[Amps] Amps 3CX800's in a Alpha 374A

[Peter Voelpel]

The GS-31B is much larger, only one will probably fit but you need to build
a new sub chassis for that tube.
Legal limit will not be possible at only 2.5KV and you need more drive.
I would not do that, the pair of 3CX800A7 will do much better in that amp.

73
Peter, DJ7WW
 

-----Original Message-----
From: amps-bounces at contesting.com [mailto:amps-bounces at contesting.com] On
Behalf Of chas
Sent: Dienstag, 21. August 2012 20:19
To: Carl; Amps Amps
Subject: Re: [Amps] Amps 3CX800's in a Alpha 374A

On 8/21/12 12:57 PM, Carl wrote:
> Its not plug and play since the 800 is much wider and will require one 
> of the sockets being moved.
> 
> The 76PA and 76CA 3 holers are easier since 2 of the 3 sockets will 
> accomodate a 800.
> 
> Filament transformer needs to be added in all cases.
> 
> You will only get out the same power as a pair of 8874's since the HV 
> is low and the transformer is not up to full bore for long in the 2 
> hole models. A 3 holer will do 1800W +
> 
> Carl KM1H
> 


Carl
to clarify again... the amp is running a pair of 800s now.
I am interested in replacing them with a pair of GS-31Bs.

73
chas  k5dam



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