Commander HF-2500 and QRO HF-2500DX - Amplifiers Forum at eHam.net

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eHam.net Forum : Amplifiers : Commander HF-2500 and QRO HF-2500DX

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Commander HF-2500 and QRO HF-2500DX	Reply
by WA3RSL on December 26, 2004	Mail this to a friend!
Why do these two amps look so much alike on the front panel and model numbers nearly the same? Are these companies related somehow? I was curious as I have been researching a new amp for 2005. 73 Frank WA3RSL

RE: Commander HF-2500 and QRO HF-2500DX	Reply
by N3ZKP on December 27, 2004	Mail this to a friend!
The chief engineer/designer from one company left and formed the other company. I don't remember which was which. I own neither amp but from what I have read and the comments here, it seems both are equally good amps. I believe they were designed by the same man. Don't forget to check the reviews before deciding. Lon

RE: Commander HF-2500 and QRO HF-2500DX	Reply
by WA3RSL on December 27, 2004	Mail this to a friend!
Thanks Lon, that makes sense now. Yes I've been reading reviews on many amps recently. 73 Frank

RE: Commander HF-2500 and QRO HF-2500DX	Reply
by WA3RSL on December 27, 2004	Mail this to a friend!
I sent an e-mail to QRO and got a definitive answer: I was cofounder of Command Technologies. We split up 10 years ago. We have no relationship now. 73s Ray Connin KB8VU

RE: Commander HF-2500 and QRO HF-2500DX	Reply
by KT0DD on December 31, 2004	Mail this to a friend!
They are both well made amps. QRO uses the 4CX800A Russian tetrode tube which are cheap, plentiful, and fairly good quality, although I have heard of new tube failures once in awhile with the Russian tube. About $100 per tube. Command Technologies uses the EXPENSIVE Eimac 3CX800A7 ceramic triode which are extremely good quality, still being made and will be for the forseeable future. However, at $475 to $500 each, they are not cheap tubes. They are primarily sold for use in medical equipment which is why I think Eimac charges so much. It just depends on which you prefer. 73.

RE: Commander HF-2500 and QRO HF-2500DX	Reply
by N4DEK on March 14, 2005	Mail this to a friend!
While both are good tubes, the 3CX800A7 is made to much higher standards than the Russian 4CX800. Givin the choice I'll take the 3CX800A7 over the 4CX800 any day,and did.

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