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My Bimbo squeals

Turbo T

Certified CB Rambo
Feb 2, 2011
963
142
53
And not just because I stuck it in her either. :w00t:

I have a Bimbo 100 amp that emits a squeal from inside when you key up the radio. It only does it if the toggle switch is in the pep power position. The squeal is transmitted on the air and can be heard on the other parties radio.

No matter how far away I hold the mic, this amp squeals. What causes this and how can I fix it?

Also I have noticed if in the pep position, the SWR's are over 3, but if in the RMS, you can't even get a reading on the meter unless you blow or talk into the mic. It's almost as if you're on SSB but it does this on AM or FM.

Also I took an SWR reading of this set up with the amp off and the SWR's are good, so I know it's in the amp.

Can anyone please point me where to start? Thanx.
 

I'm not surprised to see psycho digging up an old dead post.

Also FWIW the Bimbo is gone. The bitch ended up something like this....
 

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Hey that looks like an SBE Console V i had that wouldnt work no matter what i tried to do to fix it. It wound up flattened just like the radio in the pic...
 
And not just because I stuck it in her either. :w00t:

I have a Bimbo 100 amp that emits a squeal from inside when you key up the radio. It only does it if the toggle switch is in the pep power position. The squeal is transmitted on the air and can be heard on the other parties radio.

No matter how far away I hold the mic, this amp squeals. What causes this and how can I fix it?

Also I have noticed if in the pep position, the SWR's are over 3, but if in the RMS, you can't even get a reading on the meter unless you blow or talk into the mic. It's almost as if you're on SSB but it does this on AM or FM.

Also I took an SWR reading of this set up with the amp off and the SWR's are good, so I know it's in the amp.

Can anyone please point me where to start? Thanx.

You're just not doing 'er right, that's all.
 
I'm not surprised to see psycho digging up an old dead post.

Also FWIW the Bimbo is gone. The bitch ended up something like this....


There are a few radios available new today that should be BF Goodrich All Terrained also.
 

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  • @ 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.