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RE: Tube rectifier

Posted by Eli Duttman (A) on March 18, 2014 at 18:23:52

In Reply to: Tube rectifier posted by DanS on March 18, 2014 at 12:42:27:

There are 2 reasons to be VERY cautious about the substitution: forward drop in the GZ32/5V4 is less than that in the GZ30/5Z4 and 1st filter cap. size limits. Do you want to over voltage your signal tubes and/or have a 5V4 arc over at power turn on?

Do a little digging and you'll see that the characteristics of the 5Z4 and 5Y3 are quite close. The 6087/5Y3WGTB has a cathode sleeve, like the 5Z4. ;>)

edit: corrected 5687 "fat finger" error/6087 is correct


Eli D.

Edits: 03/18/14

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