Any one got a part# on a radio shack transistor i can use in a cobra 29 until i order good ones? Thanks.
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Radio shack transistor
- Thread starter Number15
- Start date
The 1969 in a cobra 29 is shot got the radio for cheap but final is shot, so needs to be replaced. Thanks.
Radio shack will have nothing to replace this with.
If were mine I would upgrade to MosFet. Unless I had some 2312's laying around.
If were mine I would upgrade to MosFet. Unless I had some 2312's laying around.
If you use a 2312 you may need to add 75 to 100 pf to the coupling capacitor.
But the MosFet is the best way to go.
radio shack has a mosfet that will work in a pinch
actually radioshack has a irf510 they stock, and if u know how to put in erf 2030 or irf520 its not as good as a irf520 but will work about $2 and you can go to cbtricks.com then mosfet expirementers info copy and build the erf1230 and you will be back in buisness.
actually radioshack has a irf510 they stock, and if u know how to put in erf 2030 or irf520 its not as good as a irf520 but will work about $2 and you can go to cbtricks.com then mosfet expirementers info copy and build the erf1230 and you will be back in buisness.
http://www.cbtricks.com/miscellaneous/fet_papers/ekl/graphics/erf2030_cobra_29_mod.jpg
This is the page that shows how to put a MOSFET transistor in a Cobra 29.
Pay attention to ALL details - and make sure you protect the MOSFET from ANY possible static. Static will destroy them easily - so buy a couple of them. You can get a lot of power out of these setups - more than a Cobra 29 does stock.
This is the page that shows how to put a MOSFET transistor in a Cobra 29.
Pay attention to ALL details - and make sure you protect the MOSFET from ANY possible static. Static will destroy them easily - so buy a couple of them. You can get a lot of power out of these setups - more than a Cobra 29 does stock.
actually radioshack has a irf510 they stock, and if u know how to put in erf 2030 or irf520 its not as good as a irf520 but will work about $2 and you can go to cbtricks.com then mosfet expirementers info copy and build the erf1230 and you will be back in buisness.
You guys are lucky.
I have not seen that part in a Radio Shack here in months.
en-1230
I have tried several radio shacks and they don't carry the en-1230 or erf-2030. I also did not find a 68 pf capacitor. Does any one know where I can find these items.
I have tried several radio shacks and they don't carry the en-1230 or erf-2030. I also did not find a 68 pf capacitor. Does any one know where I can find these items.
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