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We can provide power transformer which use for 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 !!!

YouTube channel > Otomon Lab YouTube Channel

Preamplifiers


Total 81 Items.
  • NEW
  • Recommendation

C3g-71A tube pre-amplifier, Wenger wood case, voltage regulator 6DJ8-6V6

71A tube preamplifier with drive tube is C3g. Output tube can be changed to VT-25, VT-52, 45, 50 tube. Luxury Wenger wooden case.

Special order made 300B Preamp, buffer amplifier

Tube preamp with using 300B tube in output stage with Walnut case. 3 inputs and one output RCA.

Special order made preamp with Finemet transformer attenuators, 300B as regulator tubes

Special order made preamp using 12AY7 tubes, Finemet transformer attenuator. Power supply use 300B tube as regulator tube to get the best performance without being care to cost.
  • NEW
  • Recommendation

C3g-71A tube pre-amplifier, Wenger wood case, voltage regulator 7233-6V6

71A tube preamplifier with drive tube is C3g. Output tube can be changed to VT-25, VT-52, 45, 50 tube. Luxury Wenger wooden case.

Special order made 300B Preamp, LCR phono tube preamplifier

LCR tube preamp with using 300B tube in output stage. Phono is LCR block.
  • NEW

VT-52 tube SE preamp, drive tube REN0901// buffer amplifier

Special order made preamp, output VT52. VT52 is one of the best DHT mini watt tubes Input volt 230V. Driver tube is very rare REN901 tube.
  • NEW
  • Recommendation

45 tube pre-amplifier, driver tube C3g

Preamplifier using output tube 45, using oil con, all best part ever.
  • NEW
  • Recommendation

45 DAC tube amplifier using Philips TDA1541A

DAC decoder using Philips TDA1541A chip, output tube 45, using oil con, all best part ever.

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

Sales price: $ 2,600(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 16287. I dont change anything to original schematic, just add power supply for it. Wooden case is red oak wood.
This product is currently sold out.

50s year Langevin (Fairchild) 116B preamplifier matching pair with power supply

Sales price: $ 1,785(Listing price is for payment via Paypal, discount 2% if payment via bank transfer)
Extra rare Langevin 116B preamplifier, ordered from Faichild. Input is Langevin, output transformer is Langevin 313A.
This product is currently sold out.
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801/VT-62 tube SE preamp, buffer amplifier

Special order made preamp, output VT-62, can be used 801A. Input volt 230V. Driver tube is 396A/5670.
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801/VT-62 tube SE preamp, buffer amplifier

Special order made preamp, output VT-62, can be used 801A. Input volt 230V. Driver tube is 396A/5670.
  • NEW

801/VT-62 tube SE preamp, buffer amplifier

Special order made preamp, output VT-62, can be used 801A. Input volt 230V.
  • NEW
  • Recommendation

45 DAC tube amplifier using Philips TDA1541A

DAC decoder using Philips TDA1541A chip, output tube 45, using oil con, all best part ever.
  • NEW
  • Recommendation

DAC tube amplifier preamp (power amp)

DAC decoder using WE396A/42 tube for ouput, output transformer is Telefulken. Beautiful sound. Rectifier tube is 80 tube.
  • NEW
  • Recommendation

396A-45' push pull tube amplifier with all UTC transformer phono stage included * Only 1 was made !

Sales price: $ 2,650(Listing price is for payment via Paypal, discount 2% if payment via bank transfer)
45 push pull tube amplifier with all transformers are UTC, phono stage is included. Class A, output power is 7W. All tubes are included. Can be changed to use in 117V or 230V.
This product is currently sold out.