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See any kinda out put pick up from it like watts out?

The one on your board looks like the real deal to me. You have it hooked up in what a cobra 29?

Looks like a cool little amp board for sure trouble is the real st tda2003 aren't made anymore and hard to find. There are lots of fakes on line or Chinese clones. That said the offical replacement from my understanding is tda2009A but it's a stereo type amp think it can be put in bridge and used.

I was kinda thinking the same thing but the info he shared was also useful. Excellent explanation lc

Thanks man appreciate the information.

Off the top of your head do you know which one it is d35 for some reason I'm thinking. Also it's not channel drop out it covers them all fine. I was hoping to even the out put power out through them. Rather that more on low end and way less on high iend

Thanks but this bulletin is irrelevant to the 148gtl st in fact this has a kia audio chip not the Toshiba the out pin is 10 not 9 like the old ones.

I'm thinking more along the lines of bad caps there are a few places there are 10 volt caps in there I'm thinking at the very least change those.

Actually there aren't on the the newer ones with tda2003 that I saw I went through all 4 pages.

Would a 3 or 3.5 be ok for am? To eliminate noise from out side sources.

hifi mods for 2013 cobra 25 ltd classic with fake tda2003 audio chip??

I heard some one was upgrading these to a 12 watt audio chip to replace this also seemed like some one was doing a wire to by pass some components and get more out of the audio chip. Anyone have info in this I'll second that its bottle necked the 1969 tip120 is a waste of time as it sits.

Yes that's what I've done but it doesn't spread well with the older 858 radios there were some broad band mods to get full power nearly top to bottom.

Nope using a dummy load for all testing.

So I did the simple 2 switch mod for channels notice that on the Lowe end 26.81.5 not much forward swing and the same at 27.45.5 anything I can do to make it spread a bit better its great around 27.16.5 thanks in advance...

Think I fried the key chain one at work with rf it was in the cubby in my truck right above my 63ffc2 it don't work no mo.

What are we looking at here a boot convertor or start of the amp??

Any updates on this? Nomad

I'll check that and get back to ya later tonight or in the am.

Old old subject but I have a china nw/st was gonna do the 10uf cap npc mod noticed that pin 9 isn't the same as the old pre China radios it's a ground now so hows that work?