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OBP3: 9 or 18 volts?

Discussion in 'Pickups & Electronics [BG]' started by erikjrnk, May 3, 2005.


  1. what is the difference soundwise between an OBP3 9 or 18 volts?
     
  2. EricTheEZ1

    EricTheEZ1

    Nov 23, 2004
    Clawson, MI
    Supposedly, it allows you to boost a signal more from it's original position and give more headroom and more dynamic frequencies. I just got done doing it to my bass and I didn't notice anything significant, but I guess I'm in the minority.

    Also, I don't have an OBP-3. Just stock EMG 35J's.

    -Eric.
     
  3. David Wilson

    David Wilson Administrator Staff Member Administrator Supporting Member

    Oct 14, 2002
    Lower Westchester, NY
    yup, it'll give you more headroom. Letting you boost more bass/mids, but IMO it doesn't make any difference to the sound.
     
  4. I have a OBP-3 in my Amer. Deluxe Jazz bass running at 9 volts. Plenty of boost and no need for routing more room for a second 9v. I still wonder what it would sound like running on 18v though
     
  5. EricTheEZ1

    EricTheEZ1

    Nov 23, 2004
    Clawson, MI
    I also wonder if my experience going from 9V to 18V was tainted because even though I have active EMGs, I only have tone knobs for each of my pickups. Not EQ based, but passive tone based off an active pickup. Always wondered why EMG does that.

    -Eric.
     
  6. Funky Doctor

    Funky Doctor

    Aug 28, 2003
    Australia
    I run mine at 9 volts. No problems here.
     
  7. dcr

    dcr Supporting Member

    Ran mine at 9V as well. No probs either,


    dcr