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9v or 18v?

Discussion in 'Pickups & Electronics [BG]' started by cloren, Feb 24, 2008.


  1. cloren

    cloren

    Nov 15, 2007
    san francisco
    what's the difference b/w 9volt and 18volt powered preamps?

    also, Im looking for an onboard preamp with a mid boost centered around 250 - i've heard good things about the aguilar obp-3 but thats centered around 400 i believe- any suggestions?
     
  2. bongomania

    bongomania Gold Supporting Member Commercial User

    Oct 17, 2005
    PDX, OR
    owner, OVNIFX and OVNILabs
    250 is pretty low. Most 3-band preamps won't offer that as an option. Your best best is a 4-band.

    Higher voltage can offer one or more of the following qualities:
    -higher signal level
    -lower noise
    -less distortion
    -longer battery life

    Which of those qualities you'll get from a given preamp depends on the specific design- it could be any of them.
     
  3. ArpeggiFish

    ArpeggiFish

    Feb 24, 2008
    18v gives you more "headroom" as said on EMG and other websites. No idea what it means though, probably more open sounding.

    Arpeggi
     
  4. Munjibunga

    Munjibunga Total Hyper-Elite Member Gold Supporting Member

    May 6, 2000
    San Diego (when not at Groom Lake)
    Independent Contractor to Bass San Diego
    You could get a J-Retro preamp, which has a sweepable mid. I have one in my JO5, and it works great.
     

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