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5Z4 half-wave rectifiers replacement suggestion

I have Hyperion HT 88 power amps and one of the rectifiers started to have blue sparks inside when I turn on the amp. I have a feeling it started to go hence the question.

What can I buy as a replacement for 5Z4 half-wave rectifiers ? There seems to be number of options but all of them have some additional letters after 5Z4 ... which is very confusing.

Can anyone explain what are the options as far as the replacement goes ?

Thanks,
Shorkun
shorkun

Showing 1 response by audioman58

audioman58's avatar
audioman58
4,306 posts
 
A 5z4 is the same as the 5y3 gt , or 6101
Going up to s 5ar4 gz-30 requires much more power
You could put a 5z4 in a 5ar4 slot. It may work putting a 5ar4 in a 5z4
Slot But it may gave very short life. The Bendix 6106 is very rugged
And the best bass in this size rectifier with great control.. If any doubts ask the MFG.
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