[AMRadio] Grounded grid amp

[Bernie Doran]

I recall some insane amps being run with 6AG7s, how about six or more upside 
down in a pan of water with 1KV on them?  life must have been short.  also 
from that time were a bunch of 803s in GG configeration.    Bernie
----- Original Message ----- 
From: "Robert Nickels" <ranickel at comcast.net>
To: <amradio at mailman.qth.net>
Sent: Wednesday, January 26, 2011 11:14 AM
Subject: Re: [AMRadio] Grounded grid amp


> On 1/26/2011 9:54 AM, Hiroki Kato wrote:
>> 6AG7 in parallel using grounded grid. Very simple and elegant design. 
>> Perhaps it was in QST but I may be mistaken. Anyone has any info?
> That amplifier dates from the early days of sideband, when low power
> exciters like the 20A were becoming popular.    The four-tube linear
> amplifier got you up to about 150 watts with 750 volts on the plates and
> is a very simple design.
>
> The article is titled "Receiving Tubes in Grounded Grid SSB Finals", by
> Norman McLaughlin W6GEG and was published in the Sept. 1956 issue of CQ
> magazine.  He tested it with 6AG7s, 6L6s, and 6CL6s but settled on 6AG7s
> because they were available cheap as surplus.
>
> 73, Bob W9RAN
> ______________________________________________________________
> Our Main Website: http://www.amfone.net
> AMRadio mailing list
> Searchable Archives: http://www.mail-archive.com/amradio@mailman.qth.net/
> List Rules (must read!): http://w5ami.net/amradiofaq.html
> List Home: http://mailman.qth.net/mailman/listinfo/amradio
> Post: AMRadio at mailman.qth.net
> To unsubscribe, send an email to amradio-request at mailman.qth.net with
> the word unsubscribe in the message body.
>
> This list hosted by: http://www.qsl.net
> Please help support this email list: http://www.qsl.net/donate.html