My amp is quiet on A's

Discussion in 'Amps and Cabs [BG]' started by MattZilla, Sep 10, 2017.

  1. MattZilla


    Jun 26, 2013
    I know this should be stuck in the portaflex thread being that it concerns a 70s B15n, but here we is.

    I had assumed that, back when I had but one bass, a J, because I was jamming in similar sized rooms, it was the room's fault that I'd have to be very light when touching E's, and moderately gentle on the other ten notes to have A's not totally disappear. I then went through a few other basses (EB, Vette, P) and tunings, same problem, same fix. It's all of the A's on the fingerboard regardless of string gauge and tuning. Been playing in a far smaller than usual room lately and a stupid large hall, and in both places the problem persists.

    Is it the Thiele cab? Does the amp itself need to be looked at by someone more qualified than a Lockheed engineer moonlighting as an enthusiastic Ampeg hobbyist (the guy I had swap the caps and tubes a few years back)?
  2. Can you take your bass someplace where you can try it with a different amp?
    You've tried multiple basses, which would seem to point towards the amp.
    However, to fully confirm if it is the amp or not, you should try another.
  3. BassmanPaul

    BassmanPaul Inactive

    My B15 is even across the fretboard. Perhaps your amp doesn’t like Canadians eh! :)
    MattZilla likes this.
  4. BassmanPaul

    BassmanPaul Inactive

    Does the same thing happen with other amplifiers?
  5. MattZilla


    Jun 26, 2013
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