2363 results
Manufacture | Model/Title | Price | Arrival date

CA-MCT1Japan

This item has been sold.You can't purchase now. 23-41061-24547-00
CA-MCT1
Manufacture:Classic Audio
Price: JPY 134,545 Sold Out
Japan
Arrival: 2023-12-03 20:07:42
description
This is a very rare classic audio heavyweight MC boost transformer. It is designed to be compatible with all cartridges, and is a cost-effective product. As you can see from its weight, it was created by putting in a considerable amount of material, and is recommended for those looking for a thick sound that sits on your back. There are small scratches on the exterior (Tamura Eiji) Maintenance information: 2023.12.3 operation confirmed Accessories: none Main Specifications: Special Oil Dump System Renewable Frequency Range 10 Hz or less to 100 kHz Boost Ratio: Hi · 27dB (1:22) Compatible Cartridges: DENON DL-103, etc. Low 35dB (1:33) Compatible Cartridges: Ortofon SPU Systems/Audio-Technica AT33, etc. Recommended input impedance: HI, 20 ohm to low, 1 ohm to 20 ohm, recommended load resistance 47 kΩ, W210 x H100 x D190 mm, weight approx. 10.3 kg

ST-7Denmark

This item has been sold.You can't purchase now. 23-41397-27053-00
ST-7
Manufacture:ortofon
Original price: JPY 34,000
Price: JPY 25,455 Sold Out
Denmark
Shop: Osu shop
Arrival: 2023-12-24 20:13:30
description
*Currently sold. Ortofon MC boost transformer. It is a model that inherits the basic sound quality, cost performance, and space savings of the previous ST-5, and achieves an extremely clear, wide-range sound (Oikawa Tetsuji) Maintenance information: 2023.12.24 Operation confirmed Accessories: instruction manual, original box Main specifications: frequency characteristics 15 to 45 kHz (+0 dB-2.5 dB), boost ratio 24 dB (47 kΩ/1 kHz) compatible cartridge impedance 2 ohm to 60 ohm load impedance 47 kΩ channel balance 0.5 dB channel separation 70 dB (1 kHz) W122 x H43.5 x D102 mm weight 790 g

TK-2220

This item has been sold.You can't purchase now. 23-41413-27194-00
TK-2220
Manufacture:PARTRIDGE
Original price: JPY 95,000
Price: JPY 134,545 Sold Out
Arrival: 2023-12-23 20:06:07
description
A step-up transformer cased by Audionics using a transformer from Partridge, a prestigious British transformer manufacturer. The natural band balance has a sense of intonation, and a pleasant tone that feels good against the skin. High 40 ohm and low 3 ohm compatibility due to cable replacement avoids sound quality deterioration due to switches, etc. There is no seal on the transformer part, and there is a thin paint crack (Kobayashi Hitoshi) Maintenance information: 2023.12.23 Operation confirmed Accessories: none Main specifications: input impedance 3 ohm/40 ohm switching boost ratio 35 dB frequency band 20 to 50,000 Hz load resistance 47 kΩ size W165 x H120 x D 100 mm weight 2.8 kg

SH-305MCJapan

This item has been sold.You can't purchase now. 23-41338-26620-00
SH-305MC
Manufacture:Technics
Original price: JPY 65,000
Price: JPY 63,455 Sold Out
Japan 1981 made
Arrival: 2023-12-16 20:14:43
description
The price has been drastically reduced. 2023/12/16 sales price 79,800 yen ※It is inexpensive because scratch repairs are scattered. MC boost transformer using an amorphous troidal core transformer. It has a weight that cannot be imagined from its size, and it makes you hear a silky sound. The impedance is switched in 4 levels, including PASS, and is compatible with various cartridges. There is a feeling of use on the exterior, paint peeling, dullness, abrasions, etc. (Kobayashi Hitoshi) Maintenance information: 2023.12.16 Operation confirmed Accessories: none Main specifications: Pass (when using MM cartridges), Low 3Ω, Middle 15Ω, High 30Ω switching W60 x H90 x D210 mm weight 4.5 kg

HP-T6Japan

This item has been sold.You can't purchase now. 23-41195-26646-00
HP-T6
Manufacture:Highphonic
Price: JPY 22,727 Sold Out
Japan
Arrival: 2023-12-22 19:28:15
description
※Since it is cheap, it will be handed over as is. MC step-up transformer. Using a large super permalloy core with high magnetic permeability, the high frequency sounds pleasant, and I got a smooth and clear impression throughout the song. (Miura Kimiya) Maintenance information: 2023.12.22 operation confirmed Accessories: No accessories Main specifications: input impedance 3 to 10 ohms output impedance 50 kΩ frequency characteristics 10 to 30,000 Hz W135 x H50 x D145 mm

AU-103Japan

This item has been sold.You can't purchase now. 23-41351-26734-00
AU-103
Manufacture:DENON
Original price: JPY 50,000
Price: JPY 45,455 Sold Out
Japan 1995 made
Arrival: 2023-12-22 19:16:36
description
A dedicated transformer optimized for the DL-103. The thick, machined body is completely left and right, set the transformer, and you can enjoy a beautiful sound with a sense of transparency by combining it with direct wiring from the input terminal to the transformer body (Asaina Tomoharu) Maintenance information: 2023.12.22 Continuity confirmed Accessories: none Main specifications: MC transformer boost ratio 1:10, suitable impedance 3 to 40 ohms, dimensions W135 x H52 x D102 mm, body weight 1.3 kg

MARK2 TYPE LU.S.A

This item has been sold.You can't purchase now. 23-41389-27012-00
MARK2 TYPE L
Manufacture:MA COTTER
Original price: JPY 260,000
Price: JPY 316,364 Sold Out
U.S.A 1979 made
Arrival: 2023-12-22 14:53:43
description
The most popular cotter MARK2 TYPE L. This is an MC boost transformer for low impedance such as orthophones. The strong, fresh sound using a sealed, strong case and silver wire is attractive. It is perfectly compatible with SPUs, etc. The transformer itself is different from P/PP/S. RF Enterprise officially imported model. ※Silver wire breaks easily, so please handle it with care (Murakoshi Yoichi) Maintenance information: 2023.12.21 sound output confirmed Accessories: original box Main specifications: primary impedance 1 to 6 ohms silver wire triaxial output cable, size W76 x H55 x D150 mm, approx. 1.3 kg

AU-320Japan

This item has been sold.You can't purchase now. 23-41264-26136-00
AU-320
Manufacture:DENON
Original price: JPY 19,800
Price: JPY 31,818 Sold Out
Japan 1971 made
Shop: Osu shop
Arrival: 2023-12-18 19:47:57
description
A classic MC boost transformer. With 2 input systems, an impedance of 3.40 ohms switchable, and a PASS line, you can freely enjoy a variety of cartridges and tone arms. There are small wounds and dullness (Oikawa Tetsuji) Maintenance information: 2023.12.18 operation confirmed Accessories: none Main specifications: MC boost transformer input, 2 systems, switchable, 1st order impedance 40 Ω, 3 Ω, switching, 2nd order impedance 4 kΩ, boost ratio 1:10, frequency characteristics, 10 Hz to 100 kHz, W97 x H65 x D155 mm, 800 g

XF-1Japan

This item has been sold.You can't purchase now. 23-41153-25159-00
XF-1
Manufacture:FR
Original price: JPY 68,000
Price: JPY 40,909 Sold Out
Japan 1981 made
Arrival: 2023-12-16 20:03:47
description
This is a boost transformer for FR low impedance MC cartridges (Type L version). There is a sense of clarity, and the crisp, straight sound is appealing. The exterior is dull and dirty. Serial 070389 (Kimiya Miura) Maintenance information: 2023.12.16 operation confirmed Accessories: no accessories Main specifications: input impedance 3 ohms or less, output impedance 47 to 50 kΩ, W158 x H60 x D120 mm, 2.1 kg

No.41Denmark

This item has been sold.You can't purchase now. 23-40893-23336-00
No.41
Manufacture:JS
Price: JPY 163,636 Sold Out
Denmark
Arrival: 2023-12-15 20:00:00
description
Cased No. 41 with a red pouch, a must-see for SPU owners. It has fullness, depth, and makes you hear a sound that has an astringent flavor. The impression is that the center of gravity is firm. On the exterior, there are rust spots and scratches on the transformer (Tamura Eiji) Maintenance information: 2023.12.15 Operation confirmed Accessories: none Main specifications: W100 x H80 x D70 mm 364 g

CST-80 40ZU.S.A

This item has been sold.You can't purchase now. 23-41288-26300-00
CST-80 40Z
Manufacture:AUDIO INTERFACE
Original price: JPY 94,000
Price: JPY 42,545 Sold Out
U.S.A 1979 made
Arrival: 2023-12-11 19:36:14
description
The price has been reduced. 2023/12/11 sales price price 49,800 yen. MC boost transformer with 40Ω specification (for high impedance) ideal for Denon DL-103 series. The fine sound quality and natural extension of the high range are attractive. There is an appearance, dullness, and a feeling of use (Kobayashi Hitoshi) Maintenance information: 2023.12.11 Operation confirmed Accessories: none Main specifications: MC boost transformer input impedance 40 Ω boost ratio 20 dB dimensions W76 x H53 x D128 mm actual measurement 760 g

AU-305Japan

This item has been sold.You can't purchase now. 23-40954-23756-00
AU-305
Manufacture:DENON
Original price: JPY 29,000
Price: JPY 18,000 Sold Out
Japan 1978 made
Arrival: 2023-11-11 20:23:39
description
※This item is currently sold. A limited edition model commemorating the 15th anniversary of the famous DL-103 cartridge. It is a boost transformer that was sold as a set as a DL-103 T2 at the time, and it has a solid, thick sound. The exterior has bumps and scuffs. Also, the cable has been replaced (length about 35 cm) (Tamura Eiji) Maintenance information: 2023.11.11 operation confirmed Accessories: no accessories Main specifications: frequency band 20 Hz to 70 kHz, 40 Ω, crosstalk 60 dB or more, W92 x H55 x D145 mm, 720 g

8025+AD8000Japan

This item has been sold.You can't purchase now. 23-41191-25496-00
8025+AD8000
Manufacture:LUXMAN
Original price: JPY 49,000
Price: JPY 63,636 Sold Out
Japan 1980 made
Shop: Osu shop
Arrival: 2023-12-10 19:54:45
description
A very rare step-up transformer has arrived. It comes with the AD8000, which is an adapter for connecting to general devices. It is also attractive that the input impedance is 3 to 40 ohms, making it easy to use. There are multiple scratches and peeling on the corner (Sasaki Shota) Maintenance information: 2023.12.10 Sound output operation confirmed Accessories: nothing Main Specifications: Compatible Impedance: 3 to 40 Ω Frequency Characteristics: 15 Hz to 100,000 Hz Boost Ratio: 1:10.5 

T-300Japan

This item has been sold.You can't purchase now. 23-41210-25673-00
T-300
Manufacture:Phasemation
Original price: JPY 79,500
Price: JPY 31,636 Sold Out
Japan
Arrival: 2023-12-07 20:07:50
description
The price has been reduced! 2023/12/7 sales price 39,800 yen Phasemation MC boost transformer. It is the successor to the company's standard model T-3. It features a structure that thoroughly eliminates magnetic noise, and the smooth mid-high range with a high SNR feel is attractive. The exterior is generally good (Tomonori Asaina) Maintenance information: 2023.12.7 operation confirmed Accessories: original box Main Specifications: Compatible Cartridge 1.5 to 40 Ω, Boost Ratio, 26 dB, Frequency Characteristics, 10 to 50 kHz, W136 x H88 x D128 mm, 1.2 kg

U-BROS-5 Type LJapan

This item has been sold.You can't purchase now. 23-41228-25894-00
U-BROS-5 Type L
Manufacture:UESUGI
Original price: JPY 88,000
Price: JPY 54,364 Sold Out
Japan
Shop: Osu shop
Arrival: 2023-12-06 20:05:15
description
Boost transformer for MC cartridges. Low impedance type. MC boost transformer loaded with transformers developed jointly with Tamura. Perfect for orthophone MC cartridges (Fujisawa Yukishi) Maintenance information: 2023.12.6 operation confirmed Accessories: none Main specifications: 1st order impedance 3 Ω 2nd order impedance 2 kΩ boost ratio 25.8 times W174 x H125 x D121 mm 2.5 kg 

T-1000

This item has been sold.You can't purchase now. 23-41202-25576-00
T-1000
Manufacture:Phasemation
Original price: JPY 330,000
Price: JPY 216,364(pair)Sold Out
Shop: Osu shop
Arrival: 2023-12-04 20:08:25
description
Hi-Fi Hall is in stock for the first time! It is a beautiful item with the original box. LChRCH independent mono boost transformer. I had the impression that the sound was very sharp, the resolution was high, and the sound source of the record was completely reproduced. The pitch of the sound is perfect, and it's a boosting transformer that you can enjoy in all genres (Sasaki Shota) Maintenance information: 2023.12.4 operation confirmed Accessories: original box, manual, ground cable Main specifications: output impedance 1.5 to 4.0 ohms, load impedance 47 kΩ, boost ratio 26 dB, W174 x H90 x 173 mm, 2.0 kg

ESL 301U.S.A

This item has been sold.You can't purchase now. 23-40896-23375-00
ESL 301
Price: JPY 134,545 Sold Out
U.S.A
Arrival: 2023-12-03 20:07:29
description
A very rare Electrosonic Laboratories' mono boost transformer. It is a JS OEM sold under the ESL (Electro Sonic Laboratory) brand. Naturally, it goes great with ESL and orthophones, and it makes a vivid and powerful sound. As for the exterior, there are bald spots etc. (Tamura Eiji) Maintenance information: 2023.12.3 operation confirmed Accessories: none

SH-305MCJapan

This item has been sold.You can't purchase now. 23-40956-23758-00
SH-305MC
Manufacture:Technics
Original price: JPY 65,000
Price: JPY 81,636 Sold Out
Japan 1981 made
Shop: Osu shop
Arrival: 2023-11-18 20:10:09
description
MC step-up transformer using an amorphous toroidal core transformer. It has a weight that is unimaginable from its size, and makes you hear a silky sound. The impedance is switched between 4 levels, including PASS, and is compatible with various cartridges. There is a feeling of use, such as appearance, dullness, abrasions, etc. (Kobayashi Hitoshi) Maintenance information: 2023.11.12 Continuity confirmed Accessories: none Main specifications: 4-position recommended cartridge impedance/pass (when using MM cartridges) Low3Ω, Middle 15Ω, High30Ω, W60 x H90 x D210 mm, Weight 4.5 kg

T-3Japan

This item has been sold.You can't purchase now. 23-41169-25285-00
T-3
Manufacture:Phase Tech
Original price: JPY 38,000
Price: JPY 22,727 Sold Out
Japan 2005 made
Shop: Osu shop
Arrival: 2023-12-01 19:42:37
description
MC boost transformer. It features a body structure that thoroughly eliminates magnetic noise. The sound is fresh and smooth. The microwave is also wide, and the sound quality is elegant and comfortable. The exterior is dull. Felt is attached to the bottom (Fujisawa Yukishi) Maintenance information: 2023.12.1 operation confirmed Accessories: none Main specifications: Compatible cartridge impedance 1.5 to 40 ohms, load impedance 47 kΩ, boost ratio 26 dB, W133 x H85 x 129 mm, 1 kg

AU-320Japan

This item has been sold.You can't purchase now. 23-40963-23807-00
AU-320
Manufacture:DENON
Original price: JPY 19,800
Price: JPY 31,818 Sold Out
Japan 1971 made
Arrival: 2023-11-28 19:55:03
description
A classic MC boost transformer. With 2 input systems, an impedance of 3.40 ohms switchable, and a PASS line, you can freely enjoy a variety of cartridges and tone arms. The exterior is dull and dirty. (MIURA Kimiya) Maintenance information: 2023.11.28 Operation confirmed Accessories: no accessories Main specifications: MC boost transformer input, 2 systems, switchable, 1st order impedance 40 Ω, 3 Ω, switching, 2nd order impedance 4 kΩ, boost ratio 1:10, frequency characteristics, 10 Hz to 100 kHz, W97 x H65 x D155 mm, 800 g

AU-305Japan

This item has been sold.You can't purchase now. 23-41136-25045-00
AU-305
Manufacture:DENON
Original price: JPY 29,000
Price: JPY 18,000 Sold Out
Japan 1978 made
Arrival: 2023-11-27 19:24:53
description
※This item is currently sold. A limited edition model commemorating the 15th anniversary of the famous DL-103 cartridge. It is a boost transformer that was sold as a set as a DL-103 T2 at the time, and it has a solid, thick sound. There is a feeling of use such as appearance, dullness, small scratches, abrasions, etc. (Kobayashi Hitoshi) Maintenance information: 2023.11.27 Operation confirmed Accessories: none Main specifications: frequency band 20 Hz to 70 kHz, 40 ohms, crosstalk 60 dB or more, W92 x H55 x D145 mm, 720 g

SH-305MCJapan

This item has been sold.You can't purchase now. 23-40737-22138-00
SH-305MC
Manufacture:Technics
Original price: JPY 65,000
Price: JPY 90,727 Sold Out
Japan 1981 made
Shop: Osu shop
Arrival: 2023-11-23 19:40:31
description
MC step-up transformer using an amorphous toroidal core transformer. It has a weight that is unimaginable from its size, and makes you hear a silky sound. The impedance is switched between 4 levels, including PASS, and is compatible with various cartridges (Sasaki Shota) Maintenance information: Operation confirmed on 2023.11.23 Accessories: none Main specifications: 4-position recommended cartridge impedance/pass (when using MM cartridges) Low3Ω, Middle 15Ω, High30Ω, W60 x H90 x D210 mm, Weight 4.5 kg

AU-300LCJapan

This item has been sold.You can't purchase now. 23-40866-23088-00
AU-300LC
Manufacture:DENON
Original price: JPY 20,000
Price: JPY 14,364 Sold Out
Japan 1986 made
Shop: Osu shop
Arrival: 2023-11-11 20:21:59
description
※This item is currently sold. The final model of a DENON boost transformer that uses all LC-OFC lines. Small and affordable, yet clear sound with high S/N. It is a versatile type that is compatible with a variety of cartridges from 3 to 40 ohms. There is a feeling of use, such as appearance, dullness, small scratches, etc. (Kobayashi Hitoshi) Maintenance information: 2023.11.2 Operation confirmed Accessories: none Main Specifications: All LC-OFC Wires LR Independent Permalloy Double Shield Compatible Cartridge Impedance 3 to 40 Ω Boost Ratio 1:10 Connection Cord 40 mm Frequency Characteristics 20 Hz to 50 kHz W50 x H37 x D110 mm 260 g

STA-6600LDenmark

This item has been sold.You can't purchase now. 23-40958-23792-00
STA-6600L
Manufacture:ortofon
Original price: JPY 36,000
Price: JPY 63,455 Sold Out
Denmark
Arrival: 2023-11-18 20:10:12
description
L type with a strengthened shield for the famous Danish transformer JS No. 6600. Since the boost ratio is high, the weak point where it is easy to pick up hams has been overcome with a strong shield. It is ideal for SPUs with weak output and older MC series. The rich tone is exquisite. There is a feeling of use such as dents, dullness, and abrasions on the exterior and side angles (Kobayashi Hitoshi) Maintenance information: 2023.11.14 Operation confirmed Accessories: none Main specifications: 1st order impedance 1.5 Ω 2nd order impedance 1.5 kΩ with bypass switch for boost ratio 1:31 MM

AU-320Japan

This item has been sold.You can't purchase now. 23-40988-23991-00
AU-320
Manufacture:DENON
Original price: JPY 19,800
Price: JPY 31,818 Sold Out
Japan 1971 made
Shop: Osu shop
Arrival: 2023-11-17 19:32:24
description
A classic MC boost transformer. With 2 input systems, impedance switchable to 3.40 ohms, and a PASS line, you can freely enjoy various cartridges and tone arms (Sasaki Shota) Maintenance information: 2023.11.17 Operation confirmed Accessories: instruction manual Main specifications: MC boost transformer input, 2 systems, switchable, 1st order impedance 40 Ω, 3 Ω, switching, 2nd order impedance 4 kΩ, boost ratio 1:10, frequency characteristics, 10 Hz to 100 kHz, W97 x H65 x D155 mm, 800 g

FRT-3Japan

This item has been sold.You can't purchase now. 23-40902-23421-00
FRT-3
Manufacture:FR
Original price: JPY 20,500
Price: JPY 18,000 Sold Out
Japan 1978 made
Arrival: 2023-11-05 20:15:20
description
※This item is currently sold. FR MC boost transformer using a toroidal core. Creating a natural sound where the characteristics of cartridges are easy to understand. In addition to 10 and 30 ohm impedance switching, there is also a bypass position, making it compatible with various cartridges without taking up much space. Appearance, dullness, and feeling of use (Kobayashi Hitoshi) Maintenance information: 2023.11.4 Operation confirmed Accessories: none Main specifications: impedance 10/30/PASS Playback frequency band 20Hz to 30kHz W64 × H64 × D105 mm approx. 455g

AU-305Japan

This item has been sold.You can't purchase now. 23-40954-23755-00
AU-305
Manufacture:DENON
Original price: JPY 29,000
Price: JPY 18,000 Sold Out
Japan 1978 made
Arrival: 2023-11-16 19:53:20
description
※There is no problem with operation, but since it is inexpensive, it will be handed over as is. A limited edition model commemorating the 15th anniversary of the famous DL-103 cartridge. It is a boost transformer that was sold as a set as a DL-103 T2 at the time, and it has a solid, thick sound. As for the exterior, there is a scratch on the top plate. (MIURA Kimiya) Maintenance information: 2023.11.16 Operation confirmed Accessories: no accessories Main specifications: frequency band 20 Hz to 70 kHz, 40 ohms, crosstalk 60 dB or more, W92 x H55 x D145 mm, 720 g

AU-S1Japan

This item has been sold.You can't purchase now. 23-40985-23950-00
AU-S1
Manufacture:DENON
Original price: JPY 120,000
Price: JPY 81,636 Sold Out
Japan 1992 made
Shop: Osu shop
Arrival: 2023-11-12 19:53:15
description
This transformer is the best match for the company's DL-S1 and DL-103 series. You can enjoy the thickness and luster of a clear, natural sound. The amount of information unique to high-end machines brings out even the smallest details of the characters in the cartridge. (MIURA Kimiya) Maintenance information: 2023.11.12 Operation confirmed Accessories: no accessories Main specifications: 6N wiring material compatible impedance 3 to 40 ohms 10 to 80,000 Hz boost ratio 1:13 W150 x H70 x D175 mm 3.2 kg

AU-103Japan

This item has been sold.You can't purchase now. 23-40948-23713-00
AU-103
Manufacture:DENON
Original price: JPY 50,000
Price: JPY 40,909 Sold Out
Japan 1995 made
Shop: Osu shop
Arrival: 2023-11-11 20:26:45
description
A dedicated transformer optimized for the DL-103. The thick, machined body is completely left and right, set the transformer, and you can enjoy a beautiful sound with a sense of transparency by combining it with direct wiring from the input terminal to the transformer body (Tamura Eiji) Maintenance information: 2023.11.11 Continuity confirmed Accessories: no accessories Main specifications: MC transformer boost ratio 1:10, suitable impedance 3 to 40 ohms, dimensions W135 x H52 x D102 mm, body weight 1.3 kg

XG-5Japan

This item has been sold.You can't purchase now. 23-40874-23152-00
XG-5
Manufacture:FR
Original price: JPY 49,000
Price: JPY 45,273 Sold Out
Japan 1983 made
Shop: Osu shop
Arrival: 2023-11-08 20:11:07
description
FR's popular MC transformer is in stock for the first time in a long time. It is a high cost performance boost transformer representing the heyday of analog, that is both delicate and thick. As for the exterior, there are scratches on the corners. Serial 140949 (Kimiya Miura) Maintenance information: 2023.11.8 operation confirmed Accessories: no accessories Main specifications: MC switchable, LOW to 3Ω, MID3Ω to 18Ω, HIGH, 18-40Ω, with PASS switcher. Boost Ratio Low33dB, MID26dB High22dB Playback Frequency Range 10 to 50,000 Hz 1.1 kg

No.6600Denmark

This item has been sold.You can't purchase now. 23-40841-22905-00
No.6600
Manufacture:JS
Original price: JPY 25,000
Price: JPY 90,727 Sold Out
Denmark
Arrival: 2023-11-04 20:09:38
description
A must-see item for SPU fans. It is a model loaded with 2 Type0.32m/No.6600 JS transformers, and the characteristics of the Ortofon/SPU series are brought out to the fullest, and the depiction of thickness and stickiness and vividness is superb. The exterior has small scratches and paint peeling (Yonejima Satoshi) Maintenance information: 2023.11.4 operation confirmed Accessories: no accessories Main specifications: boost ratio 31 times primary impedance 1.5 /second order impedance 1.5 kΩ, dimensions W90 x H65 x D 80 mm, weight approx. 400 g

16187-QU.S.A

This item has been sold.You can't purchase now. 23-40646-21363-00
16187-Q
Manufacture:ALTEC
Price: JPY 116,364 Sold Out
U.S.A
Arrival: 2023-11-02 20:32:21
description
Altec MC boost transformer. It is equipped with a rare Altec 16187-Q transformer and is compatible with most MC cartridges. You can enjoy the afterglow of the music with a thick, thick sound. The exterior has rust spots and stains (Tamura Eiji) Maintenance information: 2023.11.2 operation confirmed Accessories: none Main specifications: LOW: LOW to 30Ω HIGH: 30 to 250Ω W185 ✕ H125 ✕ D130mm Weight 2.2 kg

TKS-27

This item has been sold.You can't purchase now. 23-40776-22400-00
TKS-27
Manufacture:TAMRA
Price: JPY 40,909 Sold Out
Shop: Osu shop
Arrival: 2023-10-31 20:03:23
description
※This item is currently sold. A step-up transformer with a TKS-27 casing. It has a high-resolution tone and seems to be compatible with DL-103, etc. (Oikawa Tetsuji) Maintenance information: 2023.10.31 Operation confirmed Accessories: none Main specifications: W133 x H114 x D120 mm 0.8 kg (actual measurement)

4722U.S.A

This item has been sold.You can't purchase now. 23-40778-22421-00
4722
Manufacture:PEEALESS
Price: JPY 50,000 Sold Out
U.S.A
Arrival: 2023-10-26 19:49:22
description
MC boost transformer cased with the popular microphone transformer 4722 (commonly known as Mint Candy) equipped with an ALTEC 1567A mixing amplifier. The thickness and power of the sound, and the exquisite sense of tone are also popular gems. There is a feeling of use such as appearance, dullness, paint peeling, writing, etc. (Kobayashi Hitoshi) Maintenance information: 2023.10.24 Operation confirmed Accessories: none Main specifications: size W95 x H95 x D130 mm, weight 533 g

昇圧トランス

This item has been sold.You can't purchase now. 19-25123-67154-00
昇圧トランス
Manufacture:自作
Price: JPY 9,091 Sold Out
Arrival: 2023-10-22 19:54:34
description
The details are unknown, but it seems that the SPU transformer was built into the self-made box. It is compact, easy to use, and can be fully used as a booster transformer. The exterior has a feeling of use such as loss of lettering or dullness (Asahina Satoshi Law) Maintenance information: 2023.10.22 Operation confirmed Accessories: none

AU-305Japan

This item has been sold.You can't purchase now. 23-40245-18158-00
AU-305
Manufacture:DENON
Original price: JPY 29,000
Price: JPY 18,000 Sold Out
Japan 1978 made
Arrival: 2023-08-30 19:47:36
description
*Currently sold. 15th anniversary limited edition model of the famous DL-103 cartridge. It is a booster transformer that was sold as a set as a DL-103 T2 at the time, and it has a solid, thick sound. There is a slight feeling of use (Takasaki Atsushi) Maintenance information: 2023.8.29 Operation confirmed Accessories: none Main specifications: frequency band 20 Hz to 70 kHz 40 ohms crosstalk 60 dB or more W92 x H55 x D145 mm 720 g

HA-T30Japan

This item has been sold.You can't purchase now. 23-40699-21789-00
HA-T30
Manufacture:SONY
Original price: JPY 15,000
Price: JPY 31,636(pair)Sold Out
Japan 1983 made
Shop: Osu shop
Arrival: 2023-10-17 19:39:13
description
*Currently sold. A convenient booster transformer that allows you to enjoy MC cartridges simply by attaching it to the amplifier's phono MM input terminal. Oxygen-free copper wire is used for the coil. Matches 30 ohm to 40 ohm cartridges. There is a slight feeling of use (Kanai Hidetsugu) Maintenance information: 2023.10.17 sound output confirmed Accessories: none Main specifications: W13 × H13 × D55 mm 

U-BROS-5 Type HJapan

This item has been sold.You can't purchase now. 23-40672-21598-00
U-BROS-5 Type H
Manufacture:UESUGI
Original price: JPY 88,000
Price: JPY 54,364 Sold Out
Japan 1979 made
Shop: Osu shop
Arrival: 2023-10-17 19:39:38
description
MC boost transformer loaded with transformers developed jointly with Tamura for high impedance. Adopts a completely independent left and right structure, including the earth system. It matches Denon's DL-103, etc. There is a feeling of use, such as appearance, dullness, paint peeling, etc. (Kobayashi Hitoshi) Maintenance information: 2023.10.15 Operation confirmed Accessories: instruction manual Main specifications: primary impedance 40 ohms secondary impedance 4 kΩ boost ratio 10 times W174 x H125 x D121 mm 2.5 kg

AU-300LCJapan

This item has been sold.You can't purchase now. 23-40588-20886-00
AU-300LC
Manufacture:DENON
Original price: JPY 20,000
Price: JPY 14,364 Sold Out
Japan 1986 made
Shop: Osu shop
Arrival: 2023-10-08 19:44:22
description
*Currently sold. The final model of the DENON boost transformer using all LC-OFC lines. Small and reasonable, yet clear sound with high S/N. It is a versatile type that is compatible with a variety of 3 to 40 ohm cartridges. There are scratches on the exterior (Miura Kimiya) Maintenance information: 2023.10.8 Operation confirmed Accessories: no accessories Main specifications: All LC-OFC lines are used, LR independent permalloy, double shielded, compatible cartridge, impedance, impedance, 3 to 40 ohms, boost ratio 1:10, connection cord, 40 mm, frequency characteristics, 20 Hz to 50 kHz, W50 x H37 x D110 mm, 260 g

AU-300LCJapan

This item has been sold.You can't purchase now. 23-40438-19962-00
AU-300LC
Manufacture:DENON
Original price: JPY 20,000
Price: JPY 14,364 Sold Out
Japan
Arrival: 2023-09-24 20:01:05
description
*Currently sold. It has been modified to RCA terminal specifications. The final model of the DENON boost transformer using all LC-OFC lines. Small and reasonable, yet clear sound with high S/N. It is a versatile type that is compatible with a variety of 3 to 40 ohm cartridges. The exterior is dull and has small scratches (Satoshi Yonejima) Maintenance information: 2023.9.24 Operation confirmed Accessories: no accessories Main specifications: All LC-OFC lines are used, LR independent permalloy, double shielded, compatible cartridge, impedance, impedance, 3 to 40 ohms, boost ratio 1:10, connection cord, 40 mm, frequency characteristics, 20 Hz to 50 kHz, W50 x H37 x D110 mm, 260 g

411 TYPE2Japan

This item has been sold.You can't purchase now. 23-40407-19592-00
411 TYPE2
Manufacture:SHELTER
Original price: JPY 98,000
Price: JPY 40,909 Sold Out
Japan 1996 made
Shop: Osu shop
Arrival: 2023-09-23 20:25:42
description
This is the perfect boost transformer to combine with all Shelter MC phono cartridges. It boosts the music signal from the MC phono cartridge without adding extra color. As for the exterior, there are no noticeable scratches. Serial 4549 (Tamura Eiji) Maintenance information: 2023.9.23 Operation confirmed Accessories: instruction manual, original box Main specifications: input impedance 15 ohms or less (maximum 25 ohms) output impedance 47 KΩ boost ratio 32 dB W142 x H66 x D106 mm 1 kg

STA-88Denmark

This item has been sold.You can't purchase now. 23-40397-19503-00
STA-88
Manufacture:ortofon
Original price: JPY 19,900
Price: JPY 22,545 Sold Out
Denmark 1978 made
Arrival: 2023-09-26 19:53:44
description
※It is inexpensive because it is in poor condition, such as rust floating. Ortofon's small step-up transformer. It has a simple structure, but you can enjoy the thick, rich tone typical of an orthophone. The exterior has rust, scratches, and peeling. Also, the cable has been changed. There are no rubber feet on the bottom. (MIURA Kimiya) Maintenance information: 2023.9.26 Operation confirmed Accessories: no accessories Main specifications: Boost ratio 1:40 with direct transfer switch Dimensions W81 x H43 x D130 mm Weight 490 g

TH-7834mk2UK

This item has been sold.You can't purchase now. 23-40374-19275-00
TH-7834mk2
Manufacture:PARTRIDGE
Original price: JPY 128,000
Price: JPY 216,364 Sold Out
UK 1985 made
Shop: Osu shop
Arrival: 2023-09-13 20:10:30
description
A popular model! A masterpiece booster transformer made by Partridge in England with a beautiful hammertone finish. The sound with good sound loss and realism is attractive. In addition to switching impedance, it is a popular booster transformer that also shines with its ease of use, and has 2 input systems. There are line marks on the sides, but the others are pretty beautiful (Fujisawa Yukishi) Maintenance information: 2023.9.13 Operation confirmed Accessories: original box Main specifications: 2 input systems LOW (7.5 Ω) /HIGH (30 Ω) /PASS switching W150 × H108 × D130 mm 1.7 kg (actual measurement, including protrusions)

FRT-3Japan

This item has been sold.You can't purchase now. 23-39417-11406-00
FRT-3
Manufacture:FR
Original price: JPY 20,500
Price: JPY 18,000 Sold Out
Japan 1978 made
Arrival: 2023-06-02 20:04:33
description
*Currently sold. FR MC boost transformer using a toroidal core. The characteristics of the cartridges are easy to understand, creating a natural sound. In addition to switching between 10 and 30 ohms of impedance, there is also a bypass position, so it is compatible with various cartridges without taking up much space. The RCA plug was replaced with an external product, and there is a feeling of use such as small scratches, dullness, etc. (Takasaki Atsushi) Maintenance information: 2023.6.2 sound output confirmed Accessories: none Main specifications: impedance 10ω/30ω/PASS playback frequency band 20Hz to 30kHz W64 x H64 x D105 mm approx. 455g

T-20Denmark

This item has been sold.You can't purchase now. 23-40243-18150-00
T-20
Manufacture:ortofon
Original price: JPY 48,000
Price: JPY 31,636 Sold Out
Denmark 1980 made
Shop: Osu shop
Arrival: 2023-08-29 20:08:05
description
It is an MC boost transformer for low impedance that is ideal for MC20, etc. with low output. It can also be matched to SPUs, etc. The thick mid-range is excellent to listen to. The input/output is 1 system, but since it can be bypassed, it is a convenient design that can be used by switching between both MM/MC (Fujisawa Yukishi) Maintenance information: 2023.8.29 Operation confirmed Accessories: none Main specifications: boost ratio 32 dB (3 ohms), primary impedance, 2 to 4 ohms, toroidal transformer external dimensions W80 x H40 x D130 mm, dead weight 600 g

T-2000Denmark

This item has been sold.You can't purchase now. 23-39718-13716-00
T-2000
Manufacture:ortofon
Original price: JPY 150,000
Price: JPY 134,545 Sold Out
Denmark 1982 made
Arrival: 2023-09-05 20:05:11
description
High-end step-up transformer designed to match the reference cartridge, MC2000. Furthermore, it continues with the T-3000, T-5000, and T-7000 at the top, but it feels good that this T-2000 is thick in the midrange and has a strong, heated tone. The exterior is dull (Kimiya Miura) Maintenance information: 2023.9.5 Operation confirmed Accessories: no accessories Main specifications: primary impedance 3Ω toroidal core adopted size W80 ✕ H58 ✕ D180mm, weight 3.5 kg

AU-320Japan

This item has been sold.You can't purchase now. 23-89023-18834-00
AU-320
Manufacture:DENON
Original price: JPY 19,800
Price: JPY 31,818 Sold Out
Japan 1971 made
Arrival: 2023-09-07 19:58:35
description
A classic MC boost transformer. You can freely enjoy various cartridges and tone arms with 2 input systems, 3.40 ohms switchable impedance, and a PASS line. The exterior is dull, there is a feeling of use such as small scratches (Kimiya Miura) Maintenance information: 2023.9.7 Operation confirmed Accessories: no accessories Main specifications: MC boost transformer input, 2 systems switchable, primary impedance, 40 ohm/3 ohm, switching, secondary impedance, 4 kΩ, boost ratio 1:10, frequency characteristics, 10 Hz to 100 kHz, W97 x H65 x D155 mm, 800 g

ET-100Japan

This item has been sold.You can't purchase now. 23-40113-17011-00
ET-100
Manufacture:entre
Original price: JPY 48,000
Price: JPY 36,182 Sold Out
Japan 1977 made
Arrival: 2023-09-03 19:37:04
description
Maintained. An easy-to-use entray boost transformer with 3 inputs and 3 different impedances to select from in addition to PASS. It is simple and carefully made, has a good balance and precise sound quality, and lifts it honestly and firmly. The exterior is dull, has abrasions, etc. (Kobayashi Hitoshi) Maintenance information: 2023.9.3 Maintained (input switching, mode switching switch contact cleaning, oxidation prevention treatment. Input/output pin jack ground surface polishing. (Input/output terminal function test, Gnd switching, transformer function confirmation, other operation confirmed) Accessories: none Main specifications: primary impedance 3/10/40 ohms, switching bypass, input possible, 3 lines, W130 x H70 x D186 mm, 2 kg

STM-72Denmark

This item has been sold.You can't purchase now. 23-39420-11439-00
STM-72
Manufacture:ortofon
Original price: JPY 13,000
Price: JPY 27,091 Sold Out
Denmark
Arrival: 2023-06-10 20:04:04
description
The price has been drastically reduced. 2023/6/10 sales price 35,000 yen MC boost transformer optimized for SPU. The sound that is only slightly distorted with a small transformer embodies superb music reproduction by connecting the SPU. There are small wounds and dullness (Oikawa Tetsuji) Maintenance information: 2023.6.10 Operation confirmed Accessories: none Main specifications: input impedance 2 ohms to 3 ohms boost ratio 60 times weight 70 g

411 TYPE2Japan

This item has been sold.You can't purchase now. 23-40243-18151-00
411 TYPE2
Manufacture:SHELTER
Original price: JPY 98,000
Price: JPY 40,909 Sold Out
Japan 1996 made
Shop: Osu shop
Arrival: 2023-08-29 20:08:39
description
This is the perfect boost transformer to combine with all Shelter MC phono cartridges. It boosts the music signal from the MC phono cartridge without adding extra color. There is a blow on the upper front (Fujisawa Yukishi) Maintenance information: 2023.8.29 Operation confirmed Accessories: none Main specifications: input impedance 15 ohms or less (maximum 25 ohms) output impedance 47 KΩ boost ratio 32 dB W142 x H66 x D106 mm 1 kg
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