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P-4200Japan

Ask 25-48223-24329-00
P-4200
Manufacture:Accuphase
Original price: JPY 490,000
Price: JPY 361,818
Japan 2013 made
Arrival: 2025-12-21 20:13:13
description
Maintained by the manufacturer! Comes with original box This is a full change model that enhances the degree of perfection of all P-4100 circuits. The latest instrumentation amplifier system is used for the overall configuration, and it is equipped with a mode changeover switch that allows easy bi-amp or bridge connections, improving convenience. The sound of the traditional 4000 series, which has a wide range and high transparency, has been refined. It is generally in good condition. Serial P5Y422 (Yamato Yuki) Maintenance information: 2025.12.21 maintained (front panel internal indicator, glass cleaning idling adjustment, input/output check OK, safety check/pressure resistance check OK) Accessories: original box instruction manual power cable Main specifications: rated output 90W+90W (8Ω) 180W+180W (4Ω) load impedance 2 to 16Ω (in stereo) input RCA1 system, XLR1 system speaker output 2 systems W465 x H190 x D427 mm 28.9 kg

AMPZILLA 2a

Ask 25-89025-26140-00
AMPZILLA 2a
Manufacture:GAS
Original price: JPY 499,000
Price: JPY 134,545
Arrival: 2025-12-20 19:50:19
description
※Since the meter is defective on one side, it is inexpensive (there is a meter difference between the left and right, and the starting position is not at 0). Maintenance has been completed! The final model of Ampzilla. A representative American sound with strong, tight low frequencies! The dry, clean-sounding character is the perfect match for vintage speakers of yesteryear. This is a masterpiece machine that briskly drives famous speakers from JBL and Altec. The exterior is dull and dirty. The fuse holder has been replaced with a black one. Serial 104730 (Tamura Eiji) Maintenance Information: 2025.12.3 Maintained (fuse holder replaced. Meter switch disassembly contact cleaning. (*The internal movement of the meter was poor, and the meter was disassembled, but repairs were not possible) 2022.5.12 Maintained (fuse holder lock claw adjustment. Replace the fuse. 0 point meter adjustment Offset voltage, idling current adjustment. (Other internal inspection voice check) Accessories: No accessories Main specifications: 200W+200W (8Ω) perfect balance configuration W445 × H178 × D229 mm 22.7 kg

2+22UK

Ask 25-48080-23077-00
2+22
Manufacture:QUAD
Price: JPY 361,818
UK 1953 made
Arrival: 2025-12-05 20:10:37
description
The price has been drastically reduced. 2025/12/5 sales price 448,000 yen Electrolytic capacitors and film capacitors were replaced in 2024/2, and full maintenance has been completed. 100V model! A separate amplifier that is still popular even now, 70 years after its release. The thickness, luster, and tension of the sound are all emotionally composed, and perfectly express the sound of the instrument. Anyway, it has thick, firm mid-bass, and the tasteful sound unique to vacuum tubes is impressive. There is a scratch on the top plate of the preamp. Serial 42710 57078/59299 (Murakoshi Yoichi) Maintenance information: 2025.3.23 maintained (blue AC cord plug and socket disassembly and rewiring procedure, etc. Operation checked with AC 100 to 117 V (SP impedance: 16 ohm wiring)) 2024.2.17 maintained (electrolytic capacitor replaced with 25 μF European 1 x 2 · film capacitor 0.1 μF replaced with European product 3 x 2 · resistor 1/2W → 1W replaced 3 x 2 · vacuum tube socket caulking repair. Replace with a product similar to No. 57078 vacuum tube socket. QUAD22 · Internal Toggle Switch Contact Failure Replacement · Spark Killer Deterioration Replacement 2 pcs · Film Capacitors 0.5 μF and others Deterioration Replacement 8 pcs · Electrolytic Capacitors Replaced with European Products · 6 Resistors 1W and 1/2W Deterioration Replacements · CD Input Reduction Measures for Radio1 Only → 1/4 W Resistance Added 4 · RCA Jack Caulking Repair. Other operation checked (measured at 11 to 17 W SP: 16 Ω with rated output AC 100 to 117 V) *The P/U adapter is an AA type. (Please use the black terminal when listening in mono) Accessories: instruction manual (copy), power cord Main specifications: 11-17W (16Ω) [QUAD22] EF86 × 2 ECC83 × 2 input PHONO, RADIO, TAPE W267 × H89 × D148 mm 3.2 kg [QUAD2] KT66 × 4 EF86 × 2 GZ32 15W+15W W321 × H162 × D119 mm 8.2 kg/unit

EC-138 TYPE

This item has been sold.You can't purchase now. 25-48420-25962-00
EC-138 TYPE
Manufacture:不明
Price: JPY 31,818(pair)Sold Out
Arrival: 2025-12-18 20:28:18
description
It is an exquisitely crafted enclosure similar to JBL's EC-138. The size and compatible units remain the same, but exterior corner specifications and sound absorbing materials are different from the original. The construction itself is well-built, perfect for those who like to make their own. There are scratches and bumps on the exterior. (TAMURA Eiji) Accessories: saran net, MA-15 (8 pieces) Main specifications: W555 × H845 × D430 mm

606 TYPEU.S.A

This item has been sold.You can't purchase now. 25-48195-24159-00
606 TYPE
Manufacture:ALTEC
Price: JPY 316,364(pair)Sold Out
U.S.A
Arrival: 2025-11-24 19:45:22
description
The disposal price has been reduced. Member discounts are not applicable. 2025/11/24 sales price 598,000 yen 2023/1, both exterior and unit have been maintained. The bottom finish is different on the left and right. Mount the 604C green unit to the Altec Consumer No. 1 corner type enclosure! It's a pretty sensible sound that feels like ICONIC! I feel that the balance between the volume and shape of the unit and enclosure, and how to cut the bass reflex is perfect. It's unclear where the enclosure is from, but the finish makes me feel that the hearing test was repeated after actually setting the 604C. In addition to the exterior, peeling of the veneer on one side of the bottom, small scratches, chips, paint deterioration, and lots of cracks on the sides, etc., dullness and a feeling of use can be seen (Kobayashi Hitoshi) Maintenance information: 2025.11.23 Operation confirmed 2023.1.6 maintenance (exterior cleaning, repair of peeling part on one side of the bottom. Unit high frequency magnetic circuit gap cleaning center adjustment, single-sided woofer edge crack repair.) Accessories: none Main specifications: [604C] 15 inch coaxial 2 way 16 ohm frequency band 30-22000 Hz [N1600A] crossover frequency 1600 Hz W910 x H933 x D614 mm

Ultra-Pure mk2/7.4mU.S.A

This item has been sold.You can't purchase now. 25-48179-24331-00
Ultra-Pure mk2/7.4m
Manufacture:DH LABS
Original price: JPY 39,960
Price: JPY 15,273(pair)Sold Out
U.S.A
Shop: Osu shop
Arrival: 2025-12-01 19:48:34
description
The 7.4m pair end of the speaker cable is an unprocessed OFHCC continuous crystal copper long type that is clear and bright, and has a slightly tough sound with sharpness throughout. Perfect for rock and jazz (Kojima Yosuke) Accessories: none

PMA-2000Japan

Ask 25-47920-21587-00
PMA-2000
Manufacture:DENON
Original price: JPY 100,000
Price: JPY 49,818
Japan 1996 made
Arrival: 2025-11-15 19:31:22
description
The price has been reduced. 2025/11/15 Sales price 59,800 yen Manufacturer maintenance completed. The first generation of the highly popular Denon Primaine 2000 series. The strong and elastic sense of power is the best in the series, and the driving ability is excellent. The overwhelming cost performance is attractive. It is MM/MC compatible, which is great even for analog fans, and record playback is perfect. You can see a feeling of use, such as appearance, dullness, abrasions, etc. (Kobayashi Hitoshi) Maintenance information: 2025.11.14 manufacturer maintenance completed (main VR tightening, function SW, SP relay disassembly and cleaning. (Other inspection of each part, operation sound test) Accessories: copy of instruction manual, power cord Main specifications: 160W+160W (4Ω) line input 4 systems phono 1 system (MM/MC switching: back switch) tape system 2 systems W434 x H180 x D478 mm 20 kg

M-CR612Japan

This item has been sold.You can't purchase now. 25-48418-25928-00
M-CR612
Manufacture:marantz
Original price: JPY 90,000
Price: JPY 45,273 Sold Out
Japan 2019 made
Arrival: 2025-12-16 20:04:04
description
Current network receiver amplifier compatible with high-resolution sound sources such as network DSD playback. It is compatible with streaming services using HEOS technology recommended by D&M, voice control with Amazon Alexa, etc., and is perfect for ease of use. A CD player is also equipped, and a wide FM/AM tuner can also be received. The exterior is generally in good condition except that there is a very small scratch on the back of the top plate. Serial FNBGY27220170209 (Yamato Yuki) Maintenance information: 2025.12.16 Operation confirmed Accessories: Remote control instruction manual, power cable, AM antenna, FM antenna, original box Main specifications: rated output 50W+50W (6Ω) DSD (2.8/5.6MHz) FLAC/WAV/Apple Lossless (192kHz/24bit) 2.4/5GHz dual-band Wi-Fi equipped voice input terminal analog x 1, optical digital x 2 USB-A x 1 W280 x H111 x D303 mm 3.4 kg

DCD-S10/3Japan

Ask 25-48390-25670-00
DCD-S10/3
Manufacture:DENON
Original price: JPY 220,000
Price: JPY 81,636
Japan 1999 made
Shop: Osu shop
Arrival: 2025-12-15 20:20:07
description
The 3rd generation model of the S10 series. Equipped with analog waveform reproduction technology AL24 Processing. The degree of perfection of the sound is extremely high, and in addition to the heavy mid-low range, the music is pleasantly enjoyable with colorful tones unique to Denon. There is a small scratch on the tray, and the manual is dirty (Sasaki Shota) Maintenance information: 2025.12.15 operation confirmed Accessories: remote control, manual, power cable Main specifications: 24bit/96kHz alpha processor, HDCD decoder with DA converter function (coaxial/optical switching), W430 x H130 x D330 mm, 14 kg

8030AFinland

Ask 25-48214-24266-00
8030A
Manufacture:Genelec
Price: JPY 34,364(only one piece)
Finland
Shop: Osu shop
Arrival: 2025-11-26 20:05:38
description
The price has been drastically reduced. 2025/11/26 sales price 45,000 yen ※1 bottle only. Comes with a rubber stand GENELEC POWERED MONITOR SPEAKER. It is an ideal near-field system for monitoring. The high-rigidity aluminum enclosure not only looks good, but also enables a perfect listening experience. It is in good condition without major damage (Oikawa Tetsuji) Maintenance information: 2025.11.26 Operation confirmed Accessories: power cable, rubber stand Main specifications: frequency characteristics 58Hz-20kHz (-6 dB) amplifier output LF40W/HF40W output sound pressure level 108 dB H285 × W189 × D178 mm weight 5.6 kg

D130U.S.A

Ask 25-47670-19646-00
D130
Manufacture:JBL
Original price: JPY 146,200
Price: JPY 58,909(pair)
U.S.A 1976 made
Arrival: 2025-10-04 19:51:52
description
The disposal price has been reduced. Member discounts are not applicable. 2025/10/4 sales price 79,800 yen*Inexpensive because the cone has torn paper repair marks on one side. JBL's 38cm cone type full range unit. Unlike modern heavy bass, it reproduces bright and light low frequencies. It is a standard unit that can do many kinds of sound makeup depending on the driver or tweeter that fits perfectly. There is a feeling of use such as a dent on the center cap. Serial 81651/81625 (Takasaki Atsushi) Maintenance information: 2025.10.4 sound output confirmed 2024.11.20 Maintained (cone paper repair on one side) Accessories: none

MQ68CJapan

Ask 12-70550-64172-00
MQ68C
Manufacture:LUXMAN
Original price: JPY 89,000
Price: JPY 152,727
Japan 1978 made
Arrival: 2025-12-09 19:57:08
description
Refresh yourself with an overhaul such as replacing vacuum tube sockets and capacitors! After all, the warm and glossy sound quality is excellent for stringed instruments. It has a soft and vivid sound not found in transistors, making it perfect for listening for long periods of time. The exterior has dullness, small scratches, etc. Serial E1800423 (Fujisawa Yukishi) Maintenance information: 2025.12.9 Maintained (replaced due to defective vacuum tube (6240G). The bias, DC balance, and distortion have been adjusted again. Load test (8Ω load 1kHz 24W+24W), input/output waveform check, sound output check performed) 2025.11.18 maintained (vacuum tubes (50CA10 x 4 pieces), 4 vacuum tube sockets, 4 electrolytic capacitors, 2 film capacitors, 4 oil capacitors, 2 RCA terminals, 8 semi-fixed VR, 2 spark killers, SP terminals, 5 diodes, micro SW, fuse, power cord replacement. Load test (8Ω load 1kHz 24W+24W), input/output waveform confirmation, sound output check) Accessories: No accessories Main specifications: 50CA10 push-pull output 30W+30W W410 x H183 x H160 mm 13.8 kg

MQ68CJapan

Ask 21-31242-07648-00
MQ68C
Manufacture:LUXMAN
Original price: JPY 89,000
Price: JPY 152,727
Japan 1978 made
Arrival: 2025-12-02 16:39:57
description
The interior has been thoroughly reviewed, such as replacing the vacuum tube socket and condenser, and has been refreshed with a bu-overhaul! After all, the warm and glossy sound quality is excellent for stringed instruments. It has a soft and vivid sound not found in transistors, making it perfect for listening for long periods of time. The exterior is dull. Serial 811243 (Tomonori Asaine) Maintenance information: 2025.8.11 Maintained (vacuum tube (50CA10×4), vacuum tube socket, electrolytic capacitor, film capacitor, RCA terminal, semi-fixed VR, spark killer, SP terminal, diode, micro SW, fuse replacement. Load test (8Ω load 1kHz 25W+25W), input/output waveform confirmation, and sound output check *About the NFB changeover switch This unit is equipped with an NFB changeover switch so that you can select the desired sound quality. (However, if you operate this switch during operation of this unit, shock noise will occur, so be sure to turn off the NFB ON-OFF before switching the power switch.) Accessories: none Main specifications: 50CA10 push-pull output 30W+30W W410 × H183 × H160 mm 13.8 kg

MC2500U.S.A

Ask 25-48033-22655-00
MC2500
Manufacture:McIntosh
Original price: JPY 1,180,000
Price: JPY 361,818
U.S.A 1980 made
Arrival: 2025-11-28 19:53:05
description
Maintained! The flagship model of the Macintosh power amplifier, the black version. 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. The exterior has dirt scratches, etc. Serial JCS4855 (Tamura Eiji) Maintenance information: 2025.11.28 Maintained (cleaned due to power supply board pattern leak. Replace the input ATT, lamp, and ground spring. Mode switch disassembly polishing cleaning protective agent application. Card edge contact and connector cleaning. Solder correction. Bias and offset checks. I checked the output sound. (*Electrolytic capacitors have been replaced) Accessories: power cable Main specifications: 500W+500W (1000W when mono) equipped with power guard circuit W483 x D465 x H263 mm 60.3 kg

4312Bmk2U.S.A

Ask 25-46947-14392-00
4312Bmk2
Manufacture:JBL
Original price: JPY 176,000
Price: JPY 161,818(pair)
U.S.A 1999 made
Arrival: 2025-09-16 20:32:19
description
Maintenance has been completed, including the exterior, unit and attenuator cleaning. JBL's classic monitor speaker. Although it is medium in size, its crispness and low-frequency extrusion feel are perfect for jazz and rock. The line is also thick, and it plays an amazing JBL sound (Kobayashi Hitoshi) Maintenance information: 2025.9.17 maintenance completed (exterior cleaning/touch repair, surface retraction, unit maintenance: woofer midcone paper painting/frame polishing, TW grill dent correction, ATT cleaning) Accessories: saran net Main specifications: 3-way 3-speaker bass reflex bookshelf type 93dB 6Ω W362 x H597 x D298 mm 20 kg

Integra A-917Japan

Ask 25-46670-12110-00
Integra A-917
Manufacture:ONKYO
Original price: JPY 85,000
Price: JPY 49,818
Japan 1990 made
Arrival: 2025-07-22 20:08:38
description
The price has been reduced! 2025/7/23 sales price 59,800 yen Maintained! An amplifier characterized by a clear and clean sound typical of ONKYO. It is also compatible with MM/MC, and LP playback is perfect. It is an easy-to-use model that is also suitable for beginners. There is a feeling of wear on the exterior, such as scratches and dullness. Serial 6107016044 (Yamato Yuki) Maintenance information: 2025.7.22 maintained (output relay, balance volume, master volume (no motor), power switch replacement switch disassembly and polishing (INPUT [panel, 2 internal switches)]/SOUCE DIRECT/REC SELECTOR/ CARTRIDGE/MODE/SUBSONIC/ATTENUATOR) solder repair and other volume cleaning pin jack polishing Internal inspection, cleaning, confirmation of each input/output, operation inspection The volume will be motorless, but the remote control will not work. (*The center click on the balance knob is slightly to the left, but the sound is in the center) Accessories: copy of instruction manual Main specifications: 100W+100W (6Ω) 80W+80W (8Ω) PHONO input 1 system (MM/MC switching) W455 x H170 x D430 mm 17 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

LX200BU.S.A

Ask 18-17944-37618-00
LX200B
Manufacture:JBL
Original price: JPY 70,000
Price: JPY 54,364(pair)
U.S.A 1978 made
Shop: Osu shop
Arrival: 2018-08-31 20:14:29
description
The price has dropped drastically. 2018/8/31 sales price 79,800 yen The capacitor has been replaced with a JENTZEN film capacitor! The network used in the L200B. Perfect for 2-way use assuming a JBL 15 inch woofer. It is a rare network with a thick and powerful sound. There are stains and small scratches on the exterior (Wang Zhan) Maintenance information: Maintained on 2015.7.7 (terminals replaced with banana plug compatible products. The connection part of the input wiring was changed to a gobble. ATT exchange. Check the input/output waveform and balance, and check the sound output. Frequency characteristic measurement check) 2011.7.21 Maintained (capacitor - replacement, silicon bond application, ATT contact check, rivet repair, characteristic check, sound and waveform check, interior cleaning, etc.) Accessories: none Main specifications: 8Ω 800Hz 150W mounting opening W91xH98mm screw pitch left and right 111 mm top and bottom 143 mm
2.5mmバランスケーブル(IER-Z1R用)
Manufacture:SONY
Price: JPY 8,182
Shop: Osu shop
Arrival: 2022-07-04 20:13:46
description
The price has been reduced. 2022/7/4 sales price 12,000 yen 2.5mm plug specification for genuine balance cable for IER-Z1R. Shafts have been exchanged with perfect accuracy. If you have an DAP with a 2.5 mm balance terminal such as Astell&Kern, this is for you. (SASAKI Shota) Maintenance information: 2022.7.4 sound output confirmed Accessories: none
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