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1990 Warwick SS1 pick up suggestions

Discussion in 'Pickups & Electronics [BG]' started by subisina, Feb 27, 2008.


  1. subisina

    subisina

    Feb 6, 2007
    Croatia
    Hey guys,
    I own 1990 Warwick Streamer Stage 1 with EMG's PJ pick ups and Aguiliar OBP 1 electronics. I have this buzz I can't get rid of. I really tried everything from resoldering to shielding, grounding, changing the amps I plug it in... I mean everything. I tried other basses in the same conditions when the buzz appears (light switch dimmers- when set to on and off position no problem but when the light is dimmed the buzz appears, TV on...) and they were all dead silent (Musicman Stingray, some Aries model, Yamaha TRB...). I thought then the problem lies in electronics or pick ups (maybe they are too old or 'overused' if it is possible) but I was very unpleasently surprised when I came upon other Warwick bass (Corvette Proline with Mec's electronics and pick ups) and the buzz appeared again (is it possible that I came upon two Warwick basses with the same problem accidently?). Is this something about Warwicks or about pick ups or electronics, I really can't figure it out and I really like the sound of my bass. I would like to replace the Emg's with the new EMG's PJ set and EMG's BQCsystem instead of Aguiliar OBP 1 or maybe just one of these that is not functioning right but what should I do to find where the problem lies. Is it possible that these pretty apreciated instruments have such a fault - I didn't hear anybody complaining about this at Warwick forum.
     
  2. SurrenderMonkey

    SurrenderMonkey

    Aug 18, 2006
    Liverpool
    Was the buzz appearing recently? Is it buzzing when you play, or continuous? When by-passing pre-amp? when you touch the strings (or when you dont touch them)? Only when you pan to one particular pickup?

    Could be anything. bad grounding, faulty pre, faulty EMGs, faulty jack, wiring gone bad, or even some noise coming from the trussrod or the quick release straps (had a noise like that, more like a rattle). Check the jack and grounding (ohm meter), bass unplugged. Ultimately, swap electronics or the jack barrel with another bass. It is possible that the proline suffered the same problem (or another). there's nothing inherently wrong with warwick electronics (or in your case EMGs and Aguilar). If it is healthy it shouldn't buzz.

    Take it to a tech? :)
     
  3. subisina

    subisina

    Feb 6, 2007
    Croatia
    It doesn't buzz all the time. Only in some situations I mentioned and the most extreme one is when I play in a room with light switch dimmers (not the conventional on-off switch but dimmer). I noticed it at home as well when I turn the TV on but then it is not so loud. It is always in close relation to some electricity consumer because I play for a certain period with no problems and then some consumer turns on and the buzz appears (the only case I figured it out is with these light dimmers and TV ) and then I just can find the position with my body when it doesn't buzz so much and play like that not turning at all (interesting, isn't it?).
    I already checked it all with ohm meter and everything is 0 - 0.05 (strings, bridge, cavity...), so it is fine. Cutting the high frequency helps a lot but imagine the sound then...
     
  4. SurrenderMonkey

    SurrenderMonkey

    Aug 18, 2006
    Liverpool
    Sounds like a case of electrical interference. I'd say the likely culprits are the pickups. Your EMG pickups are active unlike your other basses. But I'm no specialist, waiting for someone to chime in. Maybe a simple shielding job would improve the situation. How is it shielded? Conductive paint or copper foil? iirc, warwick uses paint.
     
  5. mongo2

    mongo2

    Feb 17, 2008
    Da Shaw
    The dimmers and TV is a dead giveaway that it's a picking up RFI/EMI radiation from those sources. Shielding is the usual fix but it has to be done right.

    I will say one thing though, I use EMGs right in front of my TV and at a distance of over 3 feet there is no noise whatsoever and that's without any sheilding in the cavity at all so maybe there's something up with the pickups, preamp, or wiring.
     
  6. subisina

    subisina

    Feb 6, 2007
    Croatia
    Thanks people, it's helpful
     
  7. Just a note - EMG should not have the bridge ground wire hooked up. Just a thought.
     
  8. subisina

    subisina

    Feb 6, 2007
    Croatia
    Yes, I know. But nevertheless I put it. It can do no harm (I suppose)
     
  9. mvw356

    mvw356

    Mar 2, 2006
    Brussels
    i'm no expert on emg's but grounding is usually why the electronics buzz. if you already know that a particular ground cable shouldn't be attached then maybe it really shouldn't be attached.
     

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