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old magnum 257 amber face 2030 swap

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1342

Active Member
Jul 23, 2008
189
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has anyone tried this ia have the old 257 and would like to swap erf2030s in her i did find a new schematic for the 2030 model and many parts are gone from the original mainly around the final section.any info would be great!
 

The origional 257 was a dual 1969 final set-up. I would go with two irf520 mosfets. Thats is if the 1969's are smoked, if the radio works fine I would leave it as is.
 

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  • @ BJ radionut:
    +1
  • @ heartbreaker3473:
    Hello gentlemen and Ladies. I have the dreaded RCI-2990 receive issue where my radio gets distorted when people get close to my location. I found the C90 Capacitor, but I can not for the life of me find the C89 capacitor. Can or does anyone have a picture of the exact location of C89 ? Thank you in advance, Wes
  • @ AudioShockwav:
    Wes, it's better if you start a thread on the main forum, more people are going to see your question.
  • @ heartbreaker3473:
    Okay, sorry, will put in a forum
  • @ heartbreaker3473:
    I put it in the general disscution help area and started a new thread. Thank you for letting me know.


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