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Carlsbro Colt 45k circuit diagram needed

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  • Carlsbro Colt 45k circuit diagram needed

    Hello,

    I've got a Carlsbro Colt 45k amp and the transistors I think are wrong in the power amp. I've tried scouring the internet a number of times and contacted several people including Carlsbro themselves and got little information.

    Is there anyone who could offer the wiring diagram for the power amp on this model or even the 45L (as I'd imagine the power amp would be the same)?

    Many Thanks

  • #2
    try Carlsbro Musical Instrument they used to have a forum
    this may help you, even though its the wrong model, much of the circuit may be the same.
    If the power devices are TO-3, then you cant go wrong with 2x 2N3055.

    As always, first check all power supply rails, op amps & power amp, deoxit in all 1/4 jacks, plug 1/4" cables in & out of all jacks several times......

    good luck
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    • #3
      Thanks for that. Unfortunately the Carlsbro forum is no longer running.

      Hopefully your info and the diagram should help.

      Cheers

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