Questions & Answers for: magnum 257 hp

Magnum 257 No Audio Being Transmitted Hi Guys, could really do with a bit of help on this one, I have just bought a magnum 257, it Transmits fine (power wise) and receives no problem, but I can't get ...

Magnum 257 HP , no problem at all on AM or FM , modulation OK. SSB is distorted with low modulation , higher modulation seems to make it better but not consistantly . Used dummy load , BK CB tester ...

any body there got a service manuel to magnum 257 hp i need to tune out put on ssb Here you go! http://www.cbtricks.com/radios/rflimited/index.htm

...Magnum 257 HP, all of a sudden it wont transmit on any channel, lower, upper, fm, or am. I can receive, do channel up and down, and when i key up the transmit light comes on, but nothing else. sounds ...