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You can order input voltage 117V, 220V, 230V, 240V.

I dont open information about schematic, parts, transformer using in my amplifier. My brand name is the guarantee to what I do with my production !!!

For all item on eBay, I will discount 10% or more of listing price, contact for more detail.

YouTube channel > Otomon Lab YouTube Channel

Audio Transformers


Total 316 Items.
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Extra RARE Early Jorgen Schou JS No 6213 step up transformer for SPU, EMT, Koestu vv..vv

Extra RARE Early Jorgen Schou JS No 6213 step up transformer for SPU, EMT, Koestu vv..vv

Sales price: $ 1,450(Listing price is for payment via Paypal, discount 2% if payment via bank transfer)
This is very very rare step up transformer manufactured in 50 year, primary impedance is 20ohm, secondary is 30K ohm. Perfect matching for SPU, EMT, Koetsu cartridge.


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50s year Western Electric　633K line, input transformer step up ratio 1:1.5

50s year Western Electric　633K line, input transformer step up ratio 1:1.5

Very very rare input, step up transformer manufactured by Western Electric in 50s years. Perfect and beautiful sound.
This product is currently sold out.

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CD->RIAA converter, let your CD sound become LP sound, TAMURA OPT transformer

CD->RIAA converter, let your CD sound become LP sound, TAMURA OPT transformer

This used Tamura output transformer to convert CD signal as well as digital resource as iPhone, iPad sound to RIAA standard curve. Just connect RIAA out to MM phono stage and let it play as LP
This product is currently sold out.

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60s year Western Electric　282A line, step up transformer step up ratio 1:20

60s year Western Electric　282A line, step up transformer step up ratio 1:20

Very very rare input, step up transformer manufactured by Western Electric in 50s years. Perfect and killer sound.
This product is currently sold out.

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Klangfilm T-41/15c step up transformer for EMT, Denon, Koetsu cartridges

Klangfilm T-41/15c step up transformer for EMT, Denon, Koetsu cartridges

This is very very rare step up transformer manufactured in 50 year, perfect matching for SPU, Koetsu cartridges. Step up ratio is 1:13. Best matching for EMT, Denon DL-103.
This product is currently sold out.

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60s year Western Electric　282A line, step up transformer step up ratio 1:20

60s year Western Electric　282A line, step up transformer step up ratio 1:20

Very very rare input, step up transformer manufactured by Western Electric in 50s years. Perfect and killer sound.
This product is currently sold out.

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50s year Western Electric　282A line, step up transformer step up ratio 1:20

50s year Western Electric　282A line, step up transformer step up ratio 1:20

Very very rare input, step up transformer manufactured by Western Electric in 50s years. Perfect and killer sound.
This product is currently sold out.

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50s year HAUFE/NEUMANN T-172 input, CD line transformer, DAC trans

50s year HAUFE/NEUMANN T-172 input, CD line transformer, DAC trans

Very very rare input, CD transformer manufactured by Haufe/Neumann, model T-172. Step up ratio is 1:1 or 1:2 selectable.
This product is currently sold out.

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Extra RARE Early Jorgen Schou JS No 1290 line input or step up transformer for SPU, Denon

Extra RARE Early Jorgen Schou JS No 1290 line input or step up transformer for SPU, Denon

This is very very rare step up transformer manufactured in 50 year, primary impedance is 50-250-500ohm, secondary is 100K ohm. You can use it as line transformer as well as MC step up transformer
This product is currently sold out.

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50s year JOrgen Schou no 592/21 input, CD line transformer, DAC trans

50s year JOrgen Schou no 592/21 input, CD line transformer, DAC trans

Very very rare input, CD transformer manufactured by Jorge Schou (JS) . Step up ratio is 1:1.5.
This product is currently sold out.

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CD->RIAA converter, let your CD sound become LP sound, ALTEC/PEERLESS No 15280

CD->RIAA converter, let your CD sound become LP sound, ALTEC/PEERLESS No 15280

This used Peerless output transformer to convert CD signal as well as digital resource as iPhone, iPad sound to RIAA standard curve. Just connect RIAA out to MM phono stage and let it play as recor
This product is currently sold out.

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50s year HAUFE/NEUMANN K-375/1 input, CD line transformer, DAC trans

50s year HAUFE/NEUMANN K-375/1 input, CD line transformer, DAC trans

Very very rare input, CD transformer manufactured by Haufe/Neumann. Step up ratio is 1:3.
This product is currently sold out.

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CD->RIAA converter, let your CD sound become LP sound, TAMURA OPT

CD->RIAA converter, let your CD sound become LP sound, TAMURA OPT

This used TAMURA output transformer to convert CD signal as well as digital resource as iPhone, iPad sound to RIAA standard curve. You just connect RIAA out to MM phono stage and let it play as LP
This product is currently sold out.

View product details»
CD->RIAA converter, let your CD sound become LP sound, TAMURA OPT

CD->RIAA converter, let your CD sound become LP sound, TAMURA OPT

This used TAMURA output transformer to convert CD signal as well as digital resource as iPhone, iPad sound to RIAA standard curve. You just connect RIAA out to MM phono stage and let it play as LP
This product is currently sold out.

View product details»
50s year HAUFE/NEUMANN T-4344 input, CD line transformer, DAC trans

50s year HAUFE/NEUMANN T-4344 input, CD line transformer, DAC trans

Very very rare input, CD transformer manufactured by Haufe/Neumann. Step up ratio is 1:2. Input impedance is 600ohm.
This product is currently sold out.

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CD->RIAA converter, let your CD sound become LP sound, TAMURA OPT

CD->RIAA converter, let your CD sound become LP sound, TAMURA OPT

This used TAMURA output transformer to convert CD signal as well as digital resource as iPhone, iPad sound to RIAA standard curve. You just connect RIAA out to MM phono stage and let it play as LP
This product is currently sold out.

View product details»
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