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JCM 800 - Large volume loss on low sensitivity input

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  • JCM 800 - Large volume loss on low sensitivity input

    I've lost a lot of volume & gain on the low sensitivity input, though the high sensitivity input is normal. Can someone tell if it's likely a tube issue, and maybe pinpoint me to whether it'd be preamp, and which position? It'd be cools.

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  • #2

    Disco Cat wrote:

    I've lost a lot of volume & gain on the low sensitivity input, though the high sensitivity input is normal. Can someone tell if it's likely a tube issue, and maybe pinpoint me to whether it'd be preamp, and which position? It'd be cools.


    My JCM800 (4010 Combo) is exactly like that....always has been.  I thought that was the norm?!?

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    • Disco Cat
      Disco Cat commented
      Editing a comment

      It's normal to have less, but I mean it's dropped a lot from its normal level. It's a lot less than half the volume of the high gain input, and I can't get distortion out of it with preamp cranked to the max, and both a boost and overdrive pedal out front.



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