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Pearce G1C Billy Sheehan DIY-mod wiring?

Discussion in 'Amps and Cabs [BG]' started by paavo, Apr 23, 2009.

  1. paavo


    Mar 24, 2009
    Hello my fellow bass masters!

    I'm working out famous BS mod to Pearce G1C preamp for my friend.
    He gaved me schematic for mod, but it's designed for BC-1 preamp. You can download schematic from: http://clients.hevi.net/?key=5e091978f2f9faa31616f14268e42371

    At the moment I have ready made breadboard, but couldn't understand wiring. Only colored wires goes from preamp pcb to backplane connectors, but Brown, Orange and Green wires are all connected parallel and as far I understand they all are connected to the ground.
    If I should connect mod to these wires, should I cut wires or connect them parallel?
    Any more advices? Also BC-1 schematic might be very useful to discover this out.

    Thanks in advance,
  2. paavo


    Mar 24, 2009

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