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  1. D

    firebird 500 Power sagges then comes back?

    Well changed the caps and diodes.Still has a dip about 3 seconds into the key.Caps are not heating up.I tried.
  2. D

    firebird 500 Power sagges then comes back?

    I have replaced the tubes in this unit with nos tubes.pep 450 to 475.Helped there but still dips.Still has original caps in it.Could the older caps be causing it to sag and come back up after a couple on seconds?
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    firebird 500 Power sagges then comes back?

    You are the man.Thank you Jeff.73s
  4. D

    firebird 500 Power sagges then comes back?

    Would anyone happen to have a wiring diagram for this unit?
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    firebird 500 Power sagges then comes back?

    I am running the old girl with a Bearcat ssb and a imax 2000.I get a lot of people saying it is loud and clear.I have poeple close that radio and they say it is clean.I have talked all over the Country and outside so i can not complain with the performance.
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    firebird 500 Power sagges then comes back?

    Do you have a price in mind?Would you happen to have any pics?Where are you located? Sorry for all of the questions but are a weighing factor.
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    firebird 500 Power sagges then comes back?

    Can relate to the analogy having been a auto and diesel mechanic for 45yrs.I do like my fingers and heartbeat.Plate tune is the same when it drops.A couple of tubes are very used and discolored.Capasitors are old and i am sure tired.It is operating good.Working on tube replacement and cap...
  8. D

    firebird 500 Power sagges then comes back?

    I have a old fiebird 500.Poid $100.00 for it.Works good pep about 375 with 3 watt dead key.When amp keyed it keys 150 when slumps off to 125 and slowly comes back.Tubes are not top shelf.Is it a tube issue or a capasitor issue.Trying to educate myself.I respect electricity and have proper toys...