I have a newer (couple years old) Cobra 19. I've read the mods for it, but curious about what's being used instead of the old 2sc1969? It's my understanding that this transistor is no longer made and most of the ones on the market are fake and junk. So what is a good replacement final for that radio? Thanks in advance for any help...
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Cobra 19 Ultra
- Thread starter kc8vji
- Start date
The EKL brand makes a part designated as the 'ERF-2030' that is a MOSFET replacement. It will require a few small modifications to the output circuit make it work. Mods will include removing some parts and adding a few others. The downside is that you might have to dig around to find that specific info. The upside is the MOSFET replacement puts out almost twice the power output as the stock bipolar transistor did.
The 2SC1969 transistors are still available at RF Parts. The mosfets do produce more power but at the cost of durability. Not trying to be a smartass but the best mod for a Cobra 19 Ultra is the trash can mod!!!!!!
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lol I understand, but I have limited real estate in my Jeep and the fits well. I only use the CB when I'm off-road with a group so I don't need anything fancy. Thanks for the help guys!
There will be no audible or practical difference by doing a bigger final mod. The only real reason for doing that is to drive an amplifier better otherwise it's a mod that gains nothing.
i second what psycho said.
if that radio is going to be used barefoot, then just turn up the modulation pot a bit and leave it alone. oh, and dont try to use anything but the stock mic.
pretty sure its a condenser element in those.
remember,
to gain 1 S unit in someone's receive, you have to quadruple your power output.
so, from a stock 4 watt carrier, 16 watt PEP swing radio; you would need to up it to a 16 watt carrier with 64 watts of PEP swing.
lower the deadkey on that radio to about 2 watts, and get a nice little 2 pill amp, and you will be the envy of the whole 4x4 group.
LC
if that radio is going to be used barefoot, then just turn up the modulation pot a bit and leave it alone. oh, and dont try to use anything but the stock mic.
pretty sure its a condenser element in those.
remember,
to gain 1 S unit in someone's receive, you have to quadruple your power output.
so, from a stock 4 watt carrier, 16 watt PEP swing radio; you would need to up it to a 16 watt carrier with 64 watts of PEP swing.
lower the deadkey on that radio to about 2 watts, and get a nice little 2 pill amp, and you will be the envy of the whole 4x4 group.
LC