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Sounding alittle hollow with active switch on?

Discussion in 'Pickups & Electronics [BG]' started by Parkerblades, Apr 14, 2014.

  1. Parkerblades


    Feb 23, 2014
    I have a really nice jazz bass with a 18v 3 band preamp. Passive switch sounds great crystal clear. With the active on it sounds good but is really load and just a tad hollow sounding. Is this something I just need to work with a little more or is this common?
  2. jefkritz


    Oct 20, 2007
    iowa city, IA
    Could just be the 'active' sound. It's definitely different. Have you played other actives and not experienced this?

    not sure what you mean by 'work with a little more', but it's probably just a preference thing.
  3. Parkerblades


    Feb 23, 2014
    What mean I play with the setting a little more. This the first time I have played one with a preamp this hot. Thanks for your input.
  4. somegeezer


    Oct 1, 2009
    As with all problems with active. Have you first tried changing the battery?
    Otherwise, it's most likely just the different sound that active will give. If you're not used to it, I imagine it can be a little difficult to take in at first.
  5. Kael


    Dec 26, 2004
    Oklahoma City
    Sounds like the preamp has a baked in sound. Probably a mid scoop and/or a bass/treble boost. That would account for the "hollow" tone. Just keep in mind that with knobs set "flat" you might still have your sound EQ'd with the active switch thrown.
  6. Parkerblades


    Feb 23, 2014
    I don't think there is really anything wrong with the intrument. I come from play a fender pass so It might just take me some time to really dial in an active sound I like
  7. MCS4

    MCS4 Supporting Member

    Sep 26, 2012
    Fort Lauderdale, FL
    Does the active circuit have a gain control? It's usually a trim pot in the control cavity. Try rolling it back so that the volume in active mode is closer to the volume in passive mode. Sometimes differences in volume can make it sound like there is more of a tonal/EQ difference between active/passive modes than is actually the case.
  8. Parkerblades


    Feb 23, 2014
    Ok msc4. I will check that out.
  9. musicman666


    Sep 11, 2011
    Fiddle with the EQ on the bass..That's what it's for.
  10. FrenchBassQC

    FrenchBassQC Supporting Member

    Jul 13, 2011
    Gatineau QC CA
    Like MCS4 mentioned, try to lower the output gain of the preamp. Also, if the preamp is a cut and boost type, you should feel a locking position in the middle (should be flat at that position) when turning the knobs, start from that position and either boost or cut the different preamp knob frequencies to find your tone...