Transformer - One Electron, Output, 1600 to 16/8/4

One Electron
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Transformer - One Electron, Output, 1600 to 16/8/4

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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. It features a paper bobbin. The UBT-1s low impedance gives an exceptionally broad frequency range of 10Hz to over 75 KHz (at 1 watt). This transformer has been the basis for excellent-sounding single-ended amps, and is notable for its clean, detailed sound. 6.1 lbs.

Item ID:
One Electron
Product Measurements
Fastener Hole Diameter0.17 in.
Item Height3.375 in.
Item Length2.85 in.
Item Width4.25 in.
Mounting Center Distance A2.25 in.
Mounting Center Distance B3 in.
Packaging Information
Packaging Dimensions5.75 in. × 4 in. × 3 in.
Weight (Packaging)5.656 lbs.

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Specifications, Files, and Documents

PDF: Specification Sheet (252.73 KB)p-tubt-1.pdf

Questions and Answers

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Asked by Anonymous on April 3rd, 2018. 1 person subscribed to this question
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Matt H.
April 3rd, 2018
We are not amp techs and do not know what transformer you need for these tubes.
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