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Manufacture | Model/Title | Price | Arrival date

B-6Japan

Ask 24-41538-00239-00
B-6
Manufacture:YAMAHA
Original price: JPY 190,000
Price: JPY 63,455
Japan 1980 made
Shop: Osu shop
Arrival: 2024-02-15 20:05:37

POLARIS 2U.S.A

Ask 24-41976-03452-00
POLARIS 2
Manufacture:SUMO
Original price: JPY 300,000
Price: JPY 81,636
U.S.A 1992 made
Arrival: 2024-03-08 19:48:38
description
The price has been drastically reduced! 2024/3/8 sales price 99,800 yen Maintained! AC120V specification. The low frequency response is good, there is plenty of room above the housing, and I definitely want to listen closely to the mid to high frequencies. It is a power amplifier with an output stage configured using the TL (transconductance linearization) circuit system, which is patented by the company using MOS-FET. BTL connection is possible, and it can be used as a 400W monaural amplifier. The exterior has bumps, scratches, etc. Serial 3200716 (Fujisawa Yukishi) Maintenance information: 2024.3.8 Maintained (all internal checks. C, R, TR, FET, etc. are OK. Operation test) Accessories: power cable Main Specifications: 120W+120W (8Ω) 200W+200W (4Ω) Input Impedance: 47kΩ Damping Factor: 500 W480 x H140 x D300 mm 14.0 kg

BA-F1Japan

Ask 23-41122-24959-00
BA-F1
Manufacture:SANSUI
Original price: JPY 120,000
Price: JPY 98,182
Japan 1979 made
Shop: Osu shop
Arrival: 2023-11-26 20:09:53
description
The price has been drastically reduced. 2023/11/26 Sales price 128,000 yen Maintained in 2022/6! An eye-catching power amplifier with its black and large power meter typical of Sansui. It entertains me with its power, which can be felt from its appearance, and its supple, stretchy sound quality. The exterior has dullness, scratches, rust, etc. over time (Oikawa Tetsuji) Maintenance information: 2022.6.23 Maintained (both channel volumes replaced. SP relay bad contact replacement. Replace protectors, deteriorated transistors, resistors, and diodes in meter boards. Replace deteriorated transistors and resistors in the power supply board. Replace deteriorated transistors and capacitors in the drive board. OUTPUT selector switch cleaning. (General adjustment) Accessories: none Main specifications: left and right independent 2 power supply diamond differential circuit effective output 110W+110W (8Ω) load impedance 4 to 16 ohms W482 x H187 x D450 mm 20.3 kg

B-2102 MOS VintageJapan

This item has been sold.You can't purchase now. 24-41593-00660-00
B-2102 MOS Vintage
Manufacture:SANSUI
Original price: JPY 317,000
Price: JPY 180,000 Sold Out
Japan 1988 made
Shop: Osu shop
Arrival: 2024-03-22 19:56:17
description
Maintained! Sansui's heavyweight power amplifier. It pursues the essence of a power amplifier, and I am particularly impressed by the strength of the low range and the growth in the high frequency range. Can also be used with large speakers. There are abrasions and bumps in places (Kojima Yosuke) Maintenance information: 2024.3.22 maintained (4 power supply rectifier diodes, 4 fuse replacement protector transistors, 4 speaker relays, deterioration replacement, INPUT selector switch disassembly contact polishing power supply board, power amplifier board, etc.) Accessories: copy of instruction manual Main specifications: 110W+110W (8Ω) impedance 4-16Ω speaker output, 2 line input systems, balance compatible, W450 x H176 x D477 (mm) 35 kg

WP-1100AJapan

Ask 24-41748-01783-00
WP-1100A
Manufacture:RAMSA
Original price: JPY 118,000
Price: JPY 18,182
Japan
Shop: Osu shop
Arrival: 2024-02-03 20:13:58
description
※There are no operation confirmation issues, but since it is for business use, it will be handed over as is without warranty. Excellent heat dissipation performance due to the servo cooling system. It clearly brings out stable sound quality even when used continuously for a long period of time, and the sound source and pre are simply brought out. Overall, there is a feeling of use such as dirt and friction (Ryo Mizusaki) Maintenance information: 2024.2.3 sound output confirmed Accessories: none Main specifications: 80 W+80 W (8 Ω continuous output) 110 W+110 W (4 Ω continuous output) 220 W (BTL 8 Ω continuous output) frequency characteristics 20 Hz to 20 kHz +0 -0.5 dB (at 4 Ω 1 W output) dimensions 480 x 102 x 394 mm

WP-C104Japan

Ask 24-41748-01782-00
WP-C104
Manufacture:RAMSA
Original price: JPY 180,000
Price: JPY 27,273
Japan
Shop: Osu shop
Arrival: 2024-02-03 20:14:00
description
※There are no operation confirmation issues, but since it is for business use, it will be handed over as is without warranty. It is an attractive amplifier with a maximum output of 100W during 4-channel operation, and the strength unique to commercial use. There is a feeling of use such as scratches and dullness on the exterior as a whole (Ryo Mizusaki) Maintenance information: 2024.2.3 sound output confirmed Accessories: none Main specifications: 80 W x 4 (8 Ω continuous output) 100 W x 4 (4 Ω continuous output) 200 W (BTL 8 Ω continuous output) W480 x H88 x D417 mm weight 12.5 kg

DLH-100U.S.A

Ask 23-41499-27806-00
DLH-100
Manufacture:QUATRE
Price: JPY 40,727
U.S.A
Arrival: 2024-01-18 20:16:07
description
The price has been reduced. 2024/1/18 sales price 49,800 yen Maintained! An American-made amplifier from the 1970s that can hardly be seen today. Circuits for self-preservation, such as security, correction, and protection, have been cut off, and I think that handsome atmosphere is well reflected in the sound. It has the same feeling of use as the model year (Daiki Goto) Maintenance information: 2024.1.18 Maintained (LED installation (original not available) poor power stage transistor deterioration, defective transistor in the board → replacement. Bias adjustment, operation check.) Accessories: none Main specifications: size (actual measurement) W406 x H155 x D327 mm weight (actual measurement) 12.2 kg

DLH-100U.S.A

Ask 23-41499-27805-00
DLH-100
Manufacture:QUATRE
Price: JPY 36,182
U.S.A
Shop: Osu shop
Arrival: 2024-01-18 20:16:08
description
The price has been drastically reduced. 2024/1/18 sales price 49,800 yen Maintained! An American-made amplifier from the 1970s that can hardly be seen today. Circuits for self-preservation, such as security, correction, and protection, have been cut off, and I think that handsome atmosphere is well reflected in the sound. It has the same feeling of use as the model year (Daiki Goto) Maintenance information: 2024.1.18 Maintained (check capacitors, resistors, transistors, etc. as is OK. bias check) Accessories: none Main specifications: size (actual measurement) W406 x H155 x D327 mm weight (actual measurement) 12.2 kg

405UK

Ask 13-76695-00663-00
405
Manufacture:QUAD
Original price: JPY 198,000
Price: JPY 90,727
UK 1975 made
Arrival: 2024-03-22 18:23:46
description
The disposal price has been reduced! (Member prices are not applicable) 2024/3/22 sales price 128,000 yen Maintained! Quad power amplifier Despite its compact body, you can enjoy a smooth, thick sound. It really goes well with speakers made in England, and makes you listen to 70s analog sound with a sense of dynamism. The exterior has a feeling of use such as dullness. Serial 41000 (Tomoho Asaine) Maintenance Information: 2024.3.22 Maintained! (Internal check DC cut C, gain setting C, etc., exchange Tr, etc. check operation check, DIN4P-RCA female cable creation) Accessories: power cable Main specifications: 100W+100W frequency characteristics 20 to 20 kHz dimensions W341 x H115 x D195 mm weight 9 kg

405UK

Ask 18-15179-07943-00
405
Manufacture:QUAD
Original price: JPY 198,000
Price: JPY 90,727
UK 1975 made
Arrival: 2024-03-20 19:54:41
description
The disposal price has been reduced. Member discounts are not applicable. 2024/3/20 sales price 128,000 yen Maintained! Quad power amplifier. Despite its compact body, you can enjoy a smooth, thick sound. It really goes well with speakers made in England, and makes you listen to 70s analog sound with a sense of dynamism. You can see a feeling of use such as appearance, dullness, abrasions, scratches, stains, etc. (Kobayashi Hitoshi) Maintenance information: 2024.3.19 maintenance (DIN connector replacement, resistance in both other channels, capacitor replacement, each Tr all check) Accessories: connection cable, power cable, instruction manual (copy) Main specifications: 100W+100W frequency characteristics 20 to 20 kHz dimensions W341 x H115 x D195 mm weight 9 kg

303UK

Ask 19-24559-59155-00
303
Manufacture:QUAD
Original price: JPY 110,000
Price: JPY 90,727
UK 1967 made
Arrival: 2024-03-22 19:55:24
description
Maintained! A classic British Quad stereo power amplifier. Small in size yet full torque. The sound, which is as deep as a tube amp, exudes an appeal that won't fade. There is a feeling of use such as dullness. Serial 3121 (Takasaki Atsushi) Maintenance information: 2024.3.22 maintained (INPUT DIN4P and AC connector replacement, DIN4P-RCA x 2 (1m) creation, internal check, DC cut C, coupling C replacement, RCH offset VOL exchange, constant change in constant voltage circuit) Accessories: copy of manual, power cord, connection cord Main specifications: 45W+45W W120×H159×D324mm 8.2 kg

405UK

Ask 20-26328-07478-00
405
Manufacture:QUAD
Original price: JPY 198,000
Price: JPY 107,273
UK 1975 made
Arrival: 2024-03-27 19:36:18
description
We've reduced the price! 2024/3/27 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. On the exterior, there are scuffs scattered on the top surface, and many other small scratches can be seen. Serial 22063 (Yonejima Satoshi) Maintenance information: 2024.3.27 Maintained (INPUT DIN connector replaced, DW4P-RCA female cable created. Internal all-check, Lch power stage Tr x 3 large leak DC cut C, gain setting C off → replace. (No AC line fuse, installation, operation check) Accessories: power cord, connection cord Main specifications: 100W+100W frequency characteristics 20 to 20 kHz dimensions W341 x H115 x D195 mm weight 9 kg

405UK

Ask 21-33652-24217-00
405
Manufacture:QUAD
Original price: JPY 198,000
Price: JPY 90,727
UK 1975 made
Shop: Osu shop
Arrival: 2024-03-21 19:58:19
description
The disposal price has been reduced. Member prices are not applicable. 2024/3/21 sales price 128,000 yen Maintained! Quad power amplifier Despite its compact body, you can enjoy a smooth, thick sound. It really goes well with speakers made in England, and makes you listen to 70s analog sound with a sense of dynamism. The exterior has a feeling of use appropriate for the model year, such as line scratches on the top plate, rubber footprints, and overall dullness (Mizusaki Ryo) Maintenance information: 2024.3.21 maintained (internal Tn, C, R check, Tn OK, gain setting C, DC cut C, etc. → replacement, DINININPUT connector replacement, cable creation ~ operation check) Accessories: power cord, connection cord, copy of instruction manual Main specifications: 100W+100W frequency characteristics 20 to 20 kHz dimensions W341 x H115 x D195 mm weight 9 kg

405-2UK

Ask 21-33884-25775-00
405-2
Manufacture:QUAD
Original price: JPY 198,000
Price: JPY 90,727
UK 1975 made
Shop: Osu shop
Arrival: 2023-11-22 20:22:06

520UK

Ask 24-42010-03677-00
520
Manufacture:QUAD
Original price: JPY 260,000
Price: JPY 86,182
UK 1985 made
Arrival: 2024-03-02 20:04:55
description
The price has been reduced. 2024/3/2 sales price 99,800 yen Maintained! professional monitor amplifier It has strength unique to commercial use, and the driving power in the low range is truly remarkable. However, it also has a strong sense of temperature typical of a quad, so it is an amplifier that I would like people who are shunned when the sound is too straight for commercial use to try it once. You can see a feeling of use, such as appearance, dullness, abrasions, etc. (Kobayashi Hitoshi) Maintenance information: 2024.3.2 maintained (internal dismantling all check, Tr, C, R check, ±B INPUT bypass C replacement, Tr, R, etc., all OK, INPUT photocoupler check, operation check) Accessories: copy of instruction manual, power cord, dedicated SP cord (cable length 2.5 m) Main specifications: 100W+100W (8Ω) W483 × H88 × D310 mm 12.5 kg
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