[Heathkit] Suggestion for legal limit AM amp (was Heath Warrior as an AM amplifier)

Bry Carling bcarling at cfl.rr.com
Tue Jan 17 16:13:02 EST 2012


I wonder how my FL2100Z amplifier woul ddo with a DX60 driving it, and maybe set the 
carrier at 15 watts from the DX60 - probably slightly lower power than your pair of 813s.

Probably a good AM cloud burner though!

On 17 Jan 2012 at 12:19, Paul Baldock wrote:


> I use a DX-60B driving a pair of 813's. I get outstanding audio 
> reports. The 813's are running at about 2500V and comfortably give
> 600-800W (depending on band) PEP, 150-200W carrier. I know this is
> way over the spec'd dissipation for 813's but I've yet to have one
> die.
> 
> I have my DX60B set to around 10W standing carrier, 15W average 
> power, and 60W PEP.
> 
> The DX-60B would be a great driver for the Warrior.
> 
> - Paul
> 
> At 09:36 AM 1/17/2012, Robert Nickels wrote:
> >On 1/17/2012 11:04 AM, Carl wrote:
> > > The T Bolt is a bit weak in the PS for extended old buzzard
> transmissions
> > > from what Ive heard on the air and read elsewhere.
> >Carl,
> >
> >Based on your amplifier experience, wonder what you think about
> driving
> >linears with controlled-carrier AM exciters?   I've not tried it
> myself
> >but hear guys on the air all the time running rigs like DX-60s,
> >FT-101-series, and even some riceboxes that seem to work quite
> well.
> >The lower resting carrier level would seem to be a way of getting
> some
> >good power out of the lower-rated linear amplifiers like the
> Warrior.
> >
> >All I know is that the audio quality can be very good, although it
> is
> >important to set the proper carrier and modulation levels.  Just
> >listening to these stations on AM nets, I can't tell the difference
> vs.
> >high-level modulated stations.   I'm guessing that a PEP wattmeter
> would
> >be the best way to set up the combination to  operate within legal
> limits.
> >
> >73, Bob W9RAN
> >______________________________________________________________
> >Heathkit mailing list
> >Home: http://mailman.qth.net/mailman/listinfo/heathkit
> >Help: http://mailman.qth.net/mmfaq.htm
> >Post: mailto:Heathkit at mailman.qth.net
> >
> >List Administrator: Duane Fischer, W8DBF
> >** For Assistance: dfischer at usol.com **
> >
> >
> >This list hosted by: http://www.qsl.net
> >Please help support this email list:
> http://www.qsl.net/donate.html
> 
> ______________________________________________________________
> Heathkit mailing list
> Home: http://mailman.qth.net/mailman/listinfo/heathkit
> Help: http://mailman.qth.net/mmfaq.htm
> Post: mailto:Heathkit at mailman.qth.net
> 
> List Administrator: Duane Fischer, W8DBF
> ** For Assistance: dfischer at usol.com ** 
> 
> 
> This list hosted by: http://www.qsl.net
> Please help support this email list:
> http://www.qsl.net/donate.html




More information about the Heathkit mailing list