| 5U4 s |
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| ROGERS 5U4 Vintage 1957 5U4 |
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| MARCONI CANADA Brown base 5U4G |
| USA 5U4 |
| TUBES BY BRAND |
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| Common to medium powered amps like the earlier Fender Super Reverbs and Bandmasters. May be used replaced a 5Y3 for improved dynamics and power. Also some players have replaced their 5AR4 with the 5U4 in their Vox AC30 amps to reduce heat and extend the life of the power tubes, some recommended this as a "stability enhancer", if you can live with the slightly lower power. |
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| Contact for more info and availability |
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| NATIONAL UNION 5U4 |
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| SYLVANIA 5U4 |
| ADMIRAL 5U4 |
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| VINTAGE SYLVANIA 5U4 |
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| TUNG-SOL |
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