Bartolini 918F issue

Discussion in 'Pickups & Electronics [BG]' started by bssist, Apr 29, 2012.

  1. bssist


    Jun 23, 2007
    St. Louis, MO USA
    I have two Bartolini 918F preamps that I have been playing for over a year with no problems. EMG in one bass and Ibanez active pickups in the other. I have the 25k blend pots. I have had no problems until yesterday. I pulled the bass out at the gig last night and plugged it in only to find that the vol pot no longer gives a smooth increase in volume. It also is muddy (muffled sounding with no high end/note definition) until it hits about 5/8 full volume, where it seems a bit distorted and the high end is introduced into the signal.

    The battery is known good. The other preamp is working properly. The only thing I can think of is that I plugged into a strange system last week to play a benefit that was extremely loud. I suspect maybe the soundman sent 48v into my bass that damaged the pre and I couldn't tell because I was wearing earplugs and everything sounded very loud and distorted to me anyway.

    Does anyone have any experience or insight to share with me?


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