Vacuum Tube - 5U4GB, JJ Electronics

JJ Electronics
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Vacuum Tube - 5U4GB, JJ Electronics

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Originally: $14.95
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The JJ Electronic 5U4GB is an excellent choice for an economically priced tube rectifier. Used in many Hi-Fi and guitar amplifiers, JJ delivers a robust and solidly built tube. This full wave rectifier will work in any 5U4 application.

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Item ID:
JJ Electronics Part Number:
JJ Electronics
Product Measurements by Type
Body Height105 mm
Filament Current (If)3 A
Filament Voltage (Uf)5 V
Item Diameter38 mm
Item Height120 mm
Packaging Information
Packaging Dimensions1.6 in. × 1.6 in. × 5.6 in.
Weight (Packaging)0.14 lbs.

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Specifications, Files, and Documents

PDF: Specification Sheet Specification Sheet486.21 KB

Questions and Answers

Click each question to see its answers.
Asked by Anonymous on October 28th, 2016.
Matt H
October 28th, 2016
According to our tube substitution handbook, the 5U4GB is not a replacement for the 5U4GE.
Asked by Macktires4 on November 11th, 2016.
Matt H
November 11th, 2016
No, the only time you might need to rebias is when you are replacing power tubes.
Asked by Anonymous on December 20th, 2016.
Matt H
December 20th, 2016
Yes, this is a replacement for the 5U4G.
Asked by Anonymous on December 20th, 2016.
Matt H
December 20th, 2016
Yes, there are five pins.
Asked by Anonymous on October 26th, 2017.
Matt H
October 26th, 2017
This is something we would not recommend as the 5U4GB runs at a higher filament current and you run the risk of overheating your transformer and damaging your amp.
Asked by Anonymous on April 28th, 2018.
Matt H
May 1st, 2018
The 5U4 and 5U4GB are substitutes.

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Substitute Products

The following items can be substituted for this product. While not necessarily exactly the same, they will function as replacement items in your project.