|[AMRadio] AM Amps|
garyschafer at comcast.net
Tue Jan 11 23:09:08 EST 2005
>>> I'm not sure you can get more than around 1kW PEP output of a pair of
>>> 813's... and probably more like 800w. (3) in parallel would be a
>>> different story, though.
>>> 73 = Best Regards,
>> I would say you are pretty much on the mark there. I have a pair of
>> 813's in GG also. I only run them at around 2500 volt and can get
>> about 650 watts max out with 100 watts drive if I remember right.
>> I ran them well over 3000 volts many years ago and got quite a bit
>> more out of them but didn't have a decent watt meter then so I don't
>> know exactly.
>> 1000 watts out seems doable but they will be running around 1600 watts
>> or more input. They will turn pretty red. Even on SSB at that power.
> *whew* We agree on -something- ;-)
> But I'm enjoying the discussion. I may not be the most articulate
> individual around, and I'm -far- from reminding anyone of someone whom
> posses articulatino, but when it comes to someone saying "375w is the
> limit to run to get 1500w pep output", I can't swallow that. It's a
> true statement, if you were to apply a sine-wave (at an arbitrary
> rate... say, 1kc) to 100%, but as it's been said before, we don't -talk-
> in sine-waves.
> 73 = Best Regards,
But it is also true for voice modulation if you are talking about
modulation peaks at 100% positive. Modulation is modulation.
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