Larry for years I used a pair of 813's in grounded grid and drove them with a ranger. It produced great sounding audio. I still have that as my backup to my globe king.
813's are great tubes. The only drawback for me is I like to operate on ten meters and 813's are shakey at best, up there. good luck on your project, Iknow you will enjoy it. ronnie - W5SUM ---------- Original Message ----------- From: Larry Keith <[EMAIL PROTECTED]> To: Discussion of AM Radio <amradio@mailman.qth.net> Sent: Mon, 30 Jan 2006 12:06:43 -0800 (PST) Subject: [AMRadio] AM Transmitter Advice?? > Well, Let's see if we can change the subject.. 8-) > > I am gathering ideas for a homebrew AM transmitter.. > > My friend, KR1S (Jim Kearman) is designing an AM > transceiver, for me. We plan for this to be a > solid-state unit that will deliver about 100 watts > out. It will be single band (75 meters) and I have > been considering using that to feed a homebrew linear. > I have the makings of a 2 x 813 amp thanks to my and > Jim's hamfesting efforts. > > So far, we have been reading and kicking around ideas. > It seems that with the derating of the amp to handle > the continuous carrier, etc.. may be more trouble than > it is worth. > > So, I would be interested in opinions as to the > relative merits of using a linear vs high-level > modulation. And, pointers to existing circuits would > be helpful.. > > Any ideas? > > 73, > > Larry > KQBY > > Larry Keith > 231 Shenandoah Trail > Warner Robins, GA 31088-6289 > [EMAIL PROTECTED] > 478-329-0030 (home) > > __________________________________________________ > Do You Yahoo!? > Tired of spam? Yahoo! Mail has the best spam protection around > http://mail.yahoo.com > ______________________________________________________________ > AMRadio mailing list > Home: http://mailman.qth.net/mailman/listinfo/amradio > Help: http://mailman.qth.net/mmfaq.html > Post: mailto:AMRadio@mailman.qth.net > AMfone Website: http://www.amfone.net > AM List Admin: Brian Sherrod/w5ami, Paul Courson/wa3vjb ------- End of Original Message -------
