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We can provide power transformer which use for 117V, 220V, 230V, 240V.
YouTube channel > Otomon Lab YouTube Channel
I will give discount 10% or more for all item in my eBay listing, contact me for more detail

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Total 1267 Items.
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50s year Langevin 116B preamplifier matching pair with phono block * Perfect working

50s year Langevin 116B preamplifier matching pair with phono block * Perfect working

Sales price: $ 2,800(Listing price is for payment via Paypal, discount 2% if payment via bank transfer)
Extra rare Langevin 116B preamplifier, Input is TRIAD, output transformer is Langevin 313A. Phono block was added so you can use it for phono stage.
This product is currently sold out.

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50s year Langevin 116B preamplifier matching pair #4508 * Perfect working

50s year Langevin 116B preamplifier matching pair #4508 * Perfect working

Sales price: $ 1,785(Listing price is for payment via Paypal, discount 2% if payment via bank transfer)
Extra rare Langevin 116B preamplifier, Input is TRIAD, output transformer is Langevin 313A.
This product is currently sold out.

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310A Tube preamp with UTC output transfomer, output 600ohm
  • NEW

310A Tube preamp with UTC output transfomer, output 600ohm

Special order made pre line stage preamplifier. Using 310A, 12AU7 tube, output transformer is UTC, power transformer is vintage 50s year KENYON


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50s year Langevin 117A preamplifier * Perfect working

50s year Langevin 117A preamplifier * Perfect working

Sales price: $ 1,750(Listing price is for payment via Paypal, discount 2% if payment via bank transfer)
Extra rare Langevin 117A preamplifier, input transformer is TRIAD, output transformer is Langevin 113C. I dont change anything to original schematic, just add power supply for it.
This product is currently sold out.

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Tube preamp with UTC output transfomer, KENYON power transformer, output 600ohm
  • NEW

Tube preamp with UTC output transfomer, KENYON power transformer, output 600ohm

Special order made pre line stage preamplifier. Using 6DJ8 tube, output transformer is UTC, power transformer is vintage 50s year KENYON


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We396A-71A tube stereo headphone, line preamp, booster, amplifier with tone control

We396A-71A tube stereo headphone, line preamp, booster, amplifier with tone control

It is preamplifier (line stage) with 3 input and 2 output. One output is 6ohm, one using for (line) amplifier which has impedance 600ohm. Tone control function was add for bass and treble adjustment.


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WE396A tube stereo preamp, booster, amplifier * PHILIPS output transformer

WE396A tube stereo preamp, booster, amplifier * PHILIPS output transformer

Sales price: $ 850(Listing price is for payment via Paypal, discount 2% if payment via bank transfer)
It is preamplifier (line stage) with 3 input and 2 output. One output is 16ohm for speaker , one using for buffer (line) amplifier which has impedance 600ohm.
This product is currently sold out.

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WE396A tube stereo preamp, booster, amplifier * PHILIPS output transformer

WE396A tube stereo preamp, booster, amplifier * PHILIPS output transformer

Sales price: $ 800(Listing price is for payment via Paypal, discount 2% if payment via bank transfer)
It is preamplifier (line stage) with 3 input and 2 output. One output is 16ohm for speaker , one using for buffer (line) amplifier which has impedance 600ohm.
This product is currently sold out.

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We396A-71A tube stereo headphone, line preamp, booster, amplifier * TAMURA trans

We396A-71A tube stereo headphone, line preamp, booster, amplifier * TAMURA trans

Sales price: $ 1,100(Listing price is for payment via Paypal, discount 2% if payment via bank transfer)
It is preamplifier (line stage) with 3 input and 3 output. One output is 6ohm for speaker , one using for buffer (line) amplifier which has impedance 600ohm, and one for headphone.
This product is currently sold out.

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71A tube stereo preamp, booster, amplifier 77/78 tube drive * PHILIPS transformer 110/120/230V

71A tube stereo preamp, booster, amplifier 77/78 tube drive * PHILIPS transformer 110/120/230V

It is preamplifier (line stage) with 3 input and 2 output. One output is 16ohm for speaker , one using for buffer (line) amplifier which has impedance 600ohm.
This product is currently sold out.

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Langevin 116B preamplifier with LCR block for MM, MC cartridge * Perfect working

Langevin 116B preamplifier with LCR block for MM, MC cartridge * Perfect working

Extra rare Langevin 116B preamplifier, Input is 408B, output transformer is Langevin 313A. Due to request of customer, LCR block was added to use amp with record player.
This product is currently sold out.

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50s yearPeerless (Altec) A-428B LCR preamplifier for MC/MM cartridge

50s yearPeerless (Altec) A-428B LCR preamplifier for MC/MM cartridge

Extra rare Peerless A428B preamplifier, Input transformer is 4629, output transformer is 16287. Due to order from customer LCR block was add to use it as phono amplifier.
This product is currently sold out.

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Prototype 310A LCR amplifier with all Langevin transformers * for MM/MC cartridge 300B regulator

Prototype 310A LCR amplifier with all Langevin transformers * for MM/MC cartridge 300B regulator

Extra rare 310A LCR amplifier with all Langevin. This is used in my system and due of lacking transformer, it is impossible to make a same one. It used 300B tube for regulator electric volt.


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50s year Langevin 116B preamplifier matching pair * Perfect working

50s year Langevin 116B preamplifier matching pair * Perfect working

Sales price: $ 463(Listing price is for payment via Paypal, discount 2% if payment via bank transfer)
Extra rare Langevin 116B preamplifier, Input is 408B, output transformer is Langevin 313A. I dont change anything to original schematic, just add power supply for it.
This product is currently sold out.

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50s year Langevin 116B preamplifier output transformer for 6j7, 310A tube * VG++

50s year Langevin 116B preamplifier output transformer for 6j7, 310A tube * VG++

Sales price: $ 800(Listing price is for payment via Paypal, discount 2% if payment via bank transfer)
Extra rare Langevin 116B preamplifier 's output transformer. Original it was used for 6J7 tube, primary 16K ohm, secondary is 600ohm(150ohm), current is up to 10mA. Can be used for 310A too.
This product is currently sold out.

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50s yearPeerless (Altec) A-428B preamplifier 600:600ohm * VG+++

50s yearPeerless (Altec) A-428B preamplifier 600:600ohm * VG+++

Sales price: $ 2,250(Listing price is for payment via Paypal, discount 2% if payment via bank transfer)
Extra rare Peerless A428B preamplifier, Input transformer is 4629, output transformer is Langevin 16287. I dont change anything to original schematic, just add power supply for it.
This product is currently sold out.

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By price   Recent   Items displayed
◀◀ 56 57 58 59 60 61 62 ►►