Solid State Rectifier
This octal based solid state rectifier is a cost effective replacement for any of the following tubes:
5AR4 / GZ34, 5Y3, 5U4G / 5U4GB, 5R4 / 5V4 / 5Z4
Not only is this an inexpensive alternative, but this solid state rectifier will firm up your low end. If you have too much sag in your low end, then this is the prescription for you.
Note: Please be advised that this replacement will increase overall B+ (plate voltage) by 10-20%. If your filter caps are older than 20-25 years, we suggest you replace them before installing this solid state rectifier.
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Easy mod for tube rectified amps.
reviewed by: Jay
Perfect fit and works as described. I am running it in a '68 pro reverb, which has been recapped recently and running new power tubes.
I checked the voltage and it push it up about 25 volts, re-biased the the power tubes, sounds great, noticeably less sag
reviewed by: David
Perfect fit and works as described. I am running it in a '66 Tremolux, has been recapped recently and running new power tubes. Tightens up the low end and has a little more attack (less sag).
reviewed by: Matt P