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5U4

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5U4

5U4

A full-wave rectifier with higher current capacity but more voltage drop than the 5AR4. Produces a looser, softer amp response.

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Rectifier Tubes (5)‎

JJ Electronics (1)‎

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RUBY Tubes (2)‎

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Save $9.00

JJ 5U4GB Rectifier Tube

JJ Electronics JJ 5U4GB Rectifier Tube

Sale price$20.00 Regular price$29.00

Ruby 5U4GB Rectifier Tube

RUBY Tubes Ruby 5U4GB Rectifier Tube

Sale price$27.50

Ruby 5U4GC Rectifier Tube

RUBY Tubes Ruby 5U4GC Rectifier Tube

Sale price$25.00

Sold out

Sovtek 5U4G Rectifier Vacuum Tube

Sovtek Sovtek 5U4G Rectifier Vacuum Tube

Sale price$83.95

Mullard 5U4GB Rectifier Vacuum Tube

Mullard Mullard 5U4GB Rectifier Vacuum Tube

Sale price$39.95

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About Ruby Tubes

Our full line of premium tested vacuum tubes are the best in the industry. Serious musicians know the tone is in the tubes, and RUBY Tubes deliver.

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