badboy1984 Posted December 11, 2013 Share Posted December 11, 2013 (edited) I've got my jazz bass for ages now and I only just start to realise this problem. The E string sounds abit weird compare to my other bass. Don't know how to describe it but It sounds abit like a wah filter kinda effect when I turn the tone knob full on and hit the open string or fretted note. It does this on the A string as well. The bass is passive with volume, blend and tone knob, but it does the same when I had the J-Retro installed on the bass. The bass does hum when I convert it back to passive but I'm not too bother about the hum. The pickup on the bass is Dmarzio DP123 set. The bass had been setup perfectly and correct intonation as well. Edited December 11, 2013 by badboy1984 Quote Link to comment Share on other sites More sharing options...
SlapbassSteve Posted December 11, 2013 Share Posted December 11, 2013 Hmm, does it do the sound unplugged too? I'm inclined to say it'll be either the bridge or nut looking at. Also are the strings all wound to the bottom of the peg? Silly questions but it might be something like that as little things can make quite a difference! Acid test would be to restring it, I'd say there's a very good chance that'd fix it Quote Link to comment Share on other sites More sharing options...
booboo Posted December 12, 2013 Share Posted December 12, 2013 Try lowering the 'e' string side of the pick-ups? Quote Link to comment Share on other sites More sharing options...
PlungerModerno Posted December 12, 2013 Share Posted December 12, 2013 +1 for checking setup and string break angles at saddle and nut. Also I'd wonder about the strings. Could be a few things! Quote Link to comment Share on other sites More sharing options...
gary mac Posted December 12, 2013 Share Posted December 12, 2013 Last time I encountered the same thing (if I have understood your description correctly), it was due to the pick up being too close to the E & A strings. Like booboo suggested, lowering it a little sorted the problem. Quote Link to comment Share on other sites More sharing options...
LukeFRC Posted December 12, 2013 Share Posted December 12, 2013 could be: 1. Pickups too close to strings 2. string broken inside. 3. something wrong with the nut or bridge. 4. intonation is out. Quote Link to comment Share on other sites More sharing options...
Dom in Dorset Posted December 12, 2013 Share Posted December 12, 2013 I made my jazz do something similar (on G string) by setting the pickup too high. Quote Link to comment Share on other sites More sharing options...
Marc S Posted December 12, 2013 Share Posted December 12, 2013 [quote name='gary mac' timestamp='1386829159' post='2305020'] Last time I encountered the same thing (if I have understood your description correctly), it was due to the pick up being too close to the E & A strings. Like booboo suggested, lowering it a little sorted the problem. [/quote] This was my first thought, when I read your post too.... I had a hint of this problem, years back, on a Precision... Try lowering the pickups Let us know how you get on Good luck with sorting it Quote Link to comment Share on other sites More sharing options...
Geek99 Posted December 12, 2013 Share Posted December 12, 2013 No reason for a jazz bass to hum either. Mine is absolutely silent due to copper shielding and slight changes to wiring. Quote Link to comment Share on other sites More sharing options...
Dom in Dorset Posted December 12, 2013 Share Posted December 12, 2013 [quote name='Geek99' timestamp='1386838779' post='2305081'] No reason for a jazz bass to hum either. Mine is absolutely silent due to copper shielding and slight changes to wiring. [/quote] Mine is too, as far as I'm aware it's exactly as it was new (US 2006) Quote Link to comment Share on other sites More sharing options...
badboy1984 Posted December 12, 2013 Author Share Posted December 12, 2013 (edited) I will take a look on the string and pickup height. I know is not the bridge and the intonation and I haven't checked the nut to behonest. Is not obvious when unplug but when plug in ......... but it does sound a bit different when i plug the E string unplug. The hum thing i'm not too sure is it because the treble is abit too much or what but is not something I'm too bother about. I really love this jazz bass but when my part build P/J bass play much more nicer then my Fender ...... I'm not sure does pickup change will make a different or not. I'm still not too keen on these dmarzio dp123 set. Edited December 12, 2013 by badboy1984 Quote Link to comment Share on other sites More sharing options...
Geek99 Posted December 12, 2013 Share Posted December 12, 2013 [quote name='Dom in Somerset' timestamp='1386839988' post='2305101'] Mine is too, as far as I'm aware it's exactly as it was new (US 2006) [/quote] It used to hum loudly but took about an hour to solve Quote Link to comment Share on other sites More sharing options...
Grissle Posted December 13, 2013 Share Posted December 13, 2013 [quote name='LukeFRC' timestamp='1386831701' post='2305029'] could be: 1. Pickups too close to strings 2. string broken inside. 3. something wrong with the nut or bridge. 4. intonation is out. [/quote] I'll add twisted string to this list Quote Link to comment Share on other sites More sharing options...
badboy1984 Posted December 13, 2013 Author Share Posted December 13, 2013 Problem solve, it was the amp and the headphone that causes the problem. Is more like the amp actually. It plays perfectly and sounded perfect when I try I it on my main rig through the speakers. It only sound weird through the headphone on the little BA108. The buzz also cause by the BA108 as well ........ Quote Link to comment Share on other sites More sharing options...
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