I found a grid-driven version using two 813's in the 1966 ARRL Handbook. Joe W4AAB ----- Original Message ----- From: "Craig K6QI" <[EMAIL PROTECTED]> To: "Discussion of AM Radio in the Amateur Service" <[email protected]> Sent: Saturday, April 21, 2007 1:47 AM Subject: Re: [AMRadio] My Amplifer Quest took a strange turn today
> I built one of those in about 1970. It was 2 813's in > grounded grid. Worked like a champ. I laid mine out a > bit different, I had a small rack with the RF deck on > the top, power on the bottom. I'm pretty sure it was > out of an early 60's ARRL Handbook. I used a rotary > inductor so it would tune anything. I ran a Heathkit > Apache/SB10 SSB adaptor directly into it. Might need > to put a tuner between it and a modern rig. > > > --- Bow <[EMAIL PROTECTED]> wrote: > > > > > Yup, I headed to the local Radio store to have my > > Yeasu 2 meter rig looked > > at (no TX). I found it it is a dead-duck, probably > > the processor, it will > > make a nice paperweight... > > > > ANYWAY... > > > > I'm talking with the owner about the fact I was > > looking for an amp, prefer > > tubes, mainly for use on 75M and maybe 10M... Around > > 600-700 watts... > > > > He thinks a bit and then rotates to his right and > > points up on the top > > shelf... > > > > "It was left here for a repair about 1.5 years ago, > > I got it repaired, the > > guy never picked it up... It is set-up for 75M and > > 40M.. Pair of 813's... > > Everything checks good on it, it's a nice amp.. > > > > You can get it off my damn shelf for $75..." > > > > I couldn't reach for my wallet fast enough... > > > > Now the fun part begins... Can anyone ID it, or > > maybe point to a handbook > > that is may have come out of so I can get a > > schematic?? > > > > Here It Is: > > > > http://riley-music.com/BowsStuff/AMP/02Front.JPG > > > > > http://riley-music.com/BowsStuff/AMP/04%20RightSide.JPG > > > > http://riley-music.com/BowsStuff/AMP/05LeftSide.JPG > > > > http://riley-music.com/BowsStuff/AMP/06Rear.JPG > > > > > http://riley-music.com/BowsStuff/AMP/07PowerTranny.JPG > > > > > http://riley-music.com/BowsStuff/AMP/08CoilAndCaps.JPG > > > > http://riley-music.com/BowsStuff/AMP/09_813a.JPG > > > > > http://riley-music.com/BowsStuff/AMP/10_813bChoke.JPG > > > > http://riley-music.com/BowsStuff/AMP/11Interior.JPG > > > > And Even though I have not fired it up yet, I did > > light off the filaments... > > I think EVERY piece of tube gear should have a > > window... > > > > > http://riley-music.com/BowsStuff/AMP/12MagicInTheWindow.JPG > > > > > http://riley-music.com/BowsStuff/AMP/13Glowin813s.JPG > > > > > > So, can anyone help me ID my score?!?!? > > > > Bow > > > > W5EFR > > > > -- > > No virus found in this outgoing message. > > Checked by AVG Free Edition. > > Version: 7.5.446 / Virus Database: 269.5.5/769 - > > Release Date: 4/19/2007 > > 17:56 > > > > > > -- > > No virus found in this outgoing message. > > Checked by AVG Free Edition. > > Version: 7.5.446 / Virus Database: 269.5.5/769 - > > Release Date: 4/19/2007 > > 17:56 > > > > > > > ______________________________________________________________ > > AMRadio mailing list > > List Rules (must read!): > > http://w5ami.net/amradiofaq.html > > List Home: > > http://mailman.qth.net/mailman/listinfo/amradio > > Partner Website: http://www.amfone.net > > Help: http://mailman.qth.net/mmfaq.html > > Post: mailto:[email protected] > > To unsubscribe, send an email to > > [EMAIL PROTECTED] with > > the word unsubscribe in the message body. > > > > > __________________________________________________ > Do You Yahoo!? > Tired of spam? Yahoo! Mail has the best spam protection around > http://mail.yahoo.com > ______________________________________________________________ > AMRadio mailing list > List Rules (must read!): http://w5ami.net/amradiofaq.html > List Home: http://mailman.qth.net/mailman/listinfo/amradio > Partner Website: http://www.amfone.net > Help: http://mailman.qth.net/mmfaq.html > Post: mailto:[email protected] > To unsubscribe, send an email to [EMAIL PROTECTED] with > the word unsubscribe in the message body. > ______________________________________________________________ AMRadio mailing list List Rules (must read!): http://w5ami.net/amradiofaq.html List Home: http://mailman.qth.net/mailman/listinfo/amradio Partner Website: http://www.amfone.net Help: http://mailman.qth.net/mmfaq.html Post: mailto:[email protected] To unsubscribe, send an email to [EMAIL PROTECTED] with the word unsubscribe in the message body.
