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Trace AH250SMX pre-shape not staying on

Discussion in 'Amps and Cabs [BG]' started by ttyR2, Jan 5, 2009.

  1. Jan 5, 2009 #1
    ttyR2

    ttyR2

    Feb 23, 2003
    Athena, OR
    Should the Pre-shape circuit (which uses a momentary switch) "remember" its state when the amp is off? The EQ circuit does and it's activated by a momentary switch. The pre-shape resets to being off ever time the power is turned off. Any other TE owners out there able to verify how it's supposed to work?
     
  2. Jan 5, 2009 #2
    duff2

    duff2 Guest

    Dec 16, 2007
    Normal behavior for this amp at power up is EQ ON and PRESHAPES OFF, regardless of their on/off state when the amp was last shut down.

    That's a killer amp you have there. What cabinet are you using it with? I liked it best with a P-Bass and a 1x15.

    Cheers,
    Duff2
     
  3. Jan 5, 2009 #3
    ttyR2

    ttyR2

    Feb 23, 2003
    Athena, OR
    I'm scrounging around for a good clean 1518 and a 1048. Using a Cort bass through it at the moment.
     
  4. Jan 5, 2009 #4
    OxJohnson

    OxJohnson Guest

    May 28, 2007
    Atlanta, Georgia
    That is the behavior on mine too... the only thing that I don't like about it is the standby pop... but there is supposedly an easy fix for that.

    It is a KILLER amp and sounds VERY loud for the rated power.

    Good score!

    Ox.
     
  5. Jan 5, 2009 #5
    Kelly Lee

    Kelly Lee Yeah, I'm a guy! Supporting Member

    Feb 17, 2004
    Marana, AZ, USA
    +1

    That is just the way they work.