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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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◀◀ 65 66 67 68 69 70 71 ►►
PX25/PX-4 SE stereo tube amplifier class A1

PX25/PX-4 SE stereo tube amplifier class A1

It is stereo SE amplifie using PX-25 tube as power tube. Output is 10W. Power tube can be changed PX4 to PX25 without any modification.


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717A 71A SE tube amplifier special order made for high sensitive speaker system
  • NEW
  • Recommendation

717A 71A SE tube amplifier special order made for high sensitive speaker system

71A tube amplifier with Western Electric output transformer, drive tube is Western 717A. Output is 1W.


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45 SE tube amplifier with driving tube 717A
  • NEW
  • Recommendation

45 SE tube amplifier with driving tube 717A

45 tube amplifier with drive tube is 717A. Output is 3W. Customer can make choice for transformer set inside the amp.


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211 drive 211 tube amplifier monoblock x 2
  • NEW

211 drive 211 tube amplifier monoblock x 2

Special order made amplifier, using 211 as drive tube for 211. Interstage transformer is NC-20F. Prestage is 717A. 117V, 230V version is available !!! Perfect sound !!!


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42 SE tube amplifier with　Sachsenwerk transformer driving tube 717A
  • Recommendation

42 SE tube amplifier with　Sachsenwerk transformer driving tube 717A

Sales price: $ 850(Listing price is for payment via Paypal, discount 2% if payment via bank transfer)
42 tube amplifier with drive tube is 717A. Output is 2W. Can be used as headphone amp.
This product is currently sold out.

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46 SE tube amplifier with　Sachsenwerk transformer driving tube 717A
  • Recommendation

46 SE tube amplifier with　Sachsenwerk transformer driving tube 717A

Sales price: $ 980(Listing price is for payment via Paypal, discount 2% if payment via bank transfer)
46 tube amplifier with drive tube is 717A. Output is 2W. Can be used as headphone amp.
This product is currently sold out.

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211 PSE tube amplifier
  • NEW

211 PSE tube amplifier

Special order made amplifier, using 211 single end Parallel connection of 2 x 211 tube in one channel. Output is about 35W per channel, it can drive any speaker with excellent sound.


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EXRARE Telefulken/Malotki CD line transformer 1:15
  • NEW
  • Recommendation

EXRARE Telefulken/Malotki CD line transformer 1:15

Sales price: $ 850(Listing price is for payment via Paypal, discount 2% if payment via bank transfer)
Very very rare line CD tranformer manufactured by Telefulken/Malotki in 50s year. Perfect sound with rich mid low range, wide sound space and analog sound.
This product is currently sold out.

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46 SE tube amplifier with all 　Sachsenwerk transformer driving tube 717A
  • Recommendation

46 SE tube amplifier with all 　Sachsenwerk transformer driving tube 717A

Sales price: $ 850(Listing price is for payment via Paypal, discount 2% if payment via bank transfer)
46 tube amplifier with drive tube is 717A. Output is 2W. Can be used as headphone amp.
This product is currently sold out.

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

45 SE tube amplifier/headhphone amp driving tube 717A

45 tube amplifier with drive tube is 717A. Output is 2W. Can be used as headphone amp.


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808 SE tube amplifier with all special order made Hirata TANGO transformer

808 SE tube amplifier with all special order made Hirata TANGO 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. Chassis is stainless steel
This product is currently sold out.

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6C33C SE mono block x2 tube amplifier with EL-34 drive tube
  • NEW
  • Recommendation

6C33C SE mono block x2 tube amplifier with EL-34 drive tube

6C33C is tube using in Soviet battle tank. It was used in mono block amp


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717A 45/2A3 SE tube amplifier special order made for high sensitive speaker system
  • NEW
  • Recommendation

717A 45/2A3 SE tube amplifier special order made for high sensitive speaker system

2A3/45 tube amplifier with all ISO (TANGO) transformer, drive tube is Western WE396A. Output is 2W (3W with 2A3). Can be changed between 2A3 and 45 tube.


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30s YEAR Western Electric interstage transformer 246-A from WE 49 tube amp
  • Recommendation

30s YEAR Western Electric interstage transformer 246-A from WE 49 tube amp

Sales price: $ 2,850(Listing price is for payment via Paypal, discount 2% if payment via bank transfer)
Very very rare interstage tranformer manufactured by Western electric in 30s years. It is used in 49 tube amp.
This product is currently sold out.

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THE Zeus 833A tube amplifier monoblock x 2 * 211 drive * 60W
  • NEW

THE Zeus 833A tube amplifier monoblock x 2 * 211 drive * 60W

This is upgrade version after 2 year I built 833 prototype. I made for my system and it is not for sale. Due to lack of heater transformer,it can not be ordered to made the same one now.


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50/VT62/10Y tube SE stereo amplifier pure class A1, direct AC heat filament

50/VT62/10Y tube SE stereo amplifier pure class A1, direct AC heat filament

Special order made 50' tube amplifier. Driver tube is 5687, prestage is EF86, rectifier tube is 5R4GW. Heater is AC to make sound more analog and beautiful.


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◀◀ 65 66 67 68 69 70 71 ►►