Recent content by northbound

What size Power Supply should I use to Run this Polamar250.I will be useing it with a Uniden Washington Base?

I also purchased one,pure junk.

I have a early model cobra 25 side mounted mic.I want to do the 520mosfet mod on it but cant find info on it.I was wandering if it would be the same as the 520 mod on the cobra 29 ltd? Have heard that it was the same and that it was not,I got to know for sure before I try it.I have done the mod...

I can Tell y0u this,I bought one of those new,never even tryed to work.I packed it up sent it back ,finally got my money back,thanks to pay pal.They are junk.The one I had did the same as yours,got hot instantly,put out about 40 watts.

Found a new one for around 11.00.Might have to buy it,can find 10.700 all around but 10.695 are not as common.Would the radio work with a 10.700?

Haveing a problem finding a 3pin 10.695 crystal for my radio.All I have found so far are 2 pin.Any help appreciated

Need a upd2816c pill or replacement for a cobra 29ltd NW ST.I am wondering if their might be a more common replacement.Any help will be appreciated.:

Hi all,sure hope some one can help,need a picture of the solder side of the board in a realistic trc414 model # 1508. Traces are butured at the ic3,audio amp chip#mb3712.This mb3712 has 8 pins,on the solder side of the board,the traces going to those 8 pins are so bad Icant tell which goes to...

Hi,did the same mod to my cobra29ltd-st,same as yours about 7 watts swing,wish I had went back with 1969 instead of 520 mosfet.

Does anyone know where I might find a schmatic for a realistic trc414,or anything close .Any help will be appeciated.Northbound