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| The Electro Harmonix 5U4GB-EH is a close replica and an excellent replacement for the classic 5U4-GB rectifier tube.This classic big bottle 5U4 rectifier is the tube of choice for those famous, dual-rectifier amps. Availability: Usually ships within 24 hours. |
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| The NOS Winged "C" (SED) 5U4G / 5U3C tube is an exact Russian equivalent to the common Sovtek 5U4-G tube. Replaces any 5U4 tube type. Availability: Usually ships within 24 hours. |
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| Incredibly rare and considered to be one of the best 5U4G rectifier tubes made. This Winged "C" 5U4G / 5U3C tube has black-plate construction and was made from the late 1950's to early 1960's. This tube is labeled with it's Russian name 5U3C but is an exact replacement for any 5U4-G tube.
Availability: Usually ships within 24 hours. |
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| The Sovtek 5U4G tube is no longer available. For an excellent substitute try the Winged "C" (SED) 5U4G. |
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| Replaces 5U4GA, 5U4GB, 5U4G, 5U4, 5AS4 and GZ37 tube types. Assorted NOS brands in stock. Availability: Usually ships within 24 hours. |
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| Used 5U4 tubes that test like new. Assorted NOS brands in stock. Availability: Out of stock. |
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| This Copper Cap is a solid state rectifier replacement device for use in place of a 5U4 tube rectifier. Availability: Usually ships within 24 hours. |
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