal price has been reduced (member prices are not applicable). 2025/11/16 Sales price 118,000 yen Maintenance has been completed, including replacement of 4 capacitors and 1 resistor. This is QUAD's first transistor preamp. The dark tone, with a sweet sense of humidity, is the British sound itself. The combination with the company's 303 power amplifier is also an attractive system. There are small scratches, dullness, etc. appropriate for the model year (Oikawa Tetsuji) Maintenance Information: 2025.11.16 Maintained (AC Switch Spark Killer NG → Replaced. Replace the capacitor in the power supply. Capacitors in each AMP have been replaced. Each VOL and SW cleaning. Operation inspection check) Accessories: power cable, connection cable, copy of instruction manual Main specifications: Phono 1 system, 3 line systems, W260 x H92 x D165 mm, 3 kg

SU-9070/2Japan

Ask 25-47271-16763-00
SU-9070/2
Manufacture:Technics
Original price: JPY 120,000
Price: JPY 54,364
Japan 1977 made
Arrival: 2025-09-11 19:53:20
description
The disposal price has been reduced! (Member prices are not applicable) 2025/9/11 sales price 79,800 yen This is a special maintenance item that has successfully overcome crackling noise with thorough polishing of the switch and volume! The simple structure honestly expresses the sound of the sound source. Equipped with 3 PHONO inputs (MM/MC), this is a great amplifier for record users. This is a rare control amplifier that has been sold very rarely. Scratches and rust can be seen on the exterior. Also, there is a part of the knob missing (Fujisawa Yukishi) Maintenance information: 2025.9.11 Maintained (main volume part dismantled and cleaned. Switch disassembly and polishing (muting, input selector, phono selector, reck-out, ext. mode switch). Replace the power lamp. Power supply (3 pieces) and equalizer circuit section (10 pieces) capacitor replacement. Solder repair. (Internal inspection cleaning, exterior, pin jack cleaning, operation check) Accessories: No accessories Main specifications: stereo DC flat preamp line input 2 systems PHONO input 3 systems (MC/MM) W450 x H92 x D369 mm 7 kg

C-2Japan

Ask 25-46935-14292-00
C-2
Manufacture:YAMAHA
Original price: JPY 150,000
Price: JPY 90,727
Japan 1979 made
Shop: Osu shop
Arrival: 2025-09-30 17:40:33
description
The disposal price has been reduced. Member discounts are not applicable. 2025/9/30 sales price 118,000 yen 24 transistors and 9 capacitors replaced. Furthermore, all switches and volumes have been disassembled and polished, and maintenance has been carried out on Yamaha's famous C-2! It has a particularly good reputation for phono, and it is still a popular model among analog users. With a natural and highly transparent Yamaha sound, you can fully enjoy the appeal of acoustic instruments, such as the touch and feel of a piano, and the sharpness of guitar strings. The exterior has dullness and scratches. Serial 04437 (Murakoshi Yoichi) Maintenance information: 2025.9.29 maintained (all corrected with output pin jack soldering) 2025.5.3 maintained (all volumes and switch disassembly contacts polished. Replace 24 deteriorated transistors and 9 capacitors in the tone control circuit power supply circuit. (I/O pin jack polish) Accessories: No accessories Main specifications: PHONO x 3 system (MM/ MC) MC head amplifier built-in W435 x H72 x D320 mm 7.9 kg

33UK

Ask 23-38042-00763-00
33
Manufacture:QUAD
Original price: JPY 120,000
Price: JPY 90,727
UK 1967 made
Arrival: 2025-07-01 19:47:48
description
The disposal price has been reduced! (Member prices are not applicable) 2025/5/30 sales price 118,000 yen Maintained! This is QUAD's first transistor preamp. The luscious, shaded tone is British sound itself. If it's royal, I recommend combining it with the company's 303 power amplifier. There is a feeling of use over time (Daiki Goto) Maintenance information: 2025.5.28 Maintained (power supply and PHONO/LINE board C all replaced. TONE/filter VOL replacement Other SW cleaning) Accessories: copy of instruction manual, power cable, connection cable Main specifications: Phono 1 system, 3 line systems, W260 x H92 x D165 mm, 3 kg

C29U.S.A

Ask 25-47017-14866-00
C29
Manufacture:McIntosh
Original price: JPY 550,000
Price: JPY 170,909
U.S.A 1979 made
Arrival: 2025-08-27 19:01:23
description
The disposal price has been reduced. Member discounts are not applicable. 2025/8/27 sales price 238,000 yen Maintenance has been completed with attention to details such as replacing 26 capacitors and replacing lamps. A control amplifier representing the golden age of McKinn. Compared to the C28, this model has a wider range and more subtlety. The rich, glossy, and thick tone is alive and well, and it plays particularly well with vintage speakers. The exterior and front of the top plate are curved, dullness, scratches, etc., and a feeling of use can be seen (Kobayashi Hitoshi) Maintenance information: 2025.8.26 Maintained (each SW, VOL cleaned, 5 lamps, bridge diode replaced. BASS-TREBLE direct soldering, push button dismantling and cleaning, pin jack cleaning, main VOL shaft length, angle processing correction, other pattern internal correction, cleaning (BASS and TREBLE Gari cannot be completely captured) Accessories: copy of instruction manual Main specifications: frequency characteristics 20 Hz to 20 kHz input terminals PHONO 1 · 2, AUX, TUNER, TAPE 1 · 2 W406 × H138 × D330 mm 8.6 kg

C29U.S.A

Ask 25-47467-18163-00
C29
Manufacture:McIntosh
Original price: JPY 550,000
Price: JPY 170,909
U.S.A 1979 made
Shop: Osu shop
Arrival: 2025-10-23 19:48:03
description
The disposal price has been reduced. Member prices are not applicable. 2025.10.23 Sales price 238,000 yen Each volume switch has been cleaned, 6 capacitors replaced, 5 lamps have been replaced, etc., and maintenance has been carried out with attention to detail! A control amplifier representing the golden age of McKinn. Compared to the C28, I get the impression that the breadth and subtlety of the sound stands out. Even in this age, the rich, glossy tone is still alive and well, and vintage speakers play well (Daiki Goto) Maintenance information: 2025.10.23 Maintained (each SW, VOL cleaning, lamp deterioration replacement. Auto on fuse disconnection → replacement, push button dismantling and cleaning, AC cord replacement, condenser liquid leak → replacement, pin jack cleaning, fuse holder damage → replacement, operation check (BASS, TREBLE can't take full picture).) Accessories: manual Main specifications: frequency characteristics 20 Hz to 20 kHz input terminals PHONO 1 · 2, AUX, TUNER, TAPE 1 · 2 W406 × H138 × D330 mm 8.6 kg

C28U.S.A

Ask 25-46462-10491-00
C28
Manufacture:McIntosh
Original price: JPY 348,000
Price: JPY 170,909
U.S.A 1970 made
Arrival: 2025-06-27 19:40:59
description
The disposal price has been reduced! Member prices are not applicable. 2025/6/27 sales price 238,000 yen Maintained! A popular preamp sold during the heyday of analog. The mid-range is more glossy and has a sexier vibe than those after C29. That rich sound can truly be said to be a preamp representing the golden age of Mackins'. There are small scratches and threads on the exterior. ※The power supply has been changed to an inlet specification. Serial AK1481 (Tamura Eiji) Maintenance information: 2025.6.27 Maintained (main volume disassembly contact polishing cleaning due to poor contact noise. Disassembly contact polishing and cleaning due to poor tone switch contact. Other switches, volume contact cleaning. Since the RCA terminals are corroded and the shape is different, all terminals have been replaced. Electrolytic capacitor replacement. A power supply circuit capacitor was added to make a hum sound. (Panel cleaning, exterior and interior cleaning.) Accessories: power cable Main specifications: 4 input terminals, 4 PHONO input systems, 2 pre-out systems, W430 x H140 x D365 mm, 13.8 kg

44GYUK

Ask 25-47292-16891-00
44GY
Manufacture:QUAD
Original price: JPY 198,000
Price: JPY 107,273
UK 1979 made
Arrival: 2025-09-02 19:53:49
description
The price has been reduced. 2025/9/2 sales price 128,000 yen Maintained! Late QUAD44 with CD input terminal. All inputs and outputs are equipped with RCA terminals. An elegant and lustrous tone. It has the natural texture of the acoustic sauce and the smooth tone that feels good against the skin. The output sensitivity can be selected from 3 levels. As for the exterior, there are scratches and dullness over time, and there is noticeable paint peeling on the right side. Serial Q036565 (Yamato Yuki) Maintenance information: 2025.9.2 maintained (balance VOL cleaning, other SW and VOL checks, C etc. in each internal board replaced ~ operation check.) 2023.11.17 Maintained (filter VOL, SW lever installation failure, reprocessing, etc., internal bypass C, coupling C, etc. have been replaced, operation check OK) Accessories: instruction manual copy power cable Main specifications: LINE input 1 system PHONO input 1 system Phono sensitivity 1m/3m/10mV switching W321 × H103 × D203 mm 4.0 kg

44GYUK

Ask 25-47784-20479-00
44GY
Manufacture:QUAD
Original price: JPY 198,000
Price: JPY 107,273
UK 1979 made
Shop: Osu shop
Arrival: 2025-10-13 19:46:53
description
The price has been reduced. 2025/10/13 sales price 128,000 yen Maintenance completed, including replacement of 18 capacitors. Late QUAD44 with CD input terminal. All inputs and outputs are equipped with RCA terminals. An elegant and lustrous tone. It has the natural texture of the acoustic sauce and the smooth tone that feels good against the skin. The output sensitivity can be selected from 3 levels. You can see the exterior, dullness, and feeling of use (Kobayashi Hitoshi) Maintenance information: 2025.3.27 maintenance completed (power SW contact cleaning, through hots re-soldering, replacement pin jack cleaning, replacement pin jack cleaning, caulking, SW, VOL cleaning, balance VOL defects, and jumper processing: balance VOL cannot be used because repair is not possible) Accessories: instruction manual, power cord Main specifications: LINE input 1 system PHONO input 1 system Phono sensitivity 1m/3m/10mV switching W321 × H103 × D203 mm 4.0 kg

44UK

Ask 25-47349-17333-00
44
Manufacture:QUAD
Original price: JPY 198,000
Price: JPY 107,273
UK 1979 made
Arrival: 2025-08-31 20:06:08
description
The price has been reduced. 2025/8/31 sales price 128,000 yen Maintenance completed! A famous machine 44 with an easy-to-handle RCA terminal added to the rear terminal of the Quad control amplifier. The British QUAD's small preamp is a perfect balance between the freshness and richness of character. When paired with the same speakers made in England, you can enjoy a calm, high-quality sound. There are line scratches on the left side of the exterior, dull buttons, etc., and there is a feeling of use throughout (Kobayashi Hitoshi) Maintenance information: 2025.3.5 maintenance completed (power supply SW contact cleaning, correction, RCA terminal screw fixing, cleaning, caulking each SW, Vol cleaning (some chips remain) 2023.11.15 maintenance (VOL cleaning, C replacement in other mainboards, C etc. in each AMP, etc.) AC spark killer replacement in the power supply.) Accessories: power cord, connection cord, instruction manual (copy) Main specifications: 2 LINE inputs, 1 PHONO input, 1 phono sensitivity, 1m/3m/10mV switching, W321 x H103 x D203 mm, 4 kg

C-2Japan

Ask 25-47485-18293-00
C-2
Manufacture:YAMAHA
Original price: JPY 150,000
Price: JPY 90,727
Japan 1979 made
Arrival: 2025-09-19 19:55:03
description
Disposal price has been reduced (member prices are not applicable) 2025/9/19 sales price 118,000 yen Full maintenance was completed in 2024/11! Yamaha's masterpiece preamp. It has a particularly good reputation for phono, and it is still a popular model among analog users. With a natural and highly transparent Yamaha sound, you can fully enjoy the appeal of acoustic instruments, such as the touch and feel of a piano, and the sharpness of guitar strings. The exterior has small scratches and dullness over time. Serial 13915 (Yonejima Satoshi) Maintenance information: 2024.11.1 maintained (tone control circuit capacitor solder correction) 2024.9.20 maintained (MODE, INPUT, TAPE rotary switch disassembly and cleaning. VR disassembly and cleaning of VOLUME, BASS, and TREBLE (partial correction). SUBSONIC, MUTING switch disassembly and cleaning. Preventive replacement of 16 electrolytic capacitors. Solder correction of the RCA terminal board with PHONO input, terminal cleaning frequency characteristics, and distortion ratio confirmation) Accessories: No accessories Main specifications: PHONO x 3 system (MM/ MC) MC head amplifier built-in W435 x H72 x D320 mm 7.9 kg

C34VU.S.A

Ask 25-46876-13817-00
C34V
Manufacture:McIntosh
Original price: JPY 540,000
Price: JPY 198,182
U.S.A 1986 made
Arrival: 2025-09-01 20:04:02
description
The price has been drastically reduced! 2025/9/1 sales price 258,000 yen All switches were disassembled and maintained, such as contact cleaning, etc. in 2025/5! Macintosh's classic preamp. It reproduces clear mid-range and glossy tones. This model should be used by music fans who enjoy all kinds of sources. The full range of functions, such as a 5-band equalizer and a 7-source input selector, is also attractive. There are small scratches and partial peeling on the exterior. Serial JEB8721 (Jun Tamai) Maintenance information: 2025.5.14 maintained (RCA terminal solder fixed push switch, rotary switch, all switches disassembly contact cleaning contact grease coating main volume disassembly contact polishing cleaning conversion board creation replacement electrolytic capacitor replacement panel lamp replacement panel peeling correction each input/output operation check) Accessories: copy of instruction manual Main specifications: Equalizer up and down 12dB (center frequency/30Hz/150Hz/500Hz/1.5kHz/10kHz) rated output 20W+20W (8Ω) W445 x H192 x D395 mm 11.8 kg

C34VU.S.A

Ask 25-46880-13838-00
C34V
Manufacture:McIntosh
Original price: JPY 540,000
Price: JPY 198,182
U.S.A 1986 made
Shop: Osu shop
Arrival: 2025-08-23 20:07:31
description
The price has been drastically reduced! 2025/8/23 sales price 258,000 yen Each volume type has been disassembled and maintained, such as contact cleaning, etc.! Macintosh's classic preamp. It reproduces clear mid-range and glossy tones. This model should be used by music fans who enjoy all kinds of sources. The full range of functions, such as a 5-band equalizer and a 7-source input selector, is also attractive. (SASAKI Shota) Maintenance information: 2025.8.23 maintained (each SW/VOL cleaning, lamp replacement, auto on fuse switching, push button dismantling and cleaning, poor companion pot, LED x 1 off → replacement, pin jack cleaning. Assemble after refining each volume disassembly contact and applying protective grease. (Operation was confirmed with all oscilloscopes) Accessories: copy of the manual Main specifications: Equalizer up and down 12dB (center frequency/30Hz/150Hz/500Hz/1.5kHz/10kHz) rated output 20W+20W (8Ω) W445 x H192 x D395 mm 11.8 kg

C-2aJapan

Ask 25-89025-19017-00
C-2a
Manufacture:YAMAHA
Original price: JPY 170,000
Price: JPY 116,364
Japan 1978 made
Arrival: 2025-09-24 19:43:37
description
The price has been reduced. 2025/9/24 sales price 138,000 yen Replace 29 deteriorated capacitors, disassemble all volumes and switches, and clean thoroughly! Yamaha's famous C-2a. The transparency and three-dimensional effect of the sound have been revived brilliantly. The mid-high range, which has good texture, is recommended for those who like clear sound. It has a reputation for the sound quality of phono equalizers, and is a popular amplifier for analog fans. There are line scratches and noticeable stains (Takasaki Atsushi) Maintenance information: 2025.8.28 Maintained (MUTE switch disassembly terminal cleaning. TREBLE volume decomposition correction and cleaning. Disassemble and clean the main volume and other switches and selectors. Electrolytic capacitor replacement. (Panel, terminal, and housing cleaning) Accessories: copy of the manual Main specifications: PHONO input 2 systems (MM/MC) DC amplifier configuration W435 x H72 x D320 mm 7.9 kg

33UK

Ask 16-06228-00437-00
33
Manufacture:QUAD
Original price: JPY 120,000
Price: JPY 90,727
UK 1967 made
Arrival: 2025-08-30 19:09:58
description
The disposal price has been reduced. Member discounts are not applicable. 2025/8/30 sales price 118,000 yen Maintained! This is QUAD's first transistor preamp. The dark tone, with a sweet sense of humidity, is the British sound itself. The combination with the company's 303 power amplifier is also an attractive system. The appearance, dullness, and feeling of use can be seen. Serial 52112 (Murakoshi Yoichi) Maintenance information: 2025.8.28 Maintained (volume contact cleaning) 2025.6.19 Maintained (main VOL dismantling, slider repair cleaning. Balance VOL exchange. Replace C in other power supplies and C in PHONO/LINE. (Power SW spark killer replaced, changed to 100V specification) Accessories: power cord, input/output cable, instruction manual (copy) Main specifications: external dimensions W550 x H110 x D220 mm, weight approx. 7.4 kg (actual measurement) [33] 3 input/line systems, 1 phono system (MM) [FM3] tubular FM dedicated tuner with automatic stereo/mono switching

C-2Japan

Ask 25-47433-17971-00
C-2
Manufacture:YAMAHA
Original price: JPY 150,000
Price: JPY 90,727
Japan 1979 made
Arrival: 2025-09-07 20:01:19
description
Maintenance was completed in 2025/3 until 32 electrolytic capacitors were replaced and the disassembly contacts for each volume switch were cleaned! This is a Yamaha preamp that is still highly popular. If you have excellent phonos and basic records, please give it a try. With a natural and highly transparent Yamaha sound, you can fully enjoy the appeal of acoustic instruments, such as the touch and feel of a piano, and the sharpness of guitar strings. The exterior has a feeling of use such as dullness, small scratches, and stains on the top plate. Serial 11087 (Yamato Yuki) Maintenance information: 2025.3.29 Maintained (switch, volume disassembly contact cleaning. Apply grease to all rotary switch disassembly contacts to clean contacts. Lever switch disassembly, contact cleaning, contact grease application. Replace 32 electrolytic capacitor meters. Internal and external dirt cleaning, terminal cleaning. (Check the operation of each input/output) Accessories: copy of instruction manual Main specifications: PHONO x 3 system (MM/ MC) MC head amplifier built-in W435 x H72 x D320 mm 7.9 kg

PRA-2000Japan

Ask 25-45527-03151-00
PRA-2000
Manufacture:DENON
Original price: JPY 200,000
Price: JPY 90,727
Japan 1979 made
Arrival: 2025-06-21 19:47:00
description
The disposal price has been reduced! (Member prices are not applicable) 2025/6/21 sales price 138,000 yen Maintained! A popular DENON control amplifier for its excellent phono equalizer. MC head amplifiers are famous for their quality, and they fully draw out the amount of information in the cartridge. It's a neat sound typical of a domestic amplifier with clear yet solid mid-range sound. On the exterior, you can see a feeling of use such as dullness and scratches on the cabinet, serial 1115798 (Asaine Tomoho) Maintenance Information: 2025.6.17 Maintained (Electrolytic Capacitor 20% Capacity Change, 10 parts replaced. Main volume disassembly contact cleaning. MIN/MAX stopper damage replacement balance volume contact cleaning mechanical switch disassembly contact cleaning each board soldering confirmation and correction board cleaning. Power supply voltage regulation. Output DC level adjustment Internal harness re-wiring Internal cleaning AC plug, RCA terminal, GND terminal cleaning Exterior screw cleaning, wood panel cleaning, front panel knob cleaning) Accessories: copy of instruction manual Main specifications: CR equalizer with 3 PHONO inputs MC head amplifier W455 x H132 x D357 mm 10.5 kg

66PreUK

Ask 25-47203-16213-00
66Pre
Manufacture:QUAD
Original price: JPY 238,000
Price: JPY 58,909
UK 1989 made
Shop: Osu shop
Arrival: 2025-08-14 19:57:02
description
※The lid of the remote control is missing, so it's cheap. Maintained in 2014. A preamplifier that can be operated by a full remote control. A familiar quad tone that is natural, easy to listen to and won't get tired of. In addition to volume, left and right balance, input switching, etc., it is fully equipped with functions such as TILT (loudness like function) and high pass and low pass filters (2 levels each), which is convenient. The exterior has line scratches on the top plate and other scratches overall (Mizusaki Ryo) Maintenance information: 2025.8.14 operation confirmed 2014.12.13 Maintained (disconnected due to AC fuse deterioration → replaced. Check internal capacitors, relays and transistors → OK. Since the remote control switch cannot be dismantled, it cannot be cleaned. Operation check OK) Accessories: remote control, power cable Main specifications: full remote control control amplifier with PHONO input (mm) W321 x H80 x D255 mm 3.3 kg
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