Add search
39 results
Manufacture | Model/Title | Price | Arrival date

VT-4C

Ask 24-43077-12303-00
VT-4C
Manufacture:GE
Price: JPY 54,545(pair)
Shop: Osu shop
Arrival: 2024-06-09 20:12:08
description
Pair tube, 211 equivalent tube, large triode tube, made in America, actual measured IP value: 47/47 mA (the best standard IP value for this amplifier is 50 mA) with original 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: original box

DV62siU.S.A

24-43012-11805-00
DV62si
Manufacture:B.I.C America
Original price: JPY 28,000
Price: JPY 22,545(pair)
U.S.A
Arrival: 2024-05-30 19:55:54
description
The price has been reduced! 2024/5/30 sales price 28,000 yen*Currently sold. A small speaker with a 16.5 cm woofer. It is a high cost performance speaker that allows you to listen to rich musical sounds that are beyond its size. The full expressive power of the mid-range is attractive. The exterior is good with no conspicuous scratches. Serial 37866 (Yonejima Satoshi) Maintenance information: 2024.5.30 good sweep test Accessories: saran net Main specifications: 2 way impedance 8 ohms efficiency 90 dB playback frequency band 43 to 21,000 Hz W227 x H360 x D230 mm 7 kg

CRESCENDO(604E)U.S.A

Ask 24-43112-12613-00
CRESCENDO(604E)
Manufacture:ALTEC
Price: JPY 409,091(pair)
U.S.A 1974 made
Arrival: 2024-06-08 19:40:48
description
Both the interior and exterior were maintained in June 2021! ALTEC CRESCENDO equipped with a 604E. It has an elegant, furniture-like look designed for use in the home, and stands out from Altech. As for the sound, the good localization unique to coaxialism and the small multi-cellular horn give off the good sense of sharpness typical of Altec, so you can enjoy a crisp American sound. The center cone of the unit is slightly different on the left and right. ATT Gari remains (Takasaki Atsushi) Maintenance information: 2024.6.7 sound output confirmed 2021.6.15 Maintained (exterior repair/color loss painting/hakama repair, front baffle repair/paint processing trolley removal/hole filling repair, slip stud installation, saran net repair/reinforcement unit maintenance (low range: one-sided edge crack repair/application of dumping agent, edge repaired/center adjustment, high range: magnetic circuit slit cleaning/center adjustment, cleaning in various places) Removes aluminum seals that do not require unit detachment Treatment to prevent idling, re-fix the unfixed coils inside the treatment with silicon ATT contact cleaning. An exchange frequency characteristic measurement check (~ 42 kHz) is performed because the wiring is broken at the base of the resistor, and the original capacitor is continuously used to confirm the input/output waveform and balance for good results, check the sound output) Accessories: saran net Main specifications: frequency characteristics 20 to 20,000 Hz use unit 38 cm, 604E (coaxial type with built-in horn) network N-1500-A maximum input 50 W output sound pressure level 97 dB crossover frequency 1.6 kHz impedance 16 ohms W690 x H1,018 x D485 mm

6B4G

Ask 24-42974-12711-00
6B4G
Manufacture:RAYTHEON
Price: JPY 11,818(pair)
Shop: Osu shop
Arrival: 2024-06-08 20:03:17
description
Pair tube direct heat triode tube American double square getter measurement value 62/56 rejection value 38) It is inexpensive because there are few getters with white boxes ※Pairs are determined based on gM values measured with the test machine TV-7 (Kojima Yosuke) Accessories: white box

VT-52

Ask 24-43077-12300-00
VT-52
Manufacture:Western Electric
Price: JPY 107,273(pair)
Shop: Osu shop
Arrival: 2024-06-08 20:02:43
description
Pair Tube 45Special Compatible Ball Direct Heat Triode Tube Fishing Rod Type Filament Engraved Made in America Measured Value 110/110 (Rejected Value 55) It seems to be an unused item due to the state of the tube with the original box! *Pairs are determined based on the gM value measured by the test machine TV-7 (Kojima Yosuke) Accessories: original box

VT-52

Ask 24-43077-12302-00
VT-52
Manufacture:Western Electric
Price: JPY 107,273(pair)
Shop: Osu shop
Arrival: 2024-06-08 20:02:35
description
Pair Tube 45Special Compatible Ball Direct Heat Triode Tube Fishing Rod Type Filament Engraved Made in America Measured Value 110/106 (Rejected Value 55) It seems to be an unused item due to the state of the tube with the original box! *Pairs are determined based on the gM value measured by the test machine TV-7 (Kojima Yosuke) Accessories: original box

349A

24-42974-12702-00
349A
Manufacture:Western Electric
Price: JPY 116,364(pair)
Shop: Osu shop
Arrival: 2024-06-07 19:48:01
description
Pair tube, 5 pole tube, made in America JAN lot: 726/739, measured value 34/30 (rejected value 20) with white box (written on the box) *Pairs are judged based on gM values measured with the test machine TV-7 (Kojima Yosuke) Accessories: white box

845

This item has been sold.You can't purchase now. 24-42974-12701-00
845
Manufacture:RCA
Price: JPY 189,091(pair)Sold Out
Shop: Osu shop
Arrival: 2024-06-07 19:41:11
description
Pair tube large triode tube made in America Actual measured Ip value: 70mA/70mA (the best standard IP value for this amplifier is 75mA) The inside of the tube with the original box is slightly burnt, and there is dirt adhering to the outside of the tube*Sound is checked with a test amplifier, and the plate current value has been measured, and it has been determined that the operation is good (Kojima Yosuke) Accessories: original box

845

This item has been sold.You can't purchase now. 24-42974-12700-00
845
Manufacture:RCA
Price: JPY 216,364(pair)Sold Out
Shop: Osu shop
Arrival: 2024-06-07 19:41:07
description
Pair tube, large triode tube, made in America, measured Ip value: 71 mA/71 mA (the best standard IP value for this amplifier is 75 mA) with original box*Sound is checked and plate current values are measured with a test amplifier, and it has been determined that operation is good (Kojima Yosuke) Accessories: original box

model 140U.S.A

This item has been sold.You can't purchase now. 24-42950-11319-00
model 140
Manufacture:marantz
Original price: JPY 89,800
Price: JPY 54,364 Sold Out
U.S.A 1975 made
Arrival: 2024-06-05 19:58:33
description
Maintained! A power amplifier from the USA Marantz era. The compact yet powerful American sound is attractive. It works great with speakers that make a lot of noise, such as JBL, and you can enjoy an exciting sound that is clear. Exterior, paint deterioration, dullness, abrasions, etc. can be seen (Kobayashi Hitoshi) Maintenance information: 2024.6.4 maintenance (lamp replacement (replacement), power stage Tr check, C replacement, DC offset, bias adjustment, relay contact cleaning, operation check) Accessories: none Main specifications: 80W+80W (8Ω) damping factor 30 (8Ω) power meter (sensitivity can be switched in 3 levels) mounted dimensions W358 x H120 x D273 mm weight 11 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

CRESCENDOU.S.A

Ask 24-42575-08274-00
CRESCENDO
Manufacture:ALTEC
Original price: JPY 457,800
Price: JPY 361,818(pair)
U.S.A 1974 made
Shop: Osu shop
Arrival: 2024-05-10 19:53:10
description
The disposal price has been reduced. 2024/5/10 sales price 498,000 yen Both inside and outside have been maintained! Crescendo is a speaker system developed by Electri and sold with Altech's approval. This time it's an original original box specification with the 605B mounted on it. You can enjoy the tasteful design unique to vintage speakers and the crisp American sound with good texture and momentum. The exterior is also beautifully finished due to maintenance, but there are repair marks on the net (Sasaki Shota) Maintenance information: 2024.5.10 Maintained (exterior cleaning/touch repair. Network assembly) 2023.9.3 maintained (exterior repair/polishing/clear finish front and rear baffle repair/paint saran net simple cleaning Unit maintenance (low range side: viscoid adjustment/center adjustment, high frequency side: lead disconnection repair, magnetic circuit rust removal/gap cleaning/center adjustment, terminal contact cleaning) network maintenance (characteristic check, terminal cleaning) unit detachment) Accessories: none Main specifications: frequency characteristics 20 to 20,000 Hz, use unit 38 cm, 605B (coaxial type with built-in horn), maximum input 50 W, output sound pressure level 97 dB, crossover frequency 1.6 kHz, impedance 16 Ω W690×H1018×D485mm

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

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

DLH-100U.S.A

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

BT-2U.S.A

Ask 24-41975-03439-00
BT-2
Manufacture:AUDIO OF OREGON
Original price: JPY 178,000
Price: JPY 63,455
U.S.A 1978 made
Arrival: 2024-04-27 20:09:58
description
The price has been drastically reduced! 2024/4/27 sales price 79,800 yen Maintained! This is the first AUDIO OF OREGON control amplifier to arrive in a long time. It is compatible with 117V specification American speakers such as ALTEC and JBL, etc., and although it is a transistor, it doesn't become too stiff and makes you enjoy the firm sound. The exterior has dullness and scratches. ※The plug has been changed. Genuine RF Serial 02117 (Tamura Eiji) Maintenance information: 2024.4.27 Maintained (no running symptoms. The board vibration check connection was checked. (All pattern parts of the flat amplifier module unit have been added and soldered.) 2024.4.13 Maintained (Electrolytic capacitor replacement in amplifier module. Pattern contact defect correction. (Voice operation check) Accessories: No accessories Main specifications: All stages use pure class A operation circuit input phono (mm/47 kΩ) tuner, tape, aux dimensions W483 x H89 x D190 mm weight 4.5 kg 

DLH-100U.S.A

Ask 23-41499-27806-00
DLH-100
Manufacture:QUATRE
Price: JPY 36,182
U.S.A
Arrival: 2024-01-18 20:16:07
description
The disposal price has been reduced! (Member discounts are not applicable) 2024/1/18 sales price 49,800 yen Maintained! An American-made amplifier from the 1970s that can hardly be seen today. Circuits for self-preservation, such as security, correction, and protection, have been cut off, and I think that handsome atmosphere is well reflected in the sound. It has the same feeling of use as the model year (Daiki Goto) Maintenance information: 2024.1.18 Maintained (LED installation (original not available) poor power stage transistor deterioration, defective transistor in the board → replacement. Bias adjustment, operation check.) Accessories: none Main specifications: size (actual measurement) W406 x H155 x D327 mm weight (actual measurement) 12.2 kg

6L6WGB

Ask 24-42399-08449-00
6L6WGB
Manufacture:PHILIPS ECG
Price: JPY 12,727(pair)
Shop: Osu shop
Arrival: 2024-04-21 19:40:29
description
Pair tube, ambient heat beam tube, made in America, JAN measurement value 42/40 (rejected value 25) with white box ※Pairs are determined based on GM values measured by the testing machine TV-7 (Kojima Yosuke) Accessories: white box

Georgian 4U.S.A

Ask 23-38682-05750-00
Georgian 4
Manufacture:Electro Voice
Price: JPY 725,455(pair)
U.S.A 1985 made
Shop: Osu shop
Arrival: 2024-01-25 11:02:48
description
The disposal price has been reduced. Member prices are not applicable. 2023/9/13 sales price 2,980,000 yen Maintained with attention to details such as drivers and wiring! The Georgian 4 is attractive for its elaborate horn configuration and beautiful furniture-like design. It is a model with a built-in crispy horn, a structure that creates a unique sound with a rich sense of scale, and the loud sound is truly an American masterpiece, but you can also feel a somewhat English-like sex appeal. *The attenuator has been maintained, but slight chipping occurs when turning due to deterioration of the original winding resistance (Oikawa Tetsuji) Maintenance information: 2023.9.13 Maintained (828HF disassembly and maintenance: separation from magnetic circuit and diaphragm, magnetic circuit diaphragm maintenance: cleaning of the magnetic circuit, rustproof vibration system, round out, stop noise, T350 disassembly and maintenance: separation from the magnetic circuit and diaphragm, sound pressure difference adjustment: stop noise due to resonance sound generation, elimination of sound pressure drop due to rear sound leakage. Confirm that there are no modifications inside the housing. Remove rust from screws on screw-type terminals, pickle, and polish and clean the receiving side. ATT (x4) contact cleaning. A frequency characteristic measurement check (~ 42 kHz) was performed, and the original capacitor was continuously used because the results were good. (Input/output waveform and balance check, sound output check) Accessories: none Main specifications: 4-way 15WK, 828HF, T350, X336 (300/3500) approx. W860 x D660 x H1,350 mm approx. 90 kg

Model 240U.S.A

Ask 24-41978-03467-00
Model 240
Manufacture:marantz
Original price: JPY 195,000
Price: JPY 86,182
U.S.A 1972 made
Arrival: 2024-03-23 16:53:00
description
The disposal price has been reduced. Member prices are not applicable. 2024/3/7 sales price 128,000 yen Maintained! A crisp, bright, and sharp sound typical of Marantz from the 1970s. Exactly, it's an American sound on the west coast. The design is also a simple design typical of US Marantz. ※The leg is out of stock. The exterior has dullness and small scratches. Serial 4180 (Yonejima Satoshi) Maintenance information: 2024.3.7 Maintained (single CH power stage transistor replacement. Screwdriver transistor resistor replacement. Drive Tr Capacitor Replacement Contact polishing, aging test) Accessories: No accessories Main specifications: 125W+125W (8Ω) W445 × H170 × D265 mm 14.8 kg

グランド線/4.0mU.S.A

Ask 24-41752-02228-00
グランド線/4.0m
Price: JPY 6,364(only one piece)
U.S.A
Arrival: 2024-02-09 19:26:55
description
The disposal price has been reduced. Member discounts are not applicable. 2024/2/9 sales price 12,800 yen. Ground wire 4.0m American steel vintage ground cable. Sturdy single wire. Depending on the idea, it can also be used for wiring other than ground wires. If you've been looking for one, why don't you take this opportunity (Murakoshi Yoichi) Maintenance information: 2024.2.9 continuity confirmed Accessories: none

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

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

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

6BX7GT

Ask 23-41169-25363-00
6BX7GT
Manufacture:RCA
Price: JPY 3,636
Shop: Osu shop
Arrival: 2023-12-10 19:55:39
description
※Set of 2 (both tubes are not treated as a pair since their structures are very different), deflection output tubes, made in America, measured value 66/64 (rejection value 38), with original box (box lid is missing) *Measured values indicate GM values measured with the TV-7 testing machine (Kojima Yosuke) Accessories: original box

7581A

Ask 22-37213-52410-00
7581A
Manufacture:PHILIPS ECG
Price: JPY 18,182(pair)
Shop: Osu shop
Arrival: 2023-12-07 20:18:09
description
Pair tube, 6L6GC compatible ball, high reliability tube, made in America lot: 8526/8526 measured value 44/42 (rejected value 25) with replacement box ※ pair is determined based on GM values measured with test machine TV-7 (Kojima Yosuke) Accessories: replacement box

CK6336A

Ask 22-36248-44639-00
CK6336A
Manufacture:RAYTHEON
Price: JPY 21,818(pair)
Shop: Osu shop
Arrival: 2023-12-03 20:09:05
description
Pair tube, triode, metal base, made in America, with original box, the size of the glass tube is different on the left and right, but the internal structure is the same ※The pair is determined based on EM values measured with the SENCORE TC-162 test machine (Kojima Yosuke) Accessories: white box

CK6336A

Ask 22-36248-44640-00
CK6336A
Manufacture:RAYTHEON
Price: JPY 18,182(pair)
Shop: Osu shop
Arrival: 2023-12-03 20:09:04
description
Pair tube, triode, metal base, made in America, comes with a box, is inexpensive because there are fewer gutters and there are burns ※Pairs are determined based on EM values measured with the SENCORE TC-162 test machine (Kojima Yosuke) Accessories: white box

MJ-無線と実験- 1984年09月号

23-90003-22435-60
MJ-無線と実験- 1984年09月号
Price: JPY 909
雑誌・書籍1000円以上で送料無料
Arrival: 2023-10-24 13:01:33
description
※Shipping service. Special Feature = Contemporary Noise Thoughts Vol.2/Overview of American 3-Pole Output Tubes/Mos-FET Single Stage OTL Amplifier/Medium Monitor Speaker Research/New Feedback Circuit Type DC Preamplifier/38 cmW Woofer System Vol.4/Published Circuit Diagram: PIONEER CT-580/S57.5.1 Issued Photographs are samples, so the actual product may be broken or written.

6550A

This item has been sold.You can't purchase now. 22-37069-52146-00
6550A
Manufacture:GE
Price: JPY 7,273 Sold Out
Shop: Osu shop
Arrival: 2023-01-11 19:52:13
description
1 bottle of KT88 compatible ball, made in America, metal base, LUXMAN print measurement value 54 (rejection value 44), base with replacement box, has dullness ※ measured values indicate GM values measured with test machine TV-7 (Kojima Yosuke) Accessories: replacement box

6JS6C

Ask 19-18661-02137-00
6JS6C
Manufacture:GE
Price: JPY 3,636(pair)
Shop: Osu shop
Arrival: 2019-01-24 19:54:10
description
Pair tube, deflection output tube, made in America, with original box ※Pairs are determined based on EM values measured with the TC-162 tester (Kojima Yosuke) Accessories: original box

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

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

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
39 results
UsedUsed
ConsignedConsigned
HoldHold
ReservedReserved
Sold OutSold Out