• WARNING: Tube/Valve amplifiers use potentially LETHAL HIGH VOLTAGES.
    Building, troubleshooting and testing of these amplifiers should only be
    performed by someone who is thoroughly familiar with
    the safety precautions around high voltages.

5v3, 5u4, 5u4gb, 5u4gbm, 5931?

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My 2A3 amp came with 5V3 rectifiers. One is reading lower than the other one and I am having to turn the volume up on that side louder than the other.

When I went looking for a replacement or upgrade with same electrical characteristics I came across the ones in the subject. I understand the 5931 is a ruggedized version Milspec.

Which would be the best replacement that might be a little better than a 5V3? By better I just mean able to provide solid power without sag.
 
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