[AMRadio] Grounded grid amp

[David Folger]

Thanks for correcting that.

I wanted to call my post back right after I sent it and say that the 6DQ5 would best be used in AB1 grid driven.

Some sweep tubes like the 6KD6 can be used in GG because the grids all come out to pins.

But they are more money -- but not ridiculously expensive so it's an option.

Dave

--- On Wed, 1/26/11, Robert Nickels <ranickel at comcast.net> wrote:

From: Robert Nickels <ranickel at comcast.net>
Subject: Re: [AMRadio] Grounded grid amp
To: amradio at mailman.qth.net
Date: Wednesday, January 26, 2011, 9:14 AM

On 1/26/2011 11:03 AM, David Folger wrote:
> he 6DQ5 is cheap and easy to come by.
I love the 6DQ5, best SSB final tube made IMHO.   My GSB-1 and Swan 240 
amaze me with what a single DQ5 final will do - 150 watts PEP or more.   
Someone has posted a nice little class AB1 linear here:  
http://www.scribd.com/doc/39134100/Linear-100w-6dq5

Unfortunately, the 6DQ5 won't do grounded-grid since the suppressor grid 
is internally connected to the cathode.

73, Bob W9RAN
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