[Amps] Plate Voltage Not Stable

Carl km1h at jeremy.mv.com
Sat Feb 15 18:19:23 EST 2014


If they are the originals they are long overdue. Pull the tubes first and 
retest BUT still replace the caps in any case.

I believe FAR Circuits has a new PC board that is for the modern Snap-In 
caps.

Carl
KM1H


----- Original Message ----- 
From: "Ken Durand" <N4zed at comcast.net>
To: <amps at contesting.com>
Sent: Saturday, February 15, 2014 5:45 PM
Subject: [Amps] Plate Voltage Not Stable


> The plate voltage on my MLA-2500 amp has always been rock steady. It has a
> dedicated 220v line ran to it. The plate voltage has always been 2400v as
> read on the panel meter....
> After powering on the amp the other day this is what I get...Time to 
> replace
> the caps and rectifier diodes? They are original.
>
> https://www.dropbox.com/sc/uvd3jcwbrk86226/lDmNszwxYP
>
> Ken
> N4zed
>
> No virus found in this message.
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> -----
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