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Can someone I.D. this amp?

IRock817

Active Member
Oct 29, 2011
168
32
38
Magnum 2.jpg

Magnum 1.jpg

I have this amp that says Magnum 4000 on the front and 40 amp max stamped on the back by the power wires!
It has four pills but they are covered up with a braided ground strap and I can't read them.
I'm hoping someone has had one of these and can enlighten me on who made it and or how big or small it is.
Thanks
 

Actually the Magnum 4000 & 4500 amps came first, the Cobra xl line was built as a copy of the Magnums. They are all great amps and were best at SSB talking.
 
Great news so far, thanks!!!! I'm guessing with it being named a 4000, maybe it's rated for 400 watts? It seems to work well but I don't have a big enough power supply to run on stage three, four or sideband. I'm wanting to run it on my base and if I learn that it's a keeper I'll invest in a power supply.

If someone knows of a link to any information for it at all please P.M. or post here please. I can't find anything on it!

Thanks Again!
 


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    Coax question. I just put up a new Sirio monsoon base antenna with 100’ of rg8u coax testing with myMFJ antenna analyzer shows 1.4 swr at 26.965mhz and a 1.1 at 27.405 mhz . When I checked the ohms it’s steady a 30 ohms across the entire bandwidth.
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