good grief!! Now thats an AMP! R
---------- Original Message ----------- From: "James M. Walker" <[EMAIL PROTECTED]> To: "Discussion of AM Radio" <[email protected]> Sent: Thu, 13 Jan 2005 11:48:34 -0500 Subject: Re: [AMRadio] AM Amps > Hum, > 4-1000A G.G. amplifier, 3000 VDC plate, 700 MA Plate I, 500 MA > Grid I, with 125 Watts out of DX-100 running apprx 2100 W input and > dissipating 670 watts plate = approximately 1430 watts output! > > While the carrier level into 50 ohm dummy load is 1400 watts measured > and a really NICE orange glow! This is with a 200 cfm blower, air system > socket and chimney. > > Jim > WB2FCN > > ----- Original Message ----- > From: "Jim candela" <[EMAIL PROTECTED]> > To: "Discussion of AM Radio" <[email protected]> > Sent: Wednesday, January 12, 2005 7:07 PM > Subject: RE: [AMRadio] AM Amps > > > > > Darrell, > > > > That amp you built with the 4-1000 was a "killer" in more ways than one! > > Time for a confession.. > > > > Regards, > > Jim > > WD5JKO > > > > -----Original Message----- > > From: [EMAIL PROTECTED] > > [mailto:[EMAIL PROTECTED] Behalf Of Darrell, WA5VGO > > Sent: Tuesday, January 11, 2005 6:04 PM > > To: Discussion of AM Radio > > Subject: Re: [AMRadio] AM Amps > > > > > > At 04:21 PM 1/11/2005 -0500, you wrote: > > > > >In a message dated 1/11/05 12:14:43 PM, [EMAIL PROTECTED] writes: > > > > > > > > > > well all I can say is it works.. works well as a matter of fact, and > has > > > > been for 6 years :) > > > > I typically run between 350 and 400 watts of carrier every day. It > looks > > > > great on the scope. Modulation envelope is perfect. 100% modulation. > In > > 6 > > > > years Ive only lost one tube, and I accidently broke that one. > > > > > > > > > > > > > >I have to agree with Gary. You're seeing 1600 watts PEP and 400W of > > carrier > > >OUT with a pair of GG 813s??? Does not compute! Just curious, are you > > >talking about 400W INPUT power to the linear under carrier only condx > > >maybe? If > > >so, this would work out to about 133W carrier OUT and each 813 > dissipating > > >about 133W which would make more sense. > > > > > >Dennis D. W7QHO > > >Glendale, CA > > > > > > I'm with Dennis and Gary. To run a linear amplifier at 375 watts of > carrier > > and 100% modulation, you will need around 800 watts of plate dissipation. > > For a short time a number of years ago, I tried running an AF-68 and a > > 4-1000A linear amplifier. I could never get more than around 450 watts of > > carrier and stay linear............I didn't need a heater in the shack > > either. > > > > 73, > > Darrell, WA5VGO > > > > > > > > 73, > > Darrell, WA5VGO > > > > > > > > > > ______________________________________________________________ > > AMRadio mailing list > > Home: http://mailman.qth.net/mailman/listinfo/amradio > > Help: http://mailman.qth.net/mmfaq.html > > Post: mailto:[email protected] > > > > -- > > No virus found in this incoming message. > > Checked by AVG Anti-Virus. > > Version: 7.0.300 / Virus Database: 265.6.10 - Release Date: 1/10/2005 > > > > -- > > No virus found in this outgoing message. > > Checked by AVG Anti-Virus. > > Version: 7.0.300 / Virus Database: 265.6.11 - Release Date: 1/12/2005 > > > > ______________________________________________________________ > > AMRadio mailing list > > Home: http://mailman.qth.net/mailman/listinfo/amradio > > Help: http://mailman.qth.net/mmfaq.html > > Post: mailto:[email protected] > > > > > > ______________________________________________________________ > AMRadio mailing list > Home: http://mailman.qth.net/mailman/listinfo/amradio > Help: http://mailman.qth.net/mmfaq.html > Post: mailto:[email protected] ------- End of Original Message -------
