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324 results
Manufacture | Model/Title | Price | Arrival date

101F

Ask 23-38861-11390-00
101F
Manufacture:Western Electric
Price: JPY 11,818
Shop: Osu shop
Arrival: 2023-08-17 19:57:51
description
Sold per bottle, general purpose amplifier tube, top mark, JAN, made in America, measured value 38 (rejected value 28), with replacement box (the lid of the box is missing) *The measured values are values measured with the test machine TV-7 (Kojima Yosuke) Accessories: replacement box

12AZ7

Ask 21-31153-07337-00
12AZ7
Manufacture:McIntosh
Price: JPY 1,818
Shop: Osu shop
Arrival: 2021-04-09 20:09:37
description
Sold 1 McIntosh Print Used for drive tubes of the company's MC275CE Made in China (rejection value 50) * Measurements are gm values measured on tv-7 tv-7 (Yosuke Kojima ) Accessories: None

12AZ7

Ask 21-31153-07338-00
12AZ7
Manufacture:McIntosh
Price: JPY 1,818
Shop: Osu shop
Arrival: 2021-04-09 20:09:51
description
Sold 1 McIntosh Print Used for drive tubes of the company's MC275CE Made in China. Measured value 62 (rejection value 50) * Measurements are gm values measured on tv-7 tv-7 (Yosuke Kojima ) Accessories: None

211

Ask 22-34955-33526-00
211
Manufacture:Haltron
Price: JPY 21,818
Shop: Osu shop
Arrival: 2022-10-08 20:05:19
description
Large triode sold per unit measured IP value: 50 mA (the best standard IP value for this amplifier is 50 mA) There is a getter burn with the original box ※ I checked the sound output and measured the plate current value with the test amplifier, and it was determined that the operation was good (Kojima Yosuke) Accessories: original box

211

Ask 24-42530-07890-00
211
Manufacture:PSVANE
Price: JPY 15,455(pair)
Shop: Osu shop
Arrival: 2024-04-19 19:45:17
description
Pair tube large transmission tube direct heat triode tube made in China gold base gold foot measured IP value 47mA/47ma (the best standard IP value for this amplifier is 50mA) with original box (part of the box is damaged) *Sound is checked with a test amplifier, plate current values have been measured, and it has been determined that operation is good (Kojima Yosuke) Accessories: original box

214U.S.A

Ask 24-42622-08607-00
214
Manufacture:BOSE
Original price: JPY 45,000
Price: JPY 13,455(pair)
U.S.A 1996 made
Arrival: 2024-05-06 20:03:59
description
*Currently sold. BOSE's high cost performance model for a wide variety of applications. It reproduces sounds unique to BOSE that are powerful and sharp, such as jazz, rock, etc. You can feel the spread of the sound by swapping the position of the tweeter left and right and listening. Overall, there is dirt and a feeling of use. Serial 017958921760022AC, 017958921760021BC (Fujisawa Yukishi) Maintenance information: 2024.5.6 operation confirmed Accessories: saran net Main specifications: 2 way 2 speakers, 8 ohms, maximum input 60 W, W380 x H240 x D170 mm, 3.9 kg

2242HU.S.A

Ask 24-42721-09373-00
2242H
Manufacture:JBL
Original price: JPY 256,000
Price: JPY 90,727(pair)
U.S.A
Shop: Osu shop
Arrival: 2024-05-04 20:03:41
description
A rare JBL 46cm woofer has arrived! The thick sound that can only be produced with a 46cm woofer is attractive. Please try this large aperture unit that is compatible with digital recording and is advantageous for deep bass reproduction. The exterior has tape marks and magic marks on corn paper. Serial 181936/481666 (Sasaki Shota) Maintenance information: 2024.5.4 sweep test good Accessories: none Main specifications: 46cm cone woofer unit impedance 8Ω 99dB frequency range 25Hz to 1.6kHz recommended enclosure volume 140 to 340 lit diameter 464 ✕ depth 212 mm weight 13.2 kg

2420U.S.A

Ask 24-42529-07797-00
2420
Manufacture:JBL
Original price: JPY 142,000
Price: JPY 58,909(pair)
U.S.A 1971 made
Arrival: 2024-04-28 20:21:13
description
The price has been drastically reduced! 2024/4/28 sales price 79,800 yen Maintained! The classic model for professional 1" screwdrivers. It is a driver that is installed in many of the company's 43 series, etc., and is easy to balance even when combined with various woofers and tweeters. The exterior has a feeling of use such as dullness, small scratches, and abrasions (Asaine Tomoho) Maintenance information: 2024.4.28 Maintained (diaphragm installation adjustment Replace the following parts DCR (no scratches on the 164164/6.3 ohm diaphragm) DCR (63913/6.4.ohm diaphragm, no scratches)) Accessories: none Main specifications: 1 inch driver, throat diameter: 25 mm, 16 ohms (measured 10/12 ohms), 118 dB, frequency characteristics, 800 Hz to 20 kHz, crossover frequency: 500 Hz or more, 5.1 kg

2A3

Ask 24-42399-08460-00
2A3
Manufacture:SOVTEK
Price: JPY 12,727(pair)
Shop: Osu shop
Arrival: 2024-04-29 20:01:32
description
Pair tube direct heat triode made in Russia measured value 72/72 (rejected value 38) *Pairs are determined based on gM values measured by the testing machine TV-7 (Kojima Yosuke) Accessories: none

2S-305DJapan

Ask 23-39506-12056-00
2S-305D
Manufacture:DIATONE
Original price: JPY 330,000
Price: JPY 180,000(pair)
Japan 1969 made
Arrival: 2023-12-01 19:56:17
description
The disposal price has been reduced! (Member discounts are not applicable) 2023/12/1 sales price 298,000 yen Interior and exterior refreshment maintenance has been completed and brushed up! A consumer model of the 2S-305, a timeless monitor speaker masterpiece that Japan is proud of. The thick and clear midrange and detailed high frequencies, which cannot be felt with the look, vividly reproduce vocals. The sound that accurately expresses the characteristics of an amplifier that is set regardless of whether it is a vacuum tube or transistor makes me feel the goodness of the device I have on hand that I haven't been able to see until now. The exterior is in perfect condition due to maintenance. Serial 351364 4851370 (Yamato Yuki) Maintenance information: 2023.12.1 Maintained (exterior polishing, oil finish, exterior repair, front and rear baffle painting to create missing parts, saran net replacement, velcro replacement. Woofer maintenance center adjustment, edge damping agent application, disconnection solder treatment, center cap dent correction. Tweeter maintenance center cap internal cleaning and replacement, center adjustment, corn paper edge crack repair, edge damping agent application, unit detachment. Network maintenance frequency characteristics check, ATT contact cleaning, terminal cleaning sound operation confirmed) Accessories: saran net Main specifications: 2 way bass reflex system input impedance 8 ohms output sound thickness level 96 dB crossover frequency 1500 Hz W650 × H880 × D445 mm weight 50 kg

300B

Ask 24-42399-08459-00
300B
Manufacture:ELECTRO HARMONIX
Price: JPY 7,273(only one piece)
Shop: Osu shop
Arrival: 2024-04-21 19:38:54
description
Single sale direct heat triode tube, made in Russia, white base, measured value 78 (rejected value 58) with original box ※The measured values indicate gM values measured with the test machine TV-7 (Kojima Yosuke) Accessories: original box

300B

Ask 24-42575-08585-00
300B
Manufacture:JJ
Price: JPY 36,364(pair)
Shop: Osu shop
Arrival: 2024-04-23 20:12:13
description
Pair tube direct heat triode tube, white base, made in Slovakia, measured value 76/70 (rejected value 58) with original box*Pairs are determined based on gM values measured by testing machine TV-7 (Kojima Yosuke) Accessories: original box

300BEH

Ask 24-41310-00332-00
300BEH
Manufacture:ELECTRO HARMONIX
Price: JPY 20,909(pair)
Shop: Osu shop
Arrival: 2024-02-23 20:15:20
description
Pair tube direct heat triode tube, white base, made in Russia, measured value 80/80 (rejected value 58) with original box ※ pair is determined based on gM values measured by testing machine TV-7 (Kojima Yosuke) Accessories: original box

303UK

Ask 22-36652-46205-00
303
Manufacture:QUAD
Original price: JPY 110,000
Price: JPY 90,727
UK 1967 made
Arrival: 2024-03-22 19:35:14
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 51928 (Tomoho Asaine) Maintenance information: 2024.3.22 maintained (internal all check, Tr, C, R co-operation check*INPUT modification available, AC code created for cable creation) Accessories: Power cord, connection cord, copy of instruction manual Main specifications: 45W+45W W120×H159×D324mm 8.2 kg

3105U.S.A

This item has been sold.You can't purchase now. 23-40047-16504-00
3105
Manufacture:JBL
Original price: JPY 40,400
Price: JPY 45,455(pair)Sold Out
U.S.A 1971 made
Shop: Osu shop
Arrival: 2024-04-17 19:44:03
description
Maintained! A network with a crossover frequency of 7 kHz. It is ideal for MID/HIGH for 3-way systems using 2440. There is a small wound (Oikawa Tetsuji) Maintenance information: 2024.4.17 Maintained (2 VR attenuators, 12 screws, 24 insulating washers replaced) Accessories: none Main specifications: crossover frequency 7 kHz, allowable input (continuous program), 50 W impedance, bass range: 12 to 16 ohms, treble range: 12 to 16 ohms, treble attenuation/variable volume, mounting hole W140 x 108 mm 0.7 kg

3105U.S.A

Ask 23-39405-11308-00
3105
Manufacture:JBL
Original price: JPY 40,400
Price: JPY 45,455(pair)
U.S.A 1971 made
Arrival: 2023-05-31 20:03:45
description
Maintained in October 2022! A network with a crossover frequency of 7 kHz. Ideal for MID/HIGH 3-WAY systems using the 2440. On the exterior, paint is bald and oxidized (Yonejima Satoshi) Maintenance Information: 2022.10.7 Maintained (Terminal rust removal, acid cleaning, insulation bushing & mounting screw replacement. ATT replacement A frequency characteristic measurement check (~ approx. 42 kHz) was performed, and the original capacitor was continuously used for good results. Input/output waveform and balance check, sound output check.) Accessories: no accessories Main specifications: crossover frequency 7 kHz allowable input (continuous program) 50 W impedance bass range: 12 to 16 ohms treble range: 12 to 16 ohms treble attenuation/variable volume mounting hole W140 x 108 mm 0.7 kg

3105U.S.A

Ask 24-42529-07800-00
3105
Manufacture:JBL
Original price: JPY 40,400
Price: JPY 45,455(pair)
U.S.A 1971 made
Arrival: 2024-05-04 19:56:57
description
Maintained! A network with a crossover frequency of 7000 Hz. Ideal for MID/HIGH use in 3-way systems using the JBL 2420/2440. In addition to dullness and small scratches on the exterior, there is a feeling of use such as paint peeling. Serial 24693 24691 (Hiroki Aso) Maintenance information: 2024.5.4 maintained (12 terminal terminal mounting screws, 24 insulating bushings replaced for deterioration. The capacitor used for terminal cleaning is a Dayton attenuator VR contact cleaning crossover 7000 Hz check) Accessories: none Main specifications: Crossover frequency 7 kHz allowable input (continuous program) 50 W impedance low range 12 to 16 ohms treble range 12 to 16 ohms treble attenuation/variable volume mounting hole W140 x 108 mm 0.7 kg

3105U.S.A

Ask 13-72477-76261-00
3105
Manufacture:JBL
Original price: JPY 40,400
Price: JPY 45,455(pair)
U.S.A 1971 made
Arrival: 2023-03-31 19:43:53
description
Maintained! A network with a crossover frequency of 7 kHz. Ideal for MID/HIGH 3-WAY systems using the 2440. On the exterior, there is a feeling of use, such as paint peeling off and scratches scattered around. Serial 17041 17049 (Hiroki Aso) Maintenance information: 2023.3.31 Maintained (terminal rust removal, acid wash, insulating bushing & mounting screw replacement, ATT brand new replacement, frequency characteristic measurement check (~ approx. 42 kHz), continue using the original capacitor for good results, input/output waveform and balance confirmation sound output check) Accessories: none Main specifications: crossover frequency 7 kHz allowable input (continuous program) 50 W impedance bass range: 12 to 16 ohms treble range: 12 to 16 ohms treble attenuation/variable volume mounting hole W140 x 108 mm 0.7 kg

3110U.S.A

Ask 23-39061-09111-00
3110
Manufacture:JBL
Original price: JPY 92,000
Price: JPY 68,182
U.S.A 1983 made
Shop: Osu shop
Arrival: 2023-12-18 20:03:35
description
2023.12.18Maintained professional cross 800Hz network. It is used in the 4320, etc., and the low frequencies are pushed out smoothly, giving the impression that the clarity of the mid-high range has improved. This network is useful for creating 2-way systems where woofers have a certain amount of area. How about making a 2-way horn system with a 16Ω unit? There are stains and rust on the main body. (TERAMOTO Hidehiko) Maintenance information: 2023.12.18 Maintained (terminal rust removal treatment, cleaning, mounting screw replacement. SW type ATT contact cleaning. Frequency characteristics are measured and checked, and the original capacitors are continuously used for good results. (Check the input/output waveform and balance, check the sound output) Main specifications: crossover frequency 800 Hz impedance 12 to 16 ohms W122 x H154 x D132 mm 1.9 kg/1 unit

33UK

Ask 20-28162-29516-00
33
Manufacture:QUAD
Original price: JPY 120,000
Price: JPY 90,727
UK 1967 made
Arrival: 2024-01-18 19:54:09
description
The disposal price has been reduced. Member discounts are not applicable. 2024/1/18 sales price 118,000 yen Maintained! Quad first-generation transistor preamp. It's a car that makes more noise than its size, and you can enjoy a variety of expressions with expressive power rich in shadows. When combined with the company's 303, etc., it has a thick, dark tone and calm elegance. You can enjoy classical and acoustic music with a glossy tone. There is a feeling of use such as small scratches. Serial 105591 (Takasaki Atsushi) Maintenance information: 2024.1.17 maintained (internal internal board coupling C, bypass C, etc. replaced, front button contacts all cleaned, each VOL cleaned, DIN cable x 3 created) 2014.12.1 maintained (capacitor replaced. Selector switch contact cleaning. (Input/output DIN terminal pin replacement) Accessories: 5 PINDIN → RCA cable x 2, 4 PINDIN → RCA female x 1, power cable, copy of instruction manual Main specifications: Phono 1 system, 3 line systems, W260 x H92 x D165 mm, 3 kg

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

33+303+FM3UK

Ask 24-42417-06784-00
33+303+FM3
Manufacture:QUAD
Original price: JPY 120,000
Price: JPY 231,818
UK 1967 made
Shop: Osu shop
Arrival: 2024-05-04 20:12:14
description
The price has been reduced. 2024/5/4 sales price 278,000 yen Maintained! 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. There are small scratches, dullness, and there are scratches on the cabinet (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

33WERU.S.A

This item has been sold.You can't purchase now. 24-42723-09400-00
33WER
Manufacture:BOSE
Original price: JPY 49,800
Price: JPY 8,909(pair)Sold Out
U.S.A 2002 made
Arrival: 2024-05-04 19:59:06
description
*Currently sold. Slim small 2-way speaker It is an SP originally developed for AV surround, but its high quality deserves attention. It has a quality that can be used for various purposes as a sub or desktop. There are large and small dents on the exterior and the saran net on one side, and a feeling of use such as dullness, abrasions, etc. can be seen (Kobayashi Hitoshi) Maintenance information: 2024.5.2 operation confirmed Accessories: none Main specifications: 2 way 3 speakers, bass reflex type, anti-magnetic type, 57mm woofer x 2, 57mm tweeter x 1, frequency characteristics, 75 Hz to 20 kHz, impedance 6 ohms, dimensions W85 x H405 x D100 mm, weight 2.6 kg

3880U.S.A

Ask 23-40713-21903-00
3880
Manufacture:GAUSS
Price: JPY 77,091(pair)
U.S.A
Shop: Osu shop
Arrival: 2024-01-13 20:20:31
description
The price has been drastically reduced. 2024/1/13 sale price 99,800 yen rare Gauss 46cm woofer! This is the first model to arrive at Hi-Fi. Unlike JBL woofers, it is characterized by sound tightness and strength of extrusion. It also seems interesting to use it as a 4345 woofer (Sasaki Shota) Main specifications: Ferrite magnet 46cm woofer impedance 8Ω (measured DC resistance value 6.3Ω, 6.0Ω) 8.7kg (actual measurement)

40KD6

Ask 16-05546-94489-00
40KD6
Manufacture:SYLVANIA
Price: JPY 2,727
Shop: Osu shop
Arrival: 2016-06-19 19:58:17

4242A

Ask 24-42457-09563-00
4242A
Manufacture:STC
Price: JPY 270,909(pair)
Shop: Osu shop
Arrival: 2024-05-06 15:01:49
description
Pair tube, CV25 equivalent tube, VT-4C/211 compatible ball, large triode tube, molybdenum plate (zirconium coating), measured IP value: 45/45 mA (the best reference IP value for this amplifier is 50 mA) with white box ※ sound is checked with a test amplifier, plate current values have been measured, and it has been determined that operation is good (Kojima Yosuke) Accessories: white box

4300B

Ask 23-39703-13680-00
4300B
Manufacture:STC
Price: JPY 68,182
Shop: Osu shop
Arrival: 2023-07-01 20:01:09
description
Sold per bottle, 300B equivalent tube, direct heat triode, English tea base, double ring getter, measurement value 66 (rejection value 58) with original box*The measured values represent the gm values measured with the test machine TV-7 (Kojima Yosuke) Accessories: original box

4312SEU.S.A

Ask 24-42758-09748-00
4312SE
Manufacture:JBL
Original price: JPY 260,000
Price: JPY 180,000(pair)
U.S.A 2016 made
Arrival: 2024-05-05 20:12:23
description
The price has been drastically reduced! 2024/5/5 sales price 218,000 yen A special edition model commemorating the 70th anniversary of JBL's founding. The latest version that has been refined over the traditional 4312 series. A 12-inch diameter woofer unit equipped with the advanced 4429 is used. It is an all-round speaker with a sense of energy and good range extension. The exterior is dull. Serial 3072/3073 (Yonejima Satoshi) Maintenance information: 2024.5.5 sweep test is good Accessories: saran net Main specifications: 3-way bass reflex type 300mm woofer 125mm mid-range 25mm tweeter impedance 6Ω output sound pressure level 90dB frequency characteristics 44Hz to 40kHz W362 x H597 x D298 mm 25.2 kg

4343

Ask 24-42171-05029-00
4343
Manufacture:JBL
Original price: JPY 1,120,000
Price: JPY 634,545(pair)
Shop: Osu shop
Arrival: 2024-04-04 19:57:27
description
All units have been overhauled, including the woofer, mid, driver and tweeter, and network! It is an individual that has been fully restored, including the exterior. The original 4343 by All Alnico, the original 4343 of 4343! The crisp low frequencies and punchy high frequencies are unbearable, and popularity continues unabated even now. The dynamic sound typical of JBL has been revived due to maintenance. It is a famous monitor that can best reproduce the sound source of on-microphone recordings regardless of age or genre (Sasaki Shota) Maintenance information: 2024.4.4 Maintained (exterior repair/gray paint. Front and rear baffle repair and painting. Saran net replacement/frame repair. Woofer maintenance: edge replacement, corn paper coating. Midmaintenance: edge replacement, corn paper coating. Driver maintenance: magnetic circuit rust removal/gap cleaning/center adjustment, sound absorbing material replacement, terminal cleaning/screw replacement. Tweeter maintenance: magnetic circuit rust removal/gap cleaning, terminal cleaning/screw replacement. Network maintenance: frequency characteristic check, ATT cleaning, terminal cleaning/screw replacement, switching SW contact cleaning, high frequency capacitor replacement) Accessories: none Main specifications: 4 way 4 speaker bass reflex type 2405/2420/2121/2231A crossover 300Hz/1250Hz/9500Hz 8Ω 93dB W635 x H1,051 x D435 mm 83.9 kg/book

45回転(7")盤用ノズル

Ask 24-42584-09165-00
45回転(7
Manufacture:VPI
Price: JPY 2,727
Arrival: 2024-05-08 19:47:04
description
It seems to be a VPI vacuum record cleaner 45 rotation (7") board nozzle (Kobayashi Hitoshi) Accessories: none

5750

Ask 17-08441-34813-00
5750
Manufacture:SYLVANIA
Price: JPY 1,364
Shop: Osu shop
Arrival: 2017-02-24 20:10:00

5750

Ask 17-08441-30216-00
5750
Manufacture:SYLVANIA
Price: JPY 1,364
Shop: Osu shop
Arrival: 2017-02-24 20:10:07

5750

Ask 17-08441-30112-00
5750
Manufacture:SYLVANIA
Price: JPY 2,273
Shop: Osu shop
Arrival: 2017-01-26 19:58:49

5750

Ask 17-08441-26800-00
5750
Manufacture:SYLVANIA
Price: JPY 2,727
Shop: Osu shop
Arrival: 2017-01-04 19:48:42

5750

Ask 17-08441-26798-00
5750
Manufacture:SYLVANIA
Price: JPY 2,727
Shop: Osu shop
Arrival: 2017-01-04 19:48:44

5881

Ask 19-24407-60470-00
5881
Manufacture:SYLVANIA
Price: JPY 3,636
Shop: Osu shop
Arrival: 2019-11-10 12:26:36

5881

Ask 24-42399-08471-00
5881
Manufacture:SOVTEK
Price: JPY 4,545(pair)
Shop: Osu shop
Arrival: 2024-04-28 20:39:57
description
Pair tube 6L6WGB compatible ball Russian short base measurement value 42/42 (rejected value 25) with original box*Pairs are determined based on gM values measured with the test machine TV-7 (Kojima Yosuke) Accessories: original box

5881

Ask 24-42399-08472-00
5881
Manufacture:SOVTEK
Price: JPY 4,545(pair)
Shop: Osu shop
Arrival: 2024-04-29 20:01:58
description
Pair tube 6L6WGB compatible ball Russian short base measurement value 42/42 (rejected value 25) with original box*Pairs are determined based on gM values measured with the test machine TV-7 (Kojima Yosuke) Accessories: original box

5998A

Ask 20-28951-37107-00
5998A
Manufacture:GE
Price: JPY 7,273(pair)
Shop: Osu shop
Arrival: 2021-04-16 20:08:02
description
Pair Tube Bi-triode Power Tube Made in USA JAN Measurement Value 60/60 (Rejection Value 40) With Original Box ※ The pair is judged based on GM value measured on the tv-7 test machine (Yosuke Kojima) Accessories: original box

5998A

Ask 20-28951-37110-00
5998A
Manufacture:GE
Price: JPY 2,727
Shop: Osu shop
Arrival: 2021-04-16 20:08:15
description
1 sold bi-triode power tube made in the USA JAN measurement value 58 (rejection value 40) with original box ※ Measured value is gm value measured by tv-7 tester (Yosuke Kojima) Accessories: original box

5998A

Ask 20-28951-37109-00
5998A
Manufacture:GE
Price: JPY 7,273(pair)
Shop: Osu shop
Arrival: 2021-04-16 20:08:23
description
Pair Tube Bi-triode Power Tube Made in USA JAN Measurement Value 60/60 (Rejection Value 40) With Original Box ※ The pair is judged based on GM value measured on the tv-7 test machine (Yosuke Kojima) Accessories: original box

5998A

Ask 20-28951-37108-00
5998A
Manufacture:GE
Price: JPY 7,273(pair)
Shop: Osu shop
Arrival: 2021-04-16 20:08:19
description
Pair Tube Bi-triode Power Tube Made in USA JAN Measurement Value 60/60 (Rejection Value 40) With Original Box ※ The pair is judged based on GM value measured on the tv-7 test machine (Yosuke Kojima) Accessories: original box

6336A

Ask 22-36933-48596-00
6336A
Manufacture:CETRON
Price: JPY 27,273(pair)
Shop: Osu shop
Arrival: 2023-07-13 20:09:13
description
Pair tube, triode, metal base, made in America, with original box*Pairs are determined based on EM values measured by the SENCORE TC-162 testing machine (Kojima Yosuke) Accessories: original box

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

6350

Ask 15-83456-40458-00
6350
Manufacture:SYLVANIA
Price: JPY 1,818(only one piece)
Shop: Osu shop
Arrival: 2015-02-21 20:01:08

6350

Ask 16-08634-25580-00
6350
Manufacture:SYLVANIA
Price: JPY 1,364
Shop: Osu shop
Arrival: 2016-12-25 20:00:52

63M MK3SJapan

This item has been sold.You can't purchase now. 24-41692-01368-00
63M MK3S
Manufacture:MACTONE
Price: JPY 90,727 Sold Out
Japan
Shop: Osu shop
Arrival: 2024-04-08 19:57:05
description
The disposal price has been reduced! (Member prices are not applicable) 2024/4/8 sales price 198,000 yen Maintained! Macton tubular OTL stereo power amplifier. Eight 6RA3 triodes are used in parallel per channel to enhance load impedance adaptability, and it also features a structure with Macton's unique balanced NF applied. The sound unique to OTL is thick and has a high sense of energy, and the high driving power is also attractive. The appearance is oxidized and dull. Serial 40704 (Yonejima Satoshi) Maintenance information: 2024.4.8 Maintained (power transformer primary side rewound repair by PSE inspection. 3 vacuum tube 6RA3 replacements Vacuum tube 6AQ8 replacement. Main volume disassembly cleaning repair. Vacuum tube socket and RCA jack caulk repair. Operation has also been checked with AC 100V (rated output 32W, SP:16Ω), please use speakers above 16Ω) Accessories: No accessories Main specifications: tubular low-load OTL stereo power amplifier 30W x 30W (8Ω) vacuum tube used: 6RA3 x 10/6RA8 x 2/12AX7 W370 ✕ H160 ✕ D270 mm 12 kg

6550

Ask 23-40152-17328-00
6550
Manufacture:SYLVANIA
Price: JPY 18,182(pair)
Shop: Osu shop
Arrival: 2023-09-02 20:12:57
description
Pair tube, metal, brown base, made in America, measured value 66/64 (rejected value 44) with original box (some written), sticker is attached to the base part, and there is a getter burn ※ The pair was determined based on the GM value measured with the test machine TV-7 (Kojima Yosuke) Accessories: original box

6550

Ask 24-42399-08462-00
6550
Manufacture:TUNG SOL
Price: JPY 13,636(pair)
Shop: Osu shop
Arrival: 2024-04-21 19:40:45
description
Pair tube metal brown base Russian dharma tube measured value 60/58 (rejected value 44) with white box, printing on one side often disappears ※Pairs are determined based on gM values measured with the test machine TV-7 (Kojima Yosuke) Accessories: original box

6550A

Ask 24-42434-07338-00
6550A
Manufacture:GE
Price: JPY 22,727(pair)
Shop: Osu shop
Arrival: 2024-04-09 19:33:08
description
Pair tube KT88 compatible ball American metal base measurement value 58/52 (rejection value 44) There is getter burn and loss on one side, and there is dullness on the base on the other side ※The pair is judged based on the gM value measured by the testing machine TV-7 (Kojima Yosuke) Accessories: none
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