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Thread: GP3preamp mod question

  1. Default GP3preamp mod question

    Hey guys, I just had a tech do the gain mod on a gp3 preamp and now the red channel is going into protect mode. He said he has replaced preamp tubes where he though it was pertinent but itís still happening. Is their any one who has had a similar issue and knowledge on correcting the problem? Thanks in advance for any helpful input

  2. Default

    Quote Originally Posted by grindgod View Post
    Hey guys, I just had a tech do the gain mod on a gp3 preamp and now the red channel is going into protect mode. He said he has replaced preamp tubes where he though it was pertinent but itís still happening. Is their any one who has had a similar issue and knowledge on correcting the problem? Thanks in advance for any helpful input
    Also does anyone know which relays are associated with the red channel? Thanks

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