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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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VT-62/801A/50SE tube amplifier special made 117V input pure class A1
  • NEW

VT-62/801A/50SE tube amplifier special made 117V input pure class A1

Special amplifier using with both VT-62 and 50 tube. Walnut case with 3mm thick of top cooper plate. It took me 3 years for designing the schematic. Prestage is 12AY7(12AT7), driving tube is 12BH7A.


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300B stereo tube amplifier class A1, 9W output
  • NEW

300B stereo tube amplifier class A1, 9W output

It is stereo SE amplifie using 300B tube as power tube. Output is 9W. Walnut wooden case with top class parts.


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211 SE tube amplifier input volt 100V-240V, output 18W power
  • NEW

211 SE tube amplifier input volt 100V-240V, output 18W power

211 SE tube amplifier with output 18W. All transformers are special order made from ISO (TANGO). Input volt is 117V. Prestage is 12AT7, secondary tube is 5687. Rectifier tube 5U4G, GZ34, 5AR4, 5R4GW.


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71A PP stereo tube amp with LUXMAN output transformer 100~117V input
  • NEW
  • Recommendation

71A PP stereo tube amp with LUXMAN output transformer 100~117V input

Sales price: $ 1,300(Listing price is for payment via Paypal, discount 2% if payment via bank transfer)
Very very rare 71A PP stereo tube amplifier, using LUXMAN output transformer. Output 4W class A.
This product is currently sold out.

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300B stereo tube amplifier class A1, 9W output
  • NEW

300B stereo tube amplifier class A1, 9W output

It is stereo SE amplifie using 300B tube as power tube. Output is 9W. Walnut wooden case with top class parts.


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45 PSE tube amplifier with special order made X series transformer and walnut case
  • NEW
  • Recommendation

45 PSE tube amplifier with special order made X series transformer and walnut case

This is 45PSE tube amp (can be used with 2A3), special order made with all ISO (TANGO) transformers. It is the best 45 PSE tube amp I have made.


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VT-62/801A/50SE tube amplifier special made 117V input pure class A1
  • NEW

VT-62/801A/50SE tube amplifier special made 117V input pure class A1

Sales price: $ 2,600(Listing price is for payment via Paypal, discount 2% if payment via bank transfer)
Special amplifier using with both VT-62 and 50 tube. Walnut case with 3mm thick of top cooper plate. It took me 3 years for designing the schematic. Prestage is 12AY7(12AT7), driving tube is 5687.
This product is currently sold out.

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42 SE tube amplifier with Western electric output transformer, Bluetooth receiver embedded
  • Recommendation

42 SE tube amplifier with Western electric output transformer, Bluetooth receiver embedded

Sales price: $ 1,150(Listing price is for payment via Paypal, discount 2% if payment via bank transfer)
42 tube amplifier with max 2W of power. Can be used as preamplifier. OPT is Western Electric S-1005. Wiring is 40s year Western Electric.
This product is currently sold out.

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45 tube preamp (power amp) mono block x 2
  • NEW
  • Recommendation

45 tube preamp (power amp) mono block x 2

Tube preamplifier use 45 tube as output tube, output impedance is 16ohm


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45/2A3 SE tube amplifier amp
  • NEW
  • Recommendation

45/2A3 SE tube amplifier amp

45/2A3 tube amplifier with drive tube is 717A. Output is 3-5W. Can be ordered to change tube to 300B, PX-4, PX-25. Prestage tube can be changed to 6SJ7, 5963 without modification.


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Special made "The Tesseract" 71A PP tube amp with Amorphous OPT transformer
  • NEW
  • Recommendation

Special made "The Tesseract" 71A PP tube amp with Amorphous OPT transformer

Sales price: $ 1,400(Listing price is for payment via Paypal, discount 2% if payment via bank transfer)
Special made amplifier using 71A tube and output transformer with Amorphous core. Amplfier is push pull with 71A tube, rectifier is 80 tube and prestage tube is ECC83. Input 117V.
This product is currently sold out.

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45PP stereo tube amp with Hirata TANGO output transformer * 117V input
  • Recommendation
  • Limited edition

45PP stereo tube amp with Hirata TANGO output transformer * 117V input

Sales price: $ 1,500(Listing price is for payment via Paypal, discount 2% if payment via bank transfer)
Extra rare 45 tube amplifier, working in class A1 push pull. Output transformer is Luxman OY series. Output is 7W class A.
This product is currently sold out.

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45 SE tube amplifier/preamp/buffer amp driving tube 717A
  • NEW
  • Recommendation

45 SE tube amplifier/preamp/buffer amp driving tube 717A

45 tube amplifier with all ISO (TANGO) transformer, drive tube is 717A. Output is 2W


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THE Zeus 833A Mk2 tube amplifier monoblock x 2 * 300B drive * 50W
  • NEW

THE Zeus 833A Mk2 tube amplifier monoblock x 2 * 300B drive * 50W

This is upgrade version from The Zeus 833A that using 211 tube as drive tube. Drive tube change to 300B, to make sound more musical and clear in middle range.


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46/47 SE tube amplifier with Western electric output transformer, Bluetooth receiver embedded
  • Recommendation

46/47 SE tube amplifier with Western electric output transformer, Bluetooth receiver embedded

Sales price: $ 1,250(Listing price is for payment via Paypal, discount 2% if payment via bank transfer)
47 tube amplifier with max 2W of power. Can be used as preamplifier. OPT is Western Electric, choke is TRIAD. Wiring is 40s year Western Electric. Due to lack of TRIAD and WE transformer, only one !
This product is currently sold out.

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45PP stereo tube amp with LUXMAN output transformer * 117V input
  • Recommendation
  • Limited edition

45PP stereo tube amp with LUXMAN output transformer * 117V input

Sales price: $ 1,500(Listing price is for payment via Paypal, discount 2% if payment via bank transfer)
Extra rare 45 tube amplifier, working in class A1 push pull. Output transformer is Luxman OY series. Output is 7W class A.
This product is currently sold out.

View product details»
By price   Recent   Items displayed
◀◀ 61 62 63 64 65 66 67 ►►