[AMRadio] Rectifier tubes


jeremy-ca km1h at jeremy.mv.com
Tue Dec 18 10:40:35 EST 2007


Most any high vacuum rectifier can be swapped for another as long as you 
follow the ratings and pin outs. Dont use a 5Y3 in place of a 5U4 if the 
ratings will be exceeded. You caalways go the other way but the 5U4 draws 
another 1A of filament current.

If a socket change is OK then the 80/5Y3 and 5Z3/5U4 are OK. A 6X5 can 
replace an 84/6Z4.

Carl
KM1H



----- Original Message ----- 
From: "John King" <k5pgw at yahoo.com>
To: <amradio at mailman.qth.net>
Sent: Tuesday, December 18, 2007 9:48 AM
Subject: [AMRadio] Rectifier tubes


> Can another tube such as 5Y3 or 5U4 be substituted for
> 5Z4? Have you done it? 73, John, K5PGW
>
>
> 
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