preamp

I was replacing the battery in my Corvette FNA today and I noticed two little blue boxes with white tops that can be adjusted with a screwdriver. I've seen these on other electronics but I don't know what they do for the bass or if I should mess with them. Anyone have any idea as to what they...

Anyone knows how does Warwick (or any other company for that matter) choose a 2-way or 3-way onboard preamp for a specific bass model? Also what are the main differences between 2-way and 3-way preamps from your experience?

Hello Warwick massive, got a question. I have a FNA Jazzman and she is a beauty! (I'll have to post some pics up soon). The Active Seymor Duncan Pre-amp allows me the extra slap contour EQ when I push the volume knob up, however I don't actully feel the need for this and would benefit alot...

My new wonderful Triumph Upright is acting weird some times.. Some times it sounds like the pickups doesn't get any power from the battery. Distortion like the battery power is low... I've changed the battery but no diffrence. Changed cabel but no diffrence. Changed bass and...

I am a frequenter of the www.talkbass forum. I was poking around there and I stumbled on a thread where people were talking about the pre-amps distorting but more so on low notes. One poster even went on to say that was probably what contributes or is the main ingredient to the Warwick growl...

I'm finding the pre-amp in my new Corvette $$ to be a bit noisy, and not very precise (compared to what I was used to on my Specter). Anyone have any recommendations for an "upgrade" for it that wouldn't require major work? Also, Anyone tried EMG pickups? are they worth the money, if I'm...

Perhaps this is a borderline case for the "vintage" forum, but I'm hoping to tap the knowledge of those who might have experience with an older Warwick. I have an old '90 Streamer, afzelia with yin-yang inlays and green LEDs so clearly a forerunner of the official "Stage II" model. Of the...