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Transformers & Chokes

One Electron - One Electron chokes and transformers are designed by John Atwood, to fill the need for high-quality yet affordable audio transformers and chokes that are not normally available elsewhere.
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P-TUBT-3
P-TUBT-3
Item ID: 003630
Transformer - One Electron, Output, 3000 Ω to 16/8/4 Ω

The UBT-3 from One Electron is the same size and power (15 watts) as the UBT-1, but has a primary impedance suitable for single or paralleled tubes running at B+ voltages of 300 to 400 volts, such as: 2A3, WE 300B, 50, etc.


$109.95
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P-TUBT-2
P-TUBT-2
Item ID: 003629
Transformer - One Electron, Output, 4800 Ω to 16/8/4 Ω

The UBT-2 from One Electron is the same size and power (15 watts) as the UBT-1, but has a higher primary impedance suitable for single tubes running at B+ voltages of 400 to 500 volts, such as: 50, WE 300B,etc.


$129.95
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P-TUBT-1
P-TUBT-1
Item ID: 003628
Transformer - One Electron, Output, 1600 Ω to 16/8/4 Ω

The UBT-1 from One Electron is a low-impedance single-ended output transformer intended for parallel combinations of tubes running a B+ voltages of 250 to 325 volts, such as: two or three EL34s (triode connected), three 2A3s, two 300Bs, two 6AS7s, etc., as well as single sweep tubes run in 'enhanced-triode' mode, resulting in 10 to 15 watts of output power.


$125.00
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P-RC-3
P-RC-3
Item ID: 010037
Choke - One Electron, Audio, PRC-3, 225H for Preamp Output

The PRC-3 audio choke from One Electron was designed as a plate load for the output of either a high quality line amplifier or a phono preamp.


$69.95
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P-RC-1
P-RC-1
Item ID: 003280
Choke - One Electron, Audio, PRC-1, for Shunt Feed SE Output

The PRC-1 audio choke from One Electron was designed for shunt-feed single-ended output applications, but is also useful where quality inductive loads are needed or as high-quality filter chokes.


$85.00
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P-RC-2
P-RC-2
Item ID: 003281
Choke - One Electron, Audio, PRC-2, for Shunt Feed SE Output

The PRC-2 audio choke from One Electron was designed for shunt-feed single-ended output applications, but is also useful where quality inductive loads are needed or as high-quality filter chokes.


$69.95
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P-TBFT-1B
P-TBFT-1B
Item ID: 003583
Transformer - One Electron, BFT-1B, Power

The BFT-1B from One Electron was designed to power a stereo amplifier using UBT-1's in each channel but will also power an 80 watt push-pull tube amplifier. The BFT-1B is slightly larger than earlier versions of the BFT-1, allowing lower flux density and cooler operation. The tapped high-voltage windings and three filament windings provide flexibility in design. An electrostatic shield between the primaries and secondaries reduces power-line noise coupling. The primary arrangements allows use on virtually any power grid in the world.


$225.00
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