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is this just the straight up dx-350 or the HD or the one with the variable. I would go with a rs-50 astron to power this one just to be safe. You could always run it off a car battery in the house and a good battery charger.

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There is really no practicle difference between the two. It's a 2 pill Texas Star with 2879's. The HD thing is really something that just sounds more impressive then it really is for 90% of amplifiers that have HD stamped on them.

If I do decide to run an amp, I'll go with the T/S 350 (non-var.) with the Astron RS-70M.
Thanks for all the input!!

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http://www.solarcycle24.com/

If you don't have the amp yet you might check out the TnT 350 built by X-Force. Hand built and tuned, and it will spank a Texas Star. Or get with a member named Yota. He is working on building remakes of the old Joker amplifiers. They have regulated class AB biasing. A Texas Star is for sure a step above Palomar, RM, Boomer, but there is better out there.

yota cant even test antennas without making an ass of himself !!
i have exactly ZERO faith in his ability to copy a joker amp !!!!
no doubt coolbreeze/bighammer will be the driver of that float when they try to parade it around . LOL

texas stars are fine amps and actually have a bias designed for a modulated signal unlike class c amps .
class c is fine for morse code though .

http://www.smeter.net/amplifiers/cla...-operation.php

"Class C amplifiers are biased well beyond cutoff, so that plate- or collector-current flows less than 180 degrees of each RF cycle. That provides even higher power-efficiency than Class B operation, but with the penalty of even higher input-to-output nonlinearity, making use of relatively high-Q resonant output tank circuits to restore complete RF sine-wave cycles essential. High amplifying-nonlinearity makes them unsuitable to amplify AM, DSB, or SSB signals."

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There is LOT more to building a good amp than just choosing the same parts. My spectrum analyzer alone cost me over $5000 when I bought it years ago. It took me 2 years to pay it off and about as long to actually learn how to use it

Long time.....good to see you still around. Sure are a lot of wannaboos out here now....Hope things are going good for you Peak. Lots would like to see you building again. And lots that are afraid you might. Still remember the smell of ten ohm smoke?

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Ignorance can be cured by learning, there is no cure for stupid......

I never completely quit building. I still have all of my test equipment and my benches set up. I have been doing "R&D" so to speak.
I got very busy years ago with my electrical business and that is truly my bread and butter. I have been super busy for the the last 5 years and the only time I get on the bench is to act like a mad scientist
I am thinking seriously about putting a few amps together but every time I say that I get too busy to do it so I will not say it.

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"Trying not to choke on that 10 ohm smoke"