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  • Old Gibson Amp

    I have a Gibson electric guitar amplifier that is old and is having problems. If I could get a couple of things it would be great.

    1. A schematic for the amplifier. The only information I can give you is that on the from the amplifier it reads "Gibson Electric Guitar Amplifier SKYLARK" with skylark being in bold letters. There are 2 jack connections with a volume knob, tone knob, and Off-On-Polarity switch. The speaker in the back has a tag on the back that reads SKYLARK with the number 4276 it and the cable connections to it are green and black. I have checked with Gibson and they do not have a schematic for it.

    2. Does anyone have a troubleshooting guide for typical things to look for on this amplifier?

    3. If I am unable to identify the problem and fix it do you know where I could send the amplifier to get it fixed in the Houston, TX area?

    Justin

  • #2
    1. A schematic for the amplifier.
    http://www.schematicheaven.com/gibson.htm
    http://www.schematicheaven.com/gibsonamps/ga5.pdf

    2. Does anyone have a troubleshooting guide for typical things to look for on this amplifier?
    http://www.geofex.com/ampdbug/ampdebug.htm
    See the birth of a 2-watt tube guitar amp - the "Dyno Tweed"
    http://www.naturdoctor.com/Chapters/Amps/DynoTweed.html

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    • #3
      What problems are you having?

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