Date: Mon, 30 Jul 2012 03:09:20 -0400
From: "Roger (K8RI)" <k8ri@rogerhalstead.com>
Subject: Re: [Amps] Dedicated RF / tube query
On 7/29/2012 11:50 PM, Leigh Turner wrote:
>
> Yes indeed Dick....instant-on thoriated tungsten filament tubes are nice!
>
> But alas, the rather pricey 3CX1200 can't be second-sourced :-(
Didn't they change the suffix on the 3CX1200 to something new?
I don't know if the bias is the only thing changed with the tube
designation.
73
Roger (K8RI)
## Just look it up on eimacs site... or better yet, look it up in the eimac
catalog.
They make THREE different versions of the tube...and still do !
A7, D7, Z7. The Z7 is the best of the bunch.. and has the lowest feedback
C...
and no socket required. It has a grid flange.
Jim VE7RF
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