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Manufacture | Model/Title | Price | Arrival date

EQ-500Japan

Ask 24-43027-11968-00
EQ-500
Manufacture:LUXMAN
Original price: JPY 500,000
Price: JPY 389,091
Japan 2017 made
Shop: Osu shop
Arrival: 2024-06-03 20:01:07
description
Luxman's current phono equalizer that uses a non-feedback CR amplifier circuit using an all-stage vacuum tube has arrived! Using vacuum tubes, 4 independent Super Permaloy MC boost transformers and 4 output transformers are mounted on the left, right, and low/high, respectively. It is a model that emphasizes sound quality, using a VU meter and OFC, which are fun to look at. It is one that can be controlled in a variety of ways. There are small wounds and dullness (Sasaki Shota) Maintenance information: 2024.6.3 operation confirmed Accessories: original box, manual, power cable Main specifications: circuit method: SRPP, terminal cathode follower, non-feedback CR type equalizer (RIAA) vacuum tube: ECC83 x 4, ECC82 x 2, EZ81 x 1 input sensitivity (1 kHz, when gain is switched 36 dB): MM 4mV, MC high 0.44mV, MC low 0.18mV input impedance: mm30kΩ to 100kΩ (variable), MC high 40Ω, MC low 2.5Ω gain (1kHz, when gain is switched at 36 dB): mm36dB, MC High55dB, MC Low63dB S/N ratio mm76dB, MC High75dB, MC Low74dB W440 x H92 x D397mm weight 12.5 kg

TRX-HD82Japan

Ask 24-43049-12116-00
TRX-HD82
Manufacture:TRIODE
Original price: JPY 95,000
Price: JPY 22,545
Japan 2011 made
Arrival: 2024-06-03 19:57:51
description
※It is inexpensive because it leaves cracks in the VOL. A headphone amplifier that allows you to enjoy the sound of 2 systems: a vacuum tube and a transistor. It has a built-in USB DAC compatible with 24 bit 96 kHz, and it is a blissful item that allows you to immerse yourself in both digital and analog worlds to your heart's content. Scratches on the transformer area are slightly noticeable. Serial 12060066 (Fujisawa Yukishi) Maintenance information: 2024.6.3 operation confirmed (sound output OK, gaps remain in VOL) Accessories: instruction manual, power cord Main specifications: Vacuum tube using a class single headphone amplifier 6BM8 x 2 vacuum tube output 20Ω to 600Ω (45mW to 135mW) transistor output 12Ω to 300Ω (40mW to 135mW) frequency characteristics 10Hz to 50,000 Hz SNR 89dB power consumption 30W size W190 x H150 x D250 mm mass 4.7 kg

CV378

Ask 24-42457-11504-00
CV378
Manufacture:Mullard
Price: JPY 9,091
Shop: Osu shop
Arrival: 2024-06-02 20:10:25
description
Sold per bottle, rectifier tube, GZ37 equivalent tube, made in England, measured value 62 (rejected value 40) with original box ※The measured value shows the gM value measured with the test machine TV-7 (Kojima Yosuke) Accessories: original box

CV378

Ask 24-42457-11502-00
CV378
Manufacture:Mullard
Price: JPY 9,091
Shop: Osu shop
Arrival: 2024-06-02 20:10:20
description
Sold per bottle, rectifier tube, GZ37 equivalent tube, made in England, measured value 62 (rejected value 40) with original box ※The measured value shows the gM value measured with the test machine TV-7 (Kojima Yosuke) Accessories: original box

CV378

Ask 24-42457-11501-00
CV378
Manufacture:Mullard
Price: JPY 9,091
Shop: Osu shop
Arrival: 2024-06-02 20:10:14
description
Single sale rectifier tube GZ37 equivalent tube heat pipe made in England measured value 64 (rejected value 40) with original box ※The measured value shows the gM value measured with the test machine TV-7 (Kojima Yosuke) Accessories: original box

CV378

Ask 24-42457-11500-00
CV378
Manufacture:Mullard
Price: JPY 9,091
Shop: Osu shop
Arrival: 2024-06-02 20:10:08
description
Single sale rectifier tube GZ37 equivalent tube heat pipe made in England measured value 64 (rejected value 40) with original box ※The measured value shows the gM value measured with the test machine TV-7 (Kojima Yosuke) Accessories: original box

EL35

Ask 24-42457-11439-00
EL35
Manufacture:Zaerix
Price: JPY 20,909(pair)
Shop: Osu shop
Arrival: 2024-06-02 20:09:58
description
Pair tube, 5 pole tube, smoke mesh plate, made in England, measured value 34/34 (rejected value 25) with white box ※Pairs are determined based on gM values measured with the test machine TV-7 (Kojima Yosuke) Accessories: white box

EL35

Ask 24-42457-11438-00
EL35
Manufacture:Zaerix
Price: JPY 20,000(pair)
Shop: Osu shop
Arrival: 2024-06-02 20:09:58
description
Pair tube, 5 pole tube, smoke mesh plate, made in England, measured value 36/36 (rejected value 25) with white box, so it's inexpensive because it makes a rattling noise in 1 tube ※Pairs are determined based on gM values measured with the test machine TV-7 (Kojima Yosuke) Accessories: white box

EL35

Ask 24-42457-11437-00
EL35
Manufacture:Zaerix
Price: JPY 22,727(pair)
Shop: Osu shop
Arrival: 2024-06-02 20:09:57
description
Pair tube, 5 pole tube, smoke mesh plate, made in England, measured value 40/40 (rejected value 25) with white box ※Pairs are determined based on gM values measured with the test machine TV-7 (Kojima Yosuke) Accessories: white box

CV378

Ask 24-42457-11503-00
CV378
Manufacture:Mullard
Price: JPY 9,091
Shop: Osu shop
Arrival: 2024-06-02 20:09:56
description
Sold per bottle, rectifier tube, GZ37 equivalent tube, made in England, measured value 62 (rejected value 40) with original box ※The measured value shows the gM value measured with the test machine TV-7 (Kojima Yosuke) Accessories: original box

RubyJapan

Ask 24-43048-12107-00
Ruby
Manufacture:TRIODE
Original price: JPY 75,000
Price: JPY 54,364
Japan 2012 made
Arrival: 2024-06-02 20:07:57
description
Triode line exclusive vacuum tube premain developed with the novel concept of an amplifier for women. With its compact, exquisite size and high design, it can be used in a variety of situations. The exterior is good with only a small scratch and there is little feeling of use. (Kobayashi Hitoshi) Maintenance information: 2024.6.1 operation confirmed Accessories: power cable Main specifications: output 3W+3W (8Ω) vacuum tubes 6BQ5 x 2, 12ax7 x 2, dimensions W190 x D180 x H135 mm weight 4.7 kg

AC-2Japan

24-42958-11423-00
AC-2
Manufacture:Accuphase
Original price: JPY 58,000
Price: JPY 63,455
Japan 1980 made
Shop: Osu shop
Arrival: 2024-05-31 20:07:06
description
It hasn't been in stock in a long time! Accuphase Premium Cartridges Using a sapphire tube cantilever, the sound is straightforward with no specific sound, almost no distortion, and a perfect sense of range. Now it's a manufacturer that pushes ahead with the cutting edge of digital audio, but it's a cartridge where you can once again feel the high level of analog audio technology (Yamato Yuki) Maintenance information: 2024.5.31 operation confirmed Accessories: The original box needle cover is missing Main specifications: MC type output voltage 0.18 mV needle pressure 1.5 to 2.5 g optimal 2 g impedance 4 ohms line contact needle

KT88

This item has been sold.You can't purchase now. 24-42212-05470-00
KT88
Manufacture:GOLD LION
Price: JPY 10,000(pair)Sold Out
Shop: Osu shop
Arrival: 2024-05-31 19:59:08
description
Pair tube Russian reprint model lot: 1903/1903 measured value 52/50 (rejected value 44) side getters with original box have been reduced ※Pairs are judged based on gM values measured with the test machine TV-7 (Kojima Yosuke)

KT88

This item has been sold.You can't purchase now. 24-42212-05268-00
KT88
Manufacture:GOLD LION
Price: JPY 11,818(pair)Sold Out
Shop: Osu shop
Arrival: 2024-05-31 19:59:05
description
Pair tube Russian reprint model lot: 1903/1902 measured value 54/48 (rejected value 44) with original box*Pairs are judged based on gM values measured by testing machine TV-7 (Kojima Yosuke) Accessories: original box

EL34

This item has been sold.You can't purchase now. 24-42589-09135-00
EL34
Manufacture:BRIMAR
Price: JPY 11,818(pair)Sold Out
Shop: Osu shop
Arrival: 2024-05-31 19:59:03
description
The pair tube is thought to be made by TESLA due to its 6CA7 compatible ball brown base double ring getter structure. Measured value 50/48 (rejected value 30) There is a getter burn with a white box*The pair is determined based on the GM value measured with the test machine TV-7 (Kojima Yosuke) Accessories: white box

300BEH

Ask 24-42935-11215-00
300BEH
Manufacture:ELECTRO HARMONIX
Price: JPY 19,091(pair)
Shop: Osu shop
Arrival: 2024-05-31 19:58:50
description
Pair tube direct heat triode tube, white base, made in Russia, measured value 84/76, rejected value 58) with replacement box ※Pairs are determined based on gM values measured by testing machine TV-7 (Kojima Yosuke) Accessories: replacement box

PRIME 300B

Ask 24-42935-11214-00
PRIME 300B
Manufacture:SUN VALLEY
Price: JPY 5,909(only one piece)
Shop: Osu shop
Arrival: 2024-05-31 19:58:44
description
※Only 1 bottle Sun Valley Sorting Ball Direct Heat Triode, Brown Base, Gold Foot, Made in China, Measured Value 66 (Rejected Value 58) with white box*Measured values are GM values measured with the TV-7 testing machine (Kojima Yosuke) Accessories: white box

13D5

This item has been sold.You can't purchase now. 24-42589-09153-00
13D5
Manufacture:BRIMAR
Price: JPY 9,091 Sold Out
Shop: Osu shop
Arrival: 2024-05-31 19:58:21
description
Sold 1 bottle ECC82/12AU7 compatible ball, military tube, made in England, measured value 98 (rejected value 56) with original box ※The measured values indicate gM values measured with the test machine TV-7 (Kojima Yosuke)

13D5

This item has been sold.You can't purchase now. 24-42589-09152-00
13D5
Manufacture:BRIMAR
Price: JPY 9,091 Sold Out
Shop: Osu shop
Arrival: 2024-05-31 19:58:16
description
Sold 1 bottle ECC82/12AU7 compatible ball, military tube, made in England, measured value 100 (rejected value 56) with original box ※The measured values indicate gM values measured with the test machine TV-7 (Kojima Yosuke) Accessories: original box

CV4085

Ask 24-42631-09042-00
CV4085
Manufacture:不明
Price: JPY 8,182
Shop: Osu shop
Arrival: 2024-05-31 19:58:13
description
Sold 1 bottle EF86/6267 compatible ball, military high reliability tube mesh measurement value 46 (rejected value 33), seems to be made by GEC due to the structure. Comes with a white box ※The measured values indicate GM values measured with the testing machine TV-7 (Kojima Yosuke) Accessories: white box

MQ60Japan

Ask 13-74216-86053-00
MQ60
Manufacture:LUXMAN
Original price: JPY 79,000
Price: JPY 152,727
Japan 1969 made
Arrival: 2024-05-31 19:36:51
description
Maintained! A power amplifier with a separate name for the main part of the SQ38F series. The natural, smooth sound quality with a high sense of transparency is attractive. You can relax and enjoy classical music and vocals in a natural way. The deep sound quality that cannot be expressed with the latest vacuum tube amplifiers is exceptional. There is a slight feeling of use (Murakoshi Yoichi) Maintenance information: 2024.5.29 maintenance (vacuum tube sockets, block capacitors, electrolytic capacitors, oil capacitors, SP and RCA terminals, semi-fixed VR, fuse holder replacement. SW/VOL disassembly contacts are re-polished, and grease is applied to prevent oxidation and sulfidation. Input/output waveform confirmation, load test (8Ω load 1kHz 30W/30W), input/output waveform confirmation, sound output check performed.) Accessories: instruction manual (copy) Main specifications: output 30W+30W dimensions W410 x H160 x D205 mm weight 13.8 kg

SQ-N100Japan

Ask 24-42860-10538-00
SQ-N100
Manufacture:LUXMAN
Original price: JPY 180,000
Price: JPY 125,455
Japan 2007 made
Arrival: 2024-05-31 19:36:25
description
Maintained by the manufacturer! Long-established Luxman compact vacuum tube type premain. The neat design and simple operability make you feel like it's a new era, but it has a sturdy finish that is warm and new, such as adopting a traditional OY type transformer. The sharp vacuum tube sound is attractive. There are line marks on the exterior and top surface, and dullness all over (Murakoshi Yoichi) Maintenance information: 2024.5.29 manufacturer maintenance (BASS, TREBLE volume replacement. Input selector switch contact cleaning, inspection of each part, general adjustment) Accessories: remote control, power cable, original box Main specifications: rated output 12W+12W (6Ω), 10W+10W (8Ω/4Ω) vacuum tube ECC83 x 1, ECC82 x 2, EL84 x 4, 3 input lines, Phono (MM compatible) 1 system frequency characteristics 20 Hz to 50 kHz W297 x H162 x D258 mm 11.5 kg

PASU.S.A

Ask 24-42757-09732-00
PAS
Manufacture:DYNACO
Price: JPY 107,273
U.S.A
Arrival: 2024-05-30 20:08:58
description
The price has been reduced. 2024/5/30 sales price 128,000 yen Maintained! This is a Dynaco tubular control amplifier. It is an amplifier where you can enjoy the warm and comfortable sound unique to vintage. While the microwave feel is moderate, the nostalgic sound with an emphasis on atmosphere has a unique, hard-to-get flavor. There is a feeling of use such as rust stains on the top and sides, and rust etc. on the knobs (Murakoshi Yoichi) Maintenance information: 2024.5.29 maintenance (12AX7, 2000 μF electrolytic capacitor, 1 μF replacement, 1/4 W resistance added as a measure to improve switching noise, vacuum tube socket and RCA jack caulking repair, parts check including block capacitors, and operation check with AC 100 to 117 V) Accessories: none Main specifications: vacuum tube 12 AX7 x 4, 12 x 4 line input 5 systems phono 1 system (mm) 1 pre-out system W385 x H134 x D230 mm 7 kg

MARK-3U.S.A

This item has been sold.You can't purchase now. 24-42755-09724-00
MARK-3
Manufacture:DYNACO
Original price: JPY 174,000
Price: JPY 134,545(pair)Sold Out
U.S.A 1976 made
Arrival: 2024-05-30 19:50:55
description
Maintained. DYNACO's tubular mono power amplifiers are highly popular. The sleek, straight, and energetic sound that comes out of the small body is attractive. Combinations with Altech and JBL are a staple, and they make jazz and rock sounds powerful and full of realism. You can see a feeling of use on the exterior, dullness, rust, scratches, etc. (Murakoshi Yoichi) Maintenance information: 2024.5.29 maintenance (board peeling and re-soldering treatment, block capacitor 30/20/20 μF replacement, film capacitor 0.047 μF → 0.1 μF original, electrolytic capacitor 50 μF, resistance 1W → 1/2 W original replacement, BIAS readjustment/RCA jack and vacuum tube socket caulking repair. Operation check) 2016.2.27 Maintained (AC cord, cord stopper, input terminal, capacitor (47uF100V) resistor (47k, 270k, 470k, 1M) 1/2 w, replacement of 2 vacuum tubes (6550), bias adjustment) Accessories: copy of instruction manual Main specifications: tubular mono power amplifier using vacuum tube KT88/5AR4/6AN8A output 60W/140W W229 × H190 × D229 mm 11.5 kg

SQ38FDJapan

This item has been sold.You can't purchase now. 23-41385-26969-00
SQ38FD
Manufacture:LUXMAN
Original price: JPY 168,000
Price: JPY 216,364 Sold Out
Japan 1974 made
Arrival: 2024-05-28 20:04:06

SV-8800SEJapan

This item has been sold.You can't purchase now. 24-89024-11643-00
SV-8800SE
Manufacture:SUNVALLEY
Original price: JPY 383,800
Price: JPY 198,182 Sold Out
Japan
Arrival: 2024-05-26 19:56:22
description
The price has been reduced. 2024/5/26 sales price 228,000 yen 2023/10 manufacturer maintenance completed! The flagship stereo power amplifier model with a KT120 push-pull configuration by Sun Valley. An output transformer with a bifiler-wound custom-made by Hashimoto Electric is used. It achieves both a wide range of sound that is pleasant to listen to. This is a powerful power amplifier that can make even vintage speakers sound with modern speakers. The exterior is dull (Hiura Katsuji) Maintenance information: 2023.10.20 manufacturer maintenance (PT replacement with a brand new product, carrying out energization after returning the remodeled point to a normal state, measurement of voltage of each part and measurement of various characteristics, music playback test) Accessories: power cable Main specifications: used vacuum tube KT120 push-pull 55W+55W KT120 x 4 (TUNG-SOL), 12BH7A x 4 (ELECTRO HARMONICS), CV4003 x 2 W400 x H380 x D220 mm 32 kg

CV1988

This item has been sold.You can't purchase now. 24-42589-09139-00
CV1988
Manufacture:不明
Price: JPY 29,091(pair)Sold Out
Shop: Osu shop
Arrival: 2024-05-25 19:58:21

C22U.S.A

This item has been sold.You can't purchase now. 24-42675-09009-00
C22
Manufacture:McIntosh
Price: JPY 543,636 Sold Out
U.S.A 1962 made
Arrival: 2024-05-25 19:55:40
description
Carefully maintained, including replacing glass panels with new ones! An original C22, a famous machine admired by enthusiasts. The thick, soft, and strongly extruded tone is a pleasant tone that can only be experienced with an old McKinn. It has a rich tone centered around the middle range with a high concentration, and it sounds with plenty of realism. The legs are alternative rubber feet (adhesive). You can see a feeling of use such as appearance, dullness, small scratches, etc. (Kobayashi Hitoshi) Maintenance information: 2024.5.25 maintained (vacuum tube cover, replacement, front panel replacement, 0.01 μF, etc., replacement, 6 electrolytic capacitors, 40 μF replacement, resistance, 1 W and 1/2 W replacement, 8 switching noise improvement measures, 1/4 W, 6 additional resistors, vacuum tube socket and RCA jack, re-caulking repair, etc. Operation checked with AC 100 to 117 V (if you are concerned about sound leakage when volume is minimal, on the top Please narrow down OUT LEVEL)) Accessories: copy of instruction manual Main specifications: 117 V specification, 4 input systems, 2 phono systems, frequency characteristics, 20 Hz to 20 kHz (± 0.5 dB), signal-to-noise ratio, 85 dB (high level), 62.5 dB (low level), distortion ratio 0.2%, W406 x H138 x D330 mm, 7.3 kg

L-55AJapan

Ask 24-42706-09252-00
L-55A
Manufacture:LUXMAN
Original price: JPY 119,000
Price: JPY 63,455
Japan
Arrival: 2024-05-25 19:52:58
description
Maintained! Although it is a transistor amplifier, it has a warm sound like a vacuum tube with a faint scent. While it is glossy, it is also strong, so you can use it with any speaker. Exterior, dullness, scuff marks, rust, corrosion, etc. can be seen (Kobayashi Hitoshi) Maintenance information: 2024.5.25 Maintained (main amplifier circuit fault repair fuse replacement. Switch and volume affinity correction) Accessories: none Main specifications: 80W+80W (8Ω) W466 x H181 x D378 mm 15 kg

6SL7WGT

Ask 24-42407-06737-00
6SL7WGT
Manufacture:PHILIPS ECG
Price: JPY 7,273(pair)
Shop: Osu shop
Arrival: 2024-05-23 20:03:16
description
Pair tube double triode tube, made in America, JAN measurement value 80/76 (rejected value 32) *Pairs are determined based on gM values measured with the test machine TV-7 (Kojima Yosuke) Accessories: white box

6SL7WGT

Ask 24-42407-07132-00
6SL7WGT
Manufacture:PHILIPS ECG
Price: JPY 7,273(pair)
Shop: Osu shop
Arrival: 2024-05-23 20:03:15
description
Pair tube double triode tube, made in America, JAN measurement value 74/72 (rejected value 32) *Pairs are determined based on gM values measured with the test machine TV-7 (Kojima Yosuke) Accessories: white box

6B4G

Ask 24-42838-10913-00
6B4G
Manufacture:RAYTHEON
Price: JPY 16,364(pair)
Shop: Osu shop
Arrival: 2024-05-23 19:51:30
description
Pair tube direct heat triode tube American-made smoke measurement value 68/68 (rejection value 38) with white box (lid claws are missing) *Pairs are determined based on gM values measured by the testing machine TV-7 (Kojima Yosuke) Accessories: white box

6B4G

Ask 24-42838-10912-00
6B4G
Manufacture:RAYTHEON
Price: JPY 16,364(pair)
Shop: Osu shop
Arrival: 2024-05-23 19:51:28
description
Pair tube direct heat triode tube American-made smoke measurement value 72/70 (rejection value 38) with white box (lid claws are missing) *Pairs are determined based on gM values measured by the testing machine TV-7 (Kojima Yosuke) Accessories: white box

SV811-3

Ask 24-42617-08589-00
SV811-3
Manufacture:Svetlana
Price: JPY 15,455(pair)
Shop: Osu shop
Arrival: 2024-05-23 19:51:15
description
Pair tube direct heat triode tube made in Russia measured value 72/72 (rejected value 38) with original box (inner cushioning material has deteriorated) *Pairs are determined based on gM values measured with the testing machine TV-7 (Kojima Yosuke) Accessories: original box

EL34

Ask 24-42838-10909-00
EL34
Manufacture:Mullard
Price: JPY 14,545
Shop: Osu shop
Arrival: 2024-05-23 19:50:37
description
1 bottle sold in England Xf1 6CA7 compatible ball tea base double ring getter date code: Xf1 B1I4 measured value 46 (rejected value 30) with white box (written on the box), there is getter burn, and it has decreased slightly (Kojima Yosuke) Accessories: white box

SV811-3

Ask 24-42617-09090-00
SV811-3
Manufacture:Svetlana
Price: JPY 15,455(pair)
Shop: Osu shop
Arrival: 2024-05-23 19:50:34
description
Pair tube direct heat triode tube made in Russia measured value 72/70 (rejected value 38) with original box (inner cushioning material has deteriorated) *Pairs are determined based on gM values measured with the testing machine TV-7 (Kojima Yosuke) Accessories: original box

MC240U.S.A

Ask 24-42507-07589-00
MC240
Manufacture:McIntosh
Price: JPY 430,000
U.S.A 1960 made
Arrival: 2024-05-19 20:00:00
description
The price has been reduced! 2024/5/19 sales price 498,000 yen Maintenance has been completed, such as capacitor replacement/replacement of deteriorated parts! It is a famous machine with a velvet transformer, and you can enjoy rich sound with stable operation. The fresh, glossy tone in the mid to high range has a different appeal from the MC275. The exterior has a feeling of use over time, such as dullness and small scratches (Hiroki Aso) Maintenance information: 2024.5.19 Maintained (volume curing improvement treatment for TWIN, 2W oil capacitor replaced with 0.01μF, 3W oil capacitor replaced with 0.5 μF, missing thermistor, replacement, 250μF, domestic CE replacement, block capacitor 100/30 μF defective replacement, oil capacitor 0.22 μF defective replacement electrolytic capacitor 20μF, etc. Deterioration replacement resistor 2W deterioration replacement Vacuum tube socket and RCA jack caulking repairs ※ Other operation checks have been performed (measured at 41 to 58 W with rated output AC 100 to 117 V, SP: 8 Ω) ※ The power transformer groans a little, but there is no problem with performance) Accessories: A copy of the English instruction manual Main specifications: 40W+40W 6L6GCPP vacuum tube 6L6GC × 4 12AX7 × 3 12AU7x2 12BH7 × 2 frequency characteristics 16 to 40,000 Hz dimensions W400 × D265 × H195 mm weight 25 kg

MQ60Japan

Ask 13-78888-12767-00
MQ60
Manufacture:LUXMAN
Original price: JPY 79,000
Price: JPY 152,727
Japan 1969 made
Arrival: 2024-05-19 19:59:31
description
Fully maintained! The main part of the SQ38F is an independent power amplifier, the famous MQ60. The natural, smooth sound quality with a high sense of transparency is attractive. You can relax and enjoy classical music and vocals in a natural way. The deep sound quality that cannot be expressed with the latest vacuum tube amplifiers is exceptional. The exterior has dullness, small scratches, and paint peeling. Serial 473753 (Hiroki Aso) Maintenance information: 2024.5.19 maintained (vacuum tube socket block capacitor electrolytic capacitor oil capacitor SP and RCA terminal semi-fixed VR fuse holder replacement load test (8Ω load 1kHz 30W/30W) input/output waveform confirmation sound output check performed impedance switching SW gain VOL disassembly contact refinement oxidation and sulfidation prevention grease coating input/output waveform confirmation load test (1 kHz) (Sine wave at 8Ω load: 30W+30W) sound output test) Accessories: copy of instruction manual Main specifications: output 30W+30W dimensions W410 x H160 x D205 mm weight 13.8 kg

5691

Ask 24-42673-10190-00
5691
Manufacture:SYLVANIA
Price: JPY 10,000
Shop: Osu shop
Arrival: 2024-05-17 19:44:17
description
Sold 1 bottle, 6SL7 high-reliability tube, made in America, red brown base, black plate, measured value 58 (rejected value 32) with original box ※The measured values indicate gM values measured with the testing machine TV-7 (Kojima Yosuke) Accessories: original box

6L6WGB

Ask 24-42673-09994-00
6L6WGB
Manufacture:TUNG SOL
Price: JPY 14,545(pair)
Shop: Osu shop
Arrival: 2024-05-17 19:43:46
description
Pair tube, ambient heat beam tube, 5881 equivalent tube, made in America, JAN brown base measurement value 42/42 (rejected value 25) with white box ※Pairs are determined based on gM values measured with the test machine TV-7 (Kojima Yosuke) Accessories: white box

6CA7

Ask 24-42673-10189-00
6CA7
Manufacture:HITACHI
Price: JPY 4,091
Shop: Osu shop
Arrival: 2024-05-17 19:43:36
description
Sold 1 bottle EL34 compatible ball, made in Japan, black plate, measured value 52 (rejected value 30) with original box, there is a slight getter burn ※ pairs are judged based on gM values measured with the test machine TV-7 (Kojima Yosuke) Accessories: original box

HiFi FU19

This item has been sold.You can't purchase now. 24-42874-10637-00
HiFi FU19
Manufacture:Nobsound
Price: JPY 13,455 Sold Out
Arrival: 2024-05-16 20:19:14
description
The price has been reduced! 2024/5/16 sales price 17800 yen ※Since it is cheap, it will be handed over as is. Chinese vacuum tube amplifiers have arrived. The vacuum tube uses FU32, and is compact and designed to be just the right size for a desktop, etc. There is a thread on the exterior (Tamura Eiji) Maintenance information: 2024.5.16 Operation confirmed Accessories: none Main specifications: 4W x 2 (4Ω) frequency response 26 to 38 kHz W296 x H150 x D210 mm weight 5.7 kg

A3500Japan

Ask 24-89024-10449-00
A3500
Manufacture:LUXKIT
Original price: JPY 79,800
Price: JPY 143,636
Japan 1972 made
Arrival: 2024-05-12 19:44:30
description
The A3500 vacuum tube power amplifier has been refreshed by thorough maintenance down to the smallest details, such as volume disassembly and polishing. The warm, fresh tone, filled with the appeal of a vacuum tube type, is still appealing enough today. You can enjoy music with a rich, thick tone that contrasts with the clicking tones of recent vacuum tube amplifiers. As for the exterior, paint deterioration and peeling can be seen on the transformer on one side, and there is a feeling of use such as dullness, small scratches, etc., and there is a dent in the hood. ※3-pole tube connection specification. 20W+20W (actual measurement) is output as specified by the manufacturer (Takasaki Atsushi) Maintenance information: 2023.2.3 maintained (main tube (6CA7) replacement vacuum tube socket, block capacitor, electrolytic capacitor, oil capacitor, SP and RCA terminals, complete disassembly of semi-fixed VR replacement power input gain volume, contact polishing, anti-oxidation/sulfation grease coating load test (8Ω load 1kHz 20W+20W) input/output waveform confirmation sound output check performed) Accessories: copy of the manual Main specifications: 20W+20W (8Ω) vacuum tube 6CA7×4/6AQ8×3 W465×H168×D206mm 16kg

ARDEN2UK

Ask 24-42207-05233-00
ARDEN2
Manufacture:TANNOY
Original price: JPY 478,000
Price: JPY 270,909(pair)
UK 1979 made
Shop: Osu shop
Arrival: 2024-05-11 20:17:47
description
Both the interior and exterior have been fully restored and refreshed! This is the second generation of Tannoy's famous machine ARDEN. The warm and soft tone is attractive. It plays all kinds of music lusciously and gently. In particular, it works great with vacuum tube amplifiers, and the sense of orchestra scale and smooth playback of stringed instruments are satisfying enough to listen to. It is beautiful due to exterior repairs (Sasaki Shota) Maintenance information: 2024.5.10 Maintained (exterior repair/polishing/oil finish. Front and rear baffles/hakama repair/painting. Saran net replacement/frame repair/reinforcement. Unit maintenance: low range/edge exchange, magnetic circuit gap cleaning/center adjustment, high pass/magnetic circuit rust removal/gap cleaning/center adjustment. Network maintenance: frequency characteristic check, ATT cleaning, faston terminal replacement, terminal cleaning) Accessories: none Main specifications: 2 way, 1 speaker, bass reflex system, floor type specification unit 3828, crossover frequency, 1 kHz, output sound pressure level, 91.5 dB, 8 ohms, dimensions W660 x H990 x D370 mm, weight 43 kg/book

MQ68CJapan

This item has been sold.You can't purchase now. 24-42736-09463-00
MQ68C
Manufacture:LUXMAN
Original price: JPY 89,000
Price: JPY 152,727 Sold Out
Japan 1978 made
Arrival: 2024-05-11 20:13:22
description
Maintained in 2023. 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. In addition to noticeable scuffs and paint peeling on the exterior and transformer area, dullness and a feeling of use can be seen. Serial F0800283 (Murakoshi Yoichi) Maintenance information: 2023.7.23 maintained (vacuum tube socket block capacitor electrolytic capacitor oil capacitor SP and RCA terminal semi-fixed VR fuse holder replacement load test (8Ω load 1kHz 25W+25W) input/output waveform confirmation sound output check performed gain VOL NFB switching SW disassembly contact refinement to prevent oxidation and sulfation grease coating input/output waveform confirmation distortion load test (1 kHz (25W+25W at sine wave 8Ω load) sound output test) Accessories: copy of instruction manual Main specifications: 50CA10 push-pull output 30W+30W W410 x H183 x H160 mm 13.8 kg

MODEL 7KU.S.A

Ask 24-42525-07757-00
MODEL 7K
Manufacture:marantz
Price: JPY 361,818
U.S.A 1979 made
Arrival: 2024-05-10 19:55:16
description
It has been refreshed and maintained to brush up by replacing block capacitors, etc.! Kit version of the masterpiece model 7. The parts that can be obtained at the beginning of sale remain the original, and those that are missing use similar parts, and it is a 25th anniversary model that appeared with almost the same structure as the original. As a vacuum tube preamp, you can hear a slightly different tone from other models. There are line scratches on the wood case on the exterior. Serial F030105 (Murakoshi Yoichi) Maintenance information: 2024.5.9 maintenance (main volume disassembly cleaning repair, selector disassembly contact strengthening repair, block capacitor, fuse holder cap replacement, short pin addition, vacuum tube socket and RCA jack re-caulking repair. Operation has been checked with AC100V) In order to bring the volume curve closer to the original, the OUT LEVEL on the back is narrowed down. 2018.7.15 Maintained (vacuum tubes 12AX7 x 2 replaced, oil capacitors 0.47 μF replaced with BlackBeauty, replaced with 0.33 μF x 2 film capacitors. RCA jack earth reinforcement and caulk repair. Vacuum tube socket caulk repair. Other operations have been checked) Accessories: none Main specifications: kit model 12AX7 × 6 W453 × H185 × D260 mm 7.9 kg

DS-77EXJapan

Ask 24-42598-08360-00
DS-77EX
Manufacture:DIATONE
Original price: JPY 124,000
Price: JPY 43,000(pair)
Japan 1985 made
Arrival: 2024-05-09 19:48:37
description
The price has been reduced. 2024/5/9 sales price 49,800 yen Woofer edge softening treatment! A classic model that uses carbon graphite on woofer cone paper. The high and middle ranges have a core yet are glossy, and the low frequencies are tight. It is a well-balanced speaker and is suitable for a wide range of genres. In particular, the vocals in combination with a vacuum tube amplifier are excellent. You can enjoy the enchanting diatone sound. As for the exterior, the frame has rust, scuffs, dullness, etc., and there is a feeling of use (Murakoshi Yoichi) Maintenance information: 2024.5.7 maintenance (exterior cleaning, edge softening treatment) Accessories: saran net Main specifications: 3 way, 3 speakers, sealed impedance 6 ohms, W380 x H680 x D325 mm, 21 kg

DM601UK

Ask 24-42724-09399-00
DM601
Manufacture:B&W
Original price: JPY 50,000
Price: JPY 27,091(pair)
UK 1996 made
Shop: Osu shop
Arrival: 2024-05-07 20:02:04
description
 B&W bookshelf sized speakers It is equipped with a Nautilus tube and Kevlar cone unit from the higher series. This size is sufficient for clean mid to high ranges and low frequencies without any habit. It goes well with modern sauces. The jumper plate is dull, and there is a small scratch on the upper corner (Daiki Goto) Maintenance information: 2024.5.7 operation confirmed Accessories: instruction manual Main specifications: 2 way 16.5 cm woofer 8 ohm bi-wiring connection possible W204 x H356 x D244 mm 6.1 kg

33+303+FM3UK

Ask 24-42417-06784-00
33+303+FM3
Manufacture:QUAD
Original price: JPY 317,500
Price: JPY 227,273
UK 1967 made
Shop: Osu shop
Arrival: 2024-05-04 20:12:14
description
The price has been drastically reduced. 2024/5/26 sales price 278,000 yen Maintenance and cabinet repair completed! This is a full set that combines 33 QUAD original transistor preamps and 303 power amplifiers with tuner FM3. Comes with a wood case that allows 33 and FM3 to be built in parallel. The impression is that the natural atmosphere has definitely increased, and the glossy way it rides and the sound that goes through the core make you think it's a vacuum tube amplifier (Oikawa Tetsuji) Maintenance information: 2024.5.4 maintained (internal check, power supply, filter C, HPX circuit C, etc., there are many differences in capacity → replacement f cover misalignment → readjust, tuning indicator lamp back change, DIN SP-RCA female cable damaged → created) Accessories: power cable, connection cable (2 types: DIN-RCA and DIN-DIN types), copy of the instruction manual, FM coaxial connector Main specifications: external dimensions W550 x H113 x D220 mm, weight approx. 7.0 kg (actual measurement) [33] 3 input/line systems, 1 phono system (MM) [FM3] tubular FM dedicated tuner with automatic stereo/mono switching

EL34

Ask 24-42399-08463-00
EL34
Manufacture:SVETLANA
Price: JPY 5,455(pair)
Shop: Osu shop
Arrival: 2024-04-29 20:02:02
description
Pair tube, 6CA7 compatible ball, made in Russia, measured value 44/44 (rejected value 30) with original box ※The pair is determined based on the gM value measured by the test machine TV-7 (Kojima Yosuke) Accessories: original box
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