[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
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