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Mesa 400+ Effects Blend Question

Discussion in 'Amps and Cabs [BG]' started by durdentk, Feb 24, 2008.

  1. durdentk


    Feb 16, 2008
    Hey guys I am just wondering if this is a normal occurance for the 400+. When the effects blend is turn up or on there is very noticable hum. This happens whether I have something plugged into the effects loop or not. It quiets itself as i turn the blend down, and once its off it is gone. I have a compressor I want to use so I need the blend at 10. Thanks!
  2. anderbass


    Dec 20, 2005
    Phoenix. Az.
    I've never experienced your hum issues with mine, but I'd first try cleaning your effects blend pot and the two fx-jacks with Deoxit. (you could also try repeatedly inserting a cord)
  3. durdentk


    Feb 16, 2008
    thanks man ill try that out

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