it's 500 Watts over here this limit. Chris SV1DAF. ----- Original Message ----- From: "Robert M. Bratcher Jr." <[EMAIL PROTECTED]> To: "Discussion of AM Radio" <[email protected]> Sent: Tuesday, January 11, 2005 6:43 PM Subject: Re: [AMRadio] AM Amps
> At 04:31 AM 1/11/2005, you wrote: > >73s to all, > >regarding Dick's problem i'd try to match 1st the Ranger's output pwr with > >the needed input pwr of one of the amps.The choice of the amp depends on the > >output pwr someone wants to "push on the air".Saw a Ranger there in Ebay and > >think it's using something like 6L6s or anyway not high power output tubes. > >"Playing"with the outputs B+,or grid HV or grid pollution resistance,in > >order to reduce or increase the output pwr and match it with amp's input > >it's easy.Resistances for the B+ and grid HV and a meter to measure.The > >greatest the 2nd grid resistance is in value the worst.It's "pushing hard on > >limits" the tube depending on the B+ and grid voltages also. > >Hope it helps, > >Chris SV1DAF. > > If I wanted more than 100w of AM (out of my Collins 23V-3) then I'd use it > for carrier only then plate modulate an amplifier with a modulation > transformer (if I could find one) plus a speech amp. Then I'd run the > maximum legal AM power of 375 watts. > > But then I run AM on the KW-1 (pure DSB AM) & sometimes the KWS-1 (which > does carrier plus one sideband) at the 375w limit. I'd prefer to do AM at a > kilowatt but thats not legal anymore. > > I wonder how many AM'ers run more than the legal 375 watts? I've thought > about it... > > > ______________________________________________________________ > AMRadio mailing list > Home: http://mailman.qth.net/mailman/listinfo/amradio > Help: http://mailman.qth.net/mmfaq.html > Post: mailto:[email protected] >
