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the switch on the back of a hartke amp, filter ?

Discussion in 'Amps and Cabs [BG]' started by steve-o, May 8, 2002.

  1. steve-o

    steve-o Guest

    Apr 17, 2002
    i think it is a high pass filter or an low pass filter
    what do they do?
    should i put it on?
    which one is it do you know?
    i am at school so i can't look

  2. ZuluFunk

    ZuluFunk Supporting Member

    Apr 14, 2001
    There is a pre/post switch that allows the d.i. signal to be affected by the preamp eq or to bypass.
  3. JayPeaTea


    Jul 24, 2001
    The manual says:

    "4. HPF Off/On switch - When on, the very lowest (subsonic) frequencies output
    by your Model 2000 are filtered (removed), providing protection to connected
    speakers. As a result, speaker movement (excursion) will be reduced, thus
    significantly extending the life of your speakers.

    We recommend that you keep the HPF Off/On switch at the “On” position
    at all times unless you are specifically using the Model 2000 with speakers
    specifically designed for ultra-low frequency reproduction (i.e. subwoofers).
    Speaker damage (to Hartke transducers) will not be covered by
    warranty if it is determined to have been caused by over-excursion."


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