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Manufacture | Model/Title | Price | Arrival date

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

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

C20(後期)U.S.A

Ask 24-42316-06096-00
C20(後期)
Manufacture:McIntosh
Price: JPY 361,818
U.S.A 1959 made
Arrival: 2024-04-02 19:54:58
description
The disposal price has been reduced. Member discounts are not applicable. 2024/4/2 sales price 448,000 yen This is a late C20 model that underwent full maintenance from the 2023/12 condenser to main VOL replacement. Among Mackin's control amplifiers, this is a popular gem with a particularly rich, glossy tone. Not only jazz, but also the vocal sounds are excellent. The unique, rich, and highly artistic tone shows a particularly good compatibility with vintage speakers. Exterior, front panel characters disappear a lot, dullness, small scratches, abrasions, etc., and there is a feeling of use (Kobayashi Hitoshi) Maintenance information: 2024.4.2 maintenance completed (1/2 W resistor replacement and 3 noise countermeasures replaced) 2023.12.19 maintenance (vacuum tube 6X4, block capacitor, electrolytic capacitor, film capacitor, oil capacitor, resistor, main volume replacement. Gang error correction resistance 1/2 W added, switching noise reduction resistance 1/4 W added. RCA jack and vacuum tube socket caulk repair, operation check.) Accessories: none Main specifications: tubular phono 2 system phono equalizer curve variable use vacuum tube ECC83 x 5 ECC82 x 2 EZ90 x 1 W440 x H165 x D316 mm 8.7 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

model 8BU.S.A

Ask 24-42637-08714-00
model 8B
Manufacture:marantz
Original price: JPY 165,000
Price: JPY 361,818
U.S.A 1958 made
Arrival: 2024-04-25 20:03:34
description
The price has been drastically reduced. 2024/4/25 sales price 448,000 yen Maintenance is being carried out in 2020. It's a famous machine you can't miss when talking about Marantz sounds of yesteryear. It has a good mid-range fat transfer, and its pleasant sound is an appeal that cannot be obtained anywhere else. You can enjoy the Marantz sounds of the good times. There is some rust and small scratches on the exterior. Serial 8-4160 (Murakoshi Yoichi) Maintenance information: 2020.11.18 maintained (AC code deterioration replacement, 40/40/20 μF and other deterioration replacement, 3 external paint, 20 μF x 2 deterioration replacement, selenium deterioration countermeasures → diode addition · vacuum tube 6BH6 noise exchange · vacuum tube socket and RCA jack caulking repair ※ other operation checked (measured at 32 to 41 W SP: 8 Ω with rated output AC 100 to 117 V) *A2 The EL34 vacuum tube guide pin is broken, but there is no problem with performance. (Part of the SP terminal on the right channel is missing.) Accessories: instruction manual (for replicas, Japanese copy) Main specifications: 35W+35W vacuum tube 6CG7/6BH6/EL34 W348 × H191 × D273mm 22.5 kg

300BシングルJapan

Ask 24-42814-10222-00
300Bシングル
Manufacture:自作
Price: JPY 316,364
Japan
Shop: Osu shop
Arrival: 2024-06-05 20:07:56
description
Maintained! This is a very well made 300B single amp. The outstanding sharpness and power, and sweet and gorgeous sound are unbearable. The JJ 300B is used as the output tube. It is a combination of the popular transformer TAMURA F-2007 pair, PC-3004, and A-4003. The first stage uses 12AT7, and the rectifier tube uses 5AR4. It comes with a volume and can be connected directly to a CD. There is a ham balancer inside (Yasuhito Koshihama) Maintenance information: 2024.6.5 maintained (AC cord missing added; wiring changed to output impedance 4Ω → 8Ω; main volume 100K B curve → 2 replacement; vacuum tube 12AT7 deterioration replacement; RCA jack and vacuum tube socket caulking repair. Operation checked with AC 100V (measured with rated output 10W+10W SP8Ω) Accessories: power cable Main specifications: output 10W+10W (actual measurement) W434 × H217 × D333 mm 18.9 Kg (actual measurement)

ARDEN2UK

Ask 23-38111-01327-00
ARDEN2
Manufacture:TANNOY
Original price: JPY 478,000
Price: JPY 270,909(pair)
UK 1979 made
Arrival: 2024-04-18 20:05:56
description
Internally and externally maintained! 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. The exterior has been beautifully finished due to exterior maintenance. Serial 011093 016017 (Tomonori Asaine) Maintenance information: 2024.4.18 Maintained (exterior repair/polishing/oil finish front and rear baffle/hakama repair/paint saran frame reinforcement painting/net replacement, batch polishing unit maintenance (high frequency magnetic circuit/in-gap cleaning/center adjustment diaphragm gap indirect attachment) ATT cleaning unit detachable) Accessories: saran net 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

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

ARDEN2UK

Ask 24-42541-07910-00
ARDEN2
Manufacture:TANNOY
Original price: JPY 478,000
Price: JPY 270,909(pair)
UK 1979 made
Arrival: 2024-04-19 19:42:49
description
Full internal and external maintenance completed in 2022! 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. The exterior has some impact scratches and board repair marks on one side of the hakama part. Serial 003354/003047 (Fujisawa Yukishi) Maintenance information: 2022.9.23 Maintained (terminal screws, rust removal, acid washing, cleaning. Internal connection terminal (faston) replaced with a new one. ATT (SW type) contact cleaning. A frequency characteristic measurement check (~ 42 kHz) was performed, and the original capacitor was continuously used because the results were good. Check the input/output waveform and balance, and check the sound output. Unit maintenance (high range side: magnetic circuit gap cleaning/center adjustment) exterior repair/polishing/oil finish. Front and rear baffles/hakama repair/painting Saran net replacement) Accessories: saran net 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

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

SQ-38 SignatureJapan

Ask 24-43089-12385-00
SQ-38 Signature
Manufacture:LUXMAN
Original price: JPY 350,000
Price: JPY 219,091
Japan 1995 made
Arrival: 2024-06-04 20:01:52

SQ38DsJapan

Ask 24-42315-06088-00
SQ38Ds
Manufacture:LUXMAN
Original price: JPY 58,000
Price: JPY 216,364
Japan 1965 made
Shop: Osu shop
Arrival: 2024-03-29 20:01:25
description
2018 fully restored item. This model omits the MC step-up transformer. The rear speaker terminal has also been changed to one compatible with banana plugs to match modern usability. Although it is a model from the 60s, there is no sense of a faded sound, and it feels like the flat, thick lackstone has been revived energetically. The sound without getting tired even after listening to it for a long time makes me fully experience the luster and warmth of stringed instruments. There are stains all over the exterior, and there are line scratches, fading, etc. on the cabinet (Sasaki Shota) Maintenance information: 2018.8.25 Maintained (9P socket, SP terminal, RCA terminal, block capacitor, volume/BAL/TCVR, semi-fixed resistor, coupling capacitor, AC cord, resistor replacement. Power SW contact deterioration prevention relay added. SW/VR disassembly, cleaning, solder correction. (Internal and external cleaning, circuit readjustment, waveform check, input/output check, load test, sound output test) Accessories: copy of the manual Main specifications: output 10W+10W input terminal AUX1 · 2 Phono 1 · 2 (mm) W470 x H175 x D275 mm weight 14 kg

845

Ask 24-42974-12700-00
845
Manufacture:RCA
Price: JPY 216,364(pair)
Shop: Osu shop
Arrival: 2024-06-07 19:41:07

SQ38FD

Ask 23-41202-25572-00
SQ38FD
Manufacture:LUXMAN
Original price: JPY 168,000
Price: JPY 216,364
1974 made
Arrival: 2024-06-06 20:04:39
description
Full maintenance was carried out to replace all deteriorated parts such as capacitors and vacuum tubes! 38 FD, the most popular of the 38 series, is now in stock! The warm tone has plenty of warmth in the bass and mids, and you can enjoy the true essence of lackstone, where you can enjoy the afterglow of the tone. The exterior has a beautiful finish due to exterior maintenance, but rust etc. on the back remain. Serial 101 20007 (Tomoho Asaine) Maintenance information: 2024.6.6 maintained (parts replacement, input/output waveform check, load test (1kHz sine wave, 8Ω load: 30W+30W, OK), sound output test) 2020.4.2 maintained (vacuum tube (50CA10), electrolytic capacitor, block electrolytic capacitor, coupling capacitor, vacuum tube socket, headphone jack, micro switch, rectifier diode, semi-fixed resistor, fuse replacement. Complete disassembly of SW/VOL contacts, polish, and apply grease to prevent oxidation and sulfidation. Circuit readjustment, input/output waveform confirmation, load test (1kHz sine wave, 8Ω load: 30W+30W), distortion adjustment (maximum output: 0.2%), sound output test) Accessories: manual copy power cord Main specifications: 30W+30W (4, 8, 16 ohms) line input 4 systems phono 2 systems (mm) W476 x H190 x D335 mm 18 kg

845

Ask 24-42974-12701-00
845
Manufacture:RCA
Price: JPY 189,091(pair)
Shop: Osu shop
Arrival: 2024-06-07 19:41:11

A2500Japan

Ask 19-22362-31051-00
A2500
Manufacture:LUXKIT
Original price: JPY 42,100
Price: JPY 152,727
Japan 1972 made
Arrival: 2019-06-15 20:13:43
description
The A2500 is a tube type power amplifier kit that has been replaced with speaker terminals that are easy to use even for beginners. 6AQ8 for the first stage and 12AU7 for the phase reversal stage both use triodes. Since triodes are used across all stages, the sound is taut and bright, with excellent nude characteristics. The exterior has dullness over time, rust, and small scratches. Serial 560561 (Miura Kimiya) Maintenance information: 2018.4.28 Maintained (printed circuit board resistor replaced. (Adjustment characteristics check OK) 2014.11.21 maintenance completed (input VR, vacuum tube socket, coupling capacitor, SP terminal, BIAS DC BAL, semi-VR, each deterioration exchange, adjustment, characteristic check OK) Accessories: instruction manual Main specifications: 6 RA8 push-pull 6 RA8 x 4/12 AU7 x 2/6AQ8 10W+10W W410 x H145 (with hood) x D190 mm 9.6 kg

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

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

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

349A

Ask 24-42974-12702-00
349A
Manufacture:Western Electric
Price: JPY 116,364(pair)
Shop: Osu shop
Arrival: 2024-06-07 19:48:01

PASU.S.A

This item has been sold.You can't purchase now. 24-42757-09732-00
PAS
Manufacture:DYNACO
Price: JPY 98,182 Sold Out
U.S.A
Arrival: 2024-05-30 20:08:58
description
The price has been drastically 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

SQ-N100Japan

This item has been sold.You can't purchase now. 24-42860-10538-00
SQ-N100
Manufacture:LUXMAN
Original price: JPY 180,000
Price: JPY 98,182 Sold Out
Japan 2007 made
Arrival: 2024-05-31 19:36:25
description
The disposal price has been reduced. Member discounts are not applicable. 2024/5/31 sales price 138,000 yen Manufacturer maintained! 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

COMPACT-1012U.S.A

Ask 23-40861-23031-00
COMPACT-1012
Manufacture:NEWCOMB
Price: JPY 90,727
U.S.A
Arrival: 2023-12-13 20:12:15
description
The disposal price has been reduced. Member discounts are not applicable. 2023/12/13 Sales price 138,000 yen Maintenance completed! Newcomb tube mono prime. An output of about 12W is output using a 6V6 output tube. It has an adjustment function for a total of 36 fine phono curves, 6 low frequencies and 6 high frequencies. The stylish look reminiscent of Old Marantz, such as the hood on the back, is irresistible. Since the input terminals are on the bottom, it is necessary to devise how to insert the RCA cable. The standard LEVEL position is M. Adjust the volume with LOUDNESS. SELECTOR's RUMBLE FILTER is valid only for PHONO. ※The hood is fitted very tightly, so it cannot be removed normally. There is a feeling of use due to appearance, dullness, small scratches, abrasions, etc. (Murakoshi Yoichi) Maintenance information: 2023.12.12 maintenance completed (earth terminal added to bottom, vacuum tube 6AV6 replacement, 100 μF electrolytic capacitor and lug terminal added to 80/10 μF block capacitor, base leg replacement/HUM ADJ readjusted, vacuum tube socket and RCA jack caulk repair. Operation checked (measured at 11 to 15 W SP: 8 Ω with rated output AC 100 to 117 V). Accessories: none Key Specifications: 6V6P.P. Rated output 12 W LINE 3 system, PHONO (MM) 1 speaker compatible impedance 8, 16 ohms, W322 x H112 x D240 mm, 6.8 kg

303UK

Ask 24-42130-04673-00
303
Manufacture:QUAD
Original price: JPY 110,000
Price: JPY 90,727
UK 1967 made
Arrival: 2024-03-25 19:57:14
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. The exterior has a feeling of use over time, such as dullness and small scratches. Serial 62226 (Yonejima Satoshi) Maintenance Information: 2024.3.25 Maintained (INPUT DIN 4P replacement, internal Tr, C, R all checks. DIN4P-RCA female cable created. Operation check, pattern solder processing) Accessories: power cable, connection cable Main specifications: 45W+45W W120×H159×D324mm 8.2 kg

VT-52

Ask 24-41310-00717-00
VT-52
Manufacture:Western Electric
Price: JPY 90,727(pair)
Shop: Osu shop
Arrival: 2024-01-15 20:01:53
description
The price has been drastically reduced. 2024/1/15 sales price 118,000 yen pair tube 45 special compatible ball straight heat triode fishing rod type filament made in America measurement value 90/86 (rejected value 55) with white box*Pairs are determined based on gM values measured by testing machine TV-7 (Kojima Yosuke) Accessories: white box

33UK

Ask 15-85857-36826-00
33
Manufacture:QUAD
Original price: JPY 120,000
Price: JPY 90,727
UK 1967 made
Shop: Osu shop
Arrival: 2024-01-18 20:15:11
description
The disposal price has been reduced. Member prices are not applicable. 2024/1/18 sales price 118,000 yen Maintained! QUAD's first transistor preamp. The deep sound image and the impression 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. Of course, it's a combination with the 303, and the sound doesn't feel out of place even when paired with a vacuum tube power amplifier. BAL knobs are worn out (Daiki Goto) Maintenance information: 2024.1.18 Maintained (front push button contact failure → cleaning, PHONO/LINE in-board coupling capacitor replacement. AC spark killer capacitor broken → replaced, each VOL cleaned, power cable created) Accessories: copy of instruction manual 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

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

PX4

Ask 23-38257-02860-00
PX4
Manufacture:OSRAM
Price: JPY 86,364(pair)
Shop: Osu shop
Arrival: 2023-02-12 20:05:04
description
Pair tube direct thermal triode made in England measured value 54/50 (rejection value 39) with replacement box The plate shape of the spring fixing part on the top of the head is slightly different on the left and right, and there is discoloration on the plate on one side ※ The pair was determined based on the GM value measured by the testing machine TV-7 (Kojima Yosuke) Accessories: replacement box

STEREO70U.S.A

Ask 24-42159-04894-00
STEREO70
Manufacture:DYNAKIT
Original price: JPY 69,800
Price: JPY 86,182
U.S.A 1958 made
Shop: Osu shop
Arrival: 2024-04-11 20:16:10
description
The disposal price has been reduced. Member prices are not applicable. 2024/4/11 sales price 118,000 yen ※It's cheap because it doesn't have a hood. Maintained! Vacuum tube stereo power amplifier. The bright and fresh sound typical of DYNACO is attractive. This is an amplifier I want to play in combination with JBL, Altec, etc. The grill is missing, and there is a feeling of use due to aging (Daiki Goto) Maintenance Information: 2024.4.11 Maintained (· Block Capacitor 30/20/20 μF Defect Replacement · Stereo/Mono Switch Defect Replacement · Shock Noise Improvement Measures → Spark Killer Addition · Vacuum Tube 7199 Noise Exchange · Mylar Capacitor 390pF Deterioration Replacement 2 · Resistors 1/2 W Deterioration Replacement · BIAS Readjustment · Vacuum Tube Socket and RCA Jack Caulking Repair. *Other operation checks have been performed (measured at 32 to 41 W SP: 8 Ω at rated output AC 100 to 117 V) Accessories: instruction manual Main specifications: rated output 35W+35W vacuum tube EL34 x 4 7199 x 2 GZ-34 x 1 W330 x H165 x D240 mm 12.5 kg

PX4

Ask 19-21022-16930-00
PX4
Manufacture:不明
Price: JPY 81,818(pair)
Shop: Osu shop
Arrival: 2019-03-29 20:04:27

NR44

Ask 23-38135-07623-00
NR44
Manufacture:不明
Price: JPY 72,727(pair)
Shop: Osu shop
Arrival: 2023-04-16 19:28:19
description
Pair tube, PX4 equivalent tube, direct thermal triode, made in England, measured value 54/52 (rejection value 39) with white box (there is writing on the box) *The pair was judged based on the GM value measured by the testing machine TV-7 (Kojima Yosuke) Accessories: white box

4300B

This item has been sold.You can't purchase now. 23-39703-13680-00
4300B
Manufacture:STC
Price: JPY 68,182 Sold Out
Shop: Osu shop
Arrival: 2023-07-01 20:01:09
description
Sold 1 bottle, 300B equivalent tube, direct heat triode tube, English tea base, double ring getter, measured value 66 (rejected value 58) with original box ※The measured values indicate GM values measured with the testing machine TV-7 (Kojima Yosuke) Accessories: original box

AC-2Japan

This item has been sold.You can't purchase now. 24-42958-11423-00
AC-2
Manufacture:Accuphase
Original price: JPY 58,000
Price: JPY 63,455 Sold Out
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

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

239II

Ask 17-14003-78197-00
239II
Manufacture:TELEFUNKEN
Price: JPY 54,545
Shop: Osu shop
Arrival: 2017-12-25 20:01:25

Njoe Tjoeb 4000Nederland

Ask 24-42567-08187-00
Njoe Tjoeb 4000
Manufacture:AH!
Original price: JPY 129,150
Price: JPY 54,364
Nederland
Arrival: 2024-04-24 20:04:33
description
Vacuum tube CD players are rarely in stock. It looks like a product manufactured in Germany and the Netherlands based on the MarantzCD-4000 package, and you can comfortably listen to the mild sound quality unique to tube balls and the gorgeous high frequencies that pop out. This is a great item for those who want an accent to the sound. You can see a feeling of use, such as appearance, dullness, abrasions, etc. (Kobayashi Hitoshi) Maintenance information: 2024.4.19 Operation confirmed Accessories: instruction manual Main specifications: W440 x H90 x D270 mm weight 3.82 kg

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

UV-211-A

Ask 23-38135-05636-00
UV-211-A
Manufacture:不明
Price: JPY 50,000
Shop: Osu shop
Arrival: 2023-03-21 20:01:57
description
The large triode print sold in Japan has disappeared, but I think it was made by NEC from the structure. Measured IP value: 45 mA (the best standard IP value for this amplifier is 50 mA) with the original box ※ I checked the sound output with the test amplifier and measured the plate current value, and it has been determined that the operation is good (Kojima Yosuke) Accessories: original box

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

KT66

This item has been sold.You can't purchase now. 23-40398-19779-00
KT66
Manufacture:GEC
Price: JPY 40,909(pair)Sold Out
Shop: Osu shop
Arrival: 2023-09-29 19:52:46
description
Pair tube, English tea base, double gettering code: 8047/8048 measured value 56/54 (rejected value 32) with original box*Pairs are judged based on gM values measured with the test machine TV-7 (Kojima Yosuke) Accessories: original box

218EW

Ask 17-14003-78199-00
218EW
Manufacture:TELEFUNKEN
Price: JPY 36,364
Shop: Osu shop
Arrival: 2017-12-25 20:01:04

VT-52

Ask 22-36377-46342-00
VT-52
Manufacture:NATIONAL UNION
Price: JPY 36,364(pair)
Shop: Osu shop
Arrival: 2022-10-23 20:16:28
description
Pair tube 45Special compatible spherical triode fishing rod filament measurement value 94/86 (rejection value 55) *Pairs are judged based on GM values measured by test machine TV-7 (Kojima Yosuke) Accessories: none

K239II

Ask 17-14003-78196-00
K239II
Manufacture:KLANGFILM
Price: JPY 36,364
Shop: Osu shop
Arrival: 2017-12-25 20:01:22

VT-52

Ask 22-37780-54778-00
VT-52
Manufacture:UNITED ELECTRON
Price: JPY 34,545(pair)
Shop: Osu shop
Arrival: 2023-01-09 20:09:51
description
Pair tube 45 Special/38142 compatible ball, direct heat triode, fishing rod type, filament measurement value 120/118 (rejection value 55) with original box ※ The pair was determined based on the GM value measured by the testing machine TV-7 (Kojima Yosuke) Accessories: original box

VT-52

Ask 22-36377-46344-00
VT-52
Price: JPY 34,545(pair)
Shop: Osu shop
Arrival: 2022-10-23 20:21:23
description
Pair tube 45Special compatible spherical triode fishing rod type filament measurement value 100/92 (rejection value 55) *Pairs are judged based on GM values measured by test machine TV-7 (Kojima Yosuke) Accessories: none

VT-52

Ask 21-33538-24403-00
VT-52
Manufacture:NATIONAL UNION
Price: JPY 31,818(pair)
Shop: Osu shop
Arrival: 2022-07-22 19:48:58
description
Pair Tube 45Special/38142 Compatible Ball Fishing Rod Type Filament Measurement Value 98/92 (Rejection Value 55) Geta Burns, is a bargain because it has decreased ※The pair is GM measured with the tester TV-7 Judgment is based on the value (Yosuke Kojima) Accessories: none

6550A

Ask 24-42192-05174-00
6550A
Manufacture:GE
Price: JPY 31,818(pair)
Shop: Osu shop
Arrival: 2024-04-06 20:21:35
description
Pair tube, KT88 compatible ball, American metal base, measured value 66/64 (rejected value 44) with original box ※Pairs are determined based on gM values measured with the test machine TV-7 (Kojima Yosuke) Accessories: original box

50

Ask 14-83736-26430-00
50
Manufacture:RCA
Price: JPY 31,818(only one piece)
Shop: Osu shop
Arrival: 2014-10-03 19:44:46

6550A

Ask 24-42434-06913-00
6550A
Manufacture:GE
Price: JPY 31,818(pair)
Shop: Osu shop
Arrival: 2024-04-09 19:23:01
description
Pair tube KT88 compatible ball American metal base measurement value 68/62 (rejected value 44) *Pairs are determined based on gM values measured with the test machine TV-7 (Kojima Yosuke) Accessories: none

6336A

Ask 23-38257-02847-00
6336A
Manufacture:CETRON
Price: JPY 27,273(pair)
Shop: Osu shop
Arrival: 2023-02-13 19:49:13
description
Pair tube triode metal base, made in America, original with box ※ The pair was determined based on the EM value measured by the SENCORE TC-162 tester (Kojima Yosuke) Accessories: original box
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