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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

Audio amplifier


Total 523 Items.
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  • Only a few remaining
  • Recommendation
  • Limited edition

New TOICHI (TONE FACTORY) oil condenser * Made in JAPAN 50uF+50uF+10uF

Sales price: $ 385(Listing price is for payment via Paypal, discount 2% if payment via bank transfer)
The best oil condenser made by TOICHI, Japan. Perfect for any tube amplifier.

Blackgate condensers x 2 for audio mania 100uF+100uF/550V * Perfect for tube amplifier

Perfect matching blackgate condenser x 2 using for audio amplifier. It makes your amplifier sound quite different.
This product is currently sold out.

Enacom Line cord line noise cut filter

Connect the Line Cable ENACOM between your amplifier and each audio component and clean up the clutter.
This product is currently sold out.
  • NEW

MM phono preamp using 396A tubes

Tube phono stage preamplifier. Using 396A tube for phono stage and output stage is 396A,. for MM catridges.Price for this one is 1200USD, input voltage is 100, 117, 230V.
  • NEW

VT-52 tube SE amplifier stereo, driver tube 71A, 101D

VT-52 power amplifier, driver tube 71A, can be used 101D without modify or adjustment. Output power is 4.5W(8 ohm ) or 8.5W(16ohm). very beautiful and rich sound.
This product is currently sold out.
  • NEW
  • Recommendation

[ONLY ONE] Tube preamp with phono stage with 30s year Thordarson output transformers

Sales price: $ 2,850(Listing price is for payment via Paypal, discount 2% if payment via bank transfer)
Only one was made. Preamp with phono amp stage, output transformer is Extra rare 30s year Thordarson output transformers. Sound is nearly same as Western style sound.
  • NEW

MM phono preamp CR type with NP-216 ouput transformer * ALL tubes are 396A, 6V6 tube for regulation

Special order made phono stage preamplifier. Using We396A, 5670 in phono stage and output stage. Highest quality parts was used for the best sound ever.
  • NEW

MM phono preamp using C3g tube with seperated power supply

Special order made phono stage preamplifier. Using D3a tube for phono stage with separated power supply. for MM catridges. You can order to use C3g tube or many other tube.
  • NEW

WE396A MM, phono preamp with seperated power supply

Special order made phono stage preamplifier. Using We396A for phono stage with separated power supply.
  • NEW

MM phono preamp using 396A tube with seperated power supply, multi phono curve selector

Special order made phono stage preamplifier. Using 396A tube for phono stage with separated power supply. for MM catridges. There are 6 selectors for phono curve help you use all kind of vinyls.
  • NEW

10Y/VT-62 tube SE preamp, buffer amplifier

Special order made preamp, can be use both VT-62 and VT-25A, 10Y and 801A. No prestage tube was used, only VT62 to get pure sound of VT62.
  • Recommendation

Ampex 6445 preamp with phono stage output transformer

Special phono stage preamplifier Ampex, model 6445, phono stage using 12AX7 tube. Power supply use 6V6, 6DJ8 for regulator.
This product is currently sold out.
  • 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

MM phono preamp using C3g tube with seperated power supply

Special order made phono stage preamplifier. Using D3a tube for phono stage with separated power supply. for MM catridges. You can order to use C3g tube or many other tube.
  • NEW

MM phono preamp using D3a tube with seperated power supply

Special order made phono stage preamplifier. Using D3a tube for phono stage with separated power supply. for MM catridges. You can order to use C3g tube or many other tube.
  • NEW

MM phono preamp using D3a tube with seperated power supply

Special order made phono stage preamplifier. Using D3a tube for phono stage with separated power supply. for MM catridges. You can order to use C3g tube or many other tube.