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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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211 drive 211 tube amplifier monoblock x 2 * TANGO X-10S, NC-20F
  • NEW

211 drive 211 tube amplifier monoblock x 2 * TANGO X-10S, NC-20F

Special order made amplifier, using 211 as drive tube for 211. Interstage transformer is NC-20F. Prestage is EF-37 or 6J7G. 117V, 230V version is available !!! Perfect sound !!!


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Western Electric 91A type 300B SE stereo tube amplifier class A1 with All LUX transformer

Western Electric 91A type 300B SE stereo tube amplifier class A1 with All LUX transformer

Sales price: $ 2,850(Listing price is for payment via Paypal, discount 2% if payment via bank transfer)
It is mono block amplifier x 2, western Electric 91A type, prestage is 310A drive 300B tube. Transformer are Hirata TANGO and Luxman.
This product is currently sold out.

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Western Electric 91B type PX25 SE stereo tube amplifier class A1 with All Tamura transformer

Western Electric 91B type PX25 SE stereo tube amplifier class A1 with All Tamura transformer

Sales price: $ 3,500(Listing price is for payment via Paypal, discount 2% if payment via bank transfer)
It is mono block amplifier x 2, western Electric 91B type, prestage is 310A, secondary stage is 310A, driven by interstage transformer Tamura B-5002. Tubes are not included.
This product is currently sold out.

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Special order made 300B Western We91 type EF-37/6J7 with gun metal chassis
  • Recommendation

Special order made 300B Western We91 type EF-37/6J7 with gun metal chassis

300B SE stereo tube amplifier Western WE91 with full gunmetal chassis. YOu can change drive tube from EF37 to 6J7 without any modification. Rectifier tube is 5U4/GZ-34/5AR4


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NOS Tone Factory, Vitamin Q 2A3/45 SE tube amplifier
  • NEW

NOS Tone Factory, Vitamin Q 2A3/45 SE tube amplifier

Sales price: $ 800(Listing price is for payment via Paypal, discount 2% if payment via bank transfer)
Tone Factory WALTS stereo tube amplifier. Power tube is 2A3/45. Driver tube is 6DJ8, rectifier is 5U4G. Tone Factory is brand name of Toich company, that make Vitamin Q, T-Cap condenser.
This product is currently sold out.

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Special order made 2A3/45 SE stereo tube amplifier with gunmetal chassis
  • Recommendation

Special order made 2A3/45 SE stereo tube amplifier with gunmetal chassis

Sales price: $ 1,000(Listing price is for payment via Paypal, discount 2% if payment via bank transfer)
2A3 SE stereo tube amplifier with full gunmetal chassis. Output transformer, choke transformer is Luxman, Power transformer is Hirata TANGO. You can change 2A3 with 45 tube by one switch.
This product is currently sold out.

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2A3PP tube amplifier for Tannoy autoghraph and Axiom speaker
  • Recommendation

2A3PP tube amplifier for Tannoy autoghraph and Axiom speaker

Sales price: $ 1,350(Listing price is for payment via Paypal, discount 2% if payment via bank transfer)
This amplifier was made for best result for using with Tannoy Autograph and AXIOM 80 speaker. Of course you can use with another speaker but TANNOY and AXIOM will bring best result. Tubes not included
This product is currently sold out.

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Valve World PX25 single end mono block x 2 * ALL TAMURA transformer

Good amp pickup ▶ Valve World PX25 single end mono block x 2 * ALL TAMURA transformer

This week I introduce to you another perfect amplifier that was made by Mr Tossie of Valve World Lab. PX-25, driven by VT-23 tube, using all TAMURA transformer


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300B PSE tube amplifier monoblock x 2 * ALL TANGO transformer
  • NEW

Good amp pickup ▶ 300B PSE tube amplifier monoblock x 2 * ALL TANGO transformer

Special order made amplifier, working as para single end, power tube 300B, driver tube EL-34 or KT-66. Chassis was made from cooper. Interstage transformer is the most powerful TANGO NC-20


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Uesugi Yoshiro 6B4G(2A3) PP tube amplifier for Tannoy autoghraph speaker
  • Recommendation

Uesugi Yoshiro 6B4G(2A3) PP tube amplifier for Tannoy autoghraph speaker

One of the best pushpull amplifier designed by the legend Uesugi Yoshiro. It used 2A3 tube as power tube, prestage is EF86, secondary is 76 tube driver 2A3 tube using interstage transformer.


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Valve World WE91B type 300B para single end mono block x 2 * ALL TANGO

Good amp pickup ▶ Valve World WE91B type 300B para single end mono block x 2 * ALL TANGO

This week I introduce to you another perfect amplifier that was made by Mr Tossie of Valve World Lab. This was made based on Western Electric 91B type with prestage is WE310A and secondary stage is 34


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Valve World 100th stereo tube amplifier dynamic coupling schematic * special order TANGO trans

Valve World 100th stereo tube amplifier dynamic coupling schematic * special order TANGO trans

Sales price: $ 4,980(Listing price is for payment via Paypal, discount 2% if payment via bank transfer)
Special order made based on Valve World amplifier schematic, dynamic coupling using driver tube 5998A. Output transformer is special order made, primarr can be handle current up to 250mA
This product is currently sold out.

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100th stereo tube amplifier Shishido IITC All Hirata TANGO XE-60-3SNF

100th stereo tube amplifier Shishido IITC All Hirata TANGO XE-60-3SNF

Sales price: $ 3,500(Listing price is for payment via Paypal, discount 2% if payment via bank transfer)
Special order made based on master Shishido schematic. All transformer are Hirata TANGO. Output transformer is orient high B cut core, model XE-60-3SFN same as X-3.5S.
This product is currently sold out.

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Firago Laboratory special order made 6B4G PP tube amplifier All Partridge transformer

Firago Laboratory special order made 6B4G PP tube amplifier All Partridge transformer

Sales price: $ 3,250(Listing price is for payment via Paypal, discount 2% if payment via bank transfer)
Special order made by Firago Laboratory in 90s years. All transformer are Partridges, very very rare and hard to be seen.
This product is currently sold out.

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Final Art Model 808 MkII stereo tube amplifier Shishido IITC special order transformer

Final Art Model 808 MkII stereo tube amplifier Shishido IITC special order transformer

Sales price: $ 4,600(Listing price is for payment via Paypal, discount 2% if payment via bank transfer)
Special order made based on master Shishido schematic. All transformer are special order made from Hirata TANGO. Output transformer is orient high B cut core, same as X-3.5S.
This product is currently sold out.

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71A drive 300B SE tube amplifier, Walnut wooden board
  • Recommendation

71A drive 300B SE tube amplifier, Walnut wooden board

It is very rare special order made amplifier with 50mm thick of Walnut wooden board. 71A drive 300B tube amplifier. Wooden board is unique, you can not choose wooden type or design for it.


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