Tuesday, 27 March 2007
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Hi Sheldon, I am experiencing some buzzing on my A (mostly) and some on D and E strings. It is not so much in the lower freted notes, but up in the middle of the board. I think it is from fret wear as there are some nasty grooves in the frets. I'll try to post a pic. So, I raised tha saddles and adjusted the truss rod, but it keeps coming up the same. I don't want to have the frets leveled yet, (it's only a year old), So , should I try shimming the neck for a slight tilt outward? (instead of more relief?) Thanks Much, Bob Melnik
14 years ago
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#5563
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Hi Bob, Shims are only useful in lowering the action after you've exhaused all other means of adjustment. The problem you're having is most likely either frets (worn, loose or dented) or neck (humidity causing lumps). I doubt that it's humidity, but it's always good to check. Frets can come loose, you'd need a tech to check for and deal with that. I doubt your frets are worn enough to be causing buzzing, but that's a tech thing too. If you're not getting buzzing on the lower frets, try tightening the truss-rod until you do, then back it off until the lower frets clean up. Then raise the bridge by 1/2 turn per screw at a time. Factory spec on neck relief is .020" to .030" measured at the 7th fret.
14 years ago
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#5564
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I'm basically having the same issue. Line of site from the bridge to headstock looks good with no apparent bumps from humidity. Appears to have perfect fall away. The action was just over 3/32" using the Stew Mac action guage on the B string. Relief was between .20 and .30. I'm getting buzzing in the middle of the neck if I dig in just a little too hard. It seems to have clean attack then the bloom buzzes. Today I went ahead and turned the TR 1/16th to loosen for more relief. This made the middle of the neck buzz worse. So I tightened it back up and raised the saddles 1/4 turn. The Bstring's at 4/32 right now and is a little better. It's got similar firmness of new strings. EDIT: It just didn't feel right so it's back down to 3/32nds. My layman's eye's see that the middle frets have leveled out perfectly, low, wide and flat with no grooves. But some frets still have a little crown left on them. Forgive me if this is a dumb question Sheldon but is it possible to get a DW with not so crowned frets/flatter? Thank you
14 years ago
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#5567
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Ideally you want as much crown as possible for proper intonation. This goes out the window as frets wear though. When you get your frets leveled and re-crowned there will naturally be a flatter top contour. Wear is wear, harder frets will shift the wear to the strings, so you'll be wearing out $50.00 sets of strings faster. That is going to make fret work look cheap by comparison. I'm thinking the easiest solution is to lighten up on the left hand pressure. The second solution may be in lubrication. I tried rubbing a little paraffin on some frets and comparing vibrato on the lubed frets vs dry frets. There is a noticeable difference. The only problem is that paraffin is messy. I'll keep working on it.
14 years ago
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#5572
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Thank you Sheldon for helping us out. There are places up near the end of the neck that you can't reach so those frets stay more crowned. It's not really an issue until you start noodling near the 15th fret. I manually flattened the high frets out by pushing the string down on the fret and move the string back and forth to get those frets to flatten out like the middle of the neck. I had a bass with SS frets and I was using SS Prosteels. I found that the combination helped preserve each other. Both resisted wear nicely. After 2 years of playing the frets looked brand new except for the low F had a very slight wear mark. I don't do alot of bending but it was smoother to bend SS on SS. I use a medium pressure with my left hand. I keep the action as low as possible so I don't have to dig in and fret hard. High action makes me hit harder. I wouldn't want to use wax. Wouldn't that take away from the tone of the string quicker? I'm about to order my 2nd ABII-5 but I'd like to see if there might be a possible solution to nickle fret wear. I really don't want anyone else to work on my ABII-5. I've even thought about a fretless. Maybe even fretless and having a Luthier here in town install SS mando frets. Eh... As you know Sheldon Houston is one of the best places on the planet to test bass gear, just ask Frank M. :D . I would glady test/purchase your first SS ABII-5.
14 years ago
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#5612
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[quote="Sheldon Dingwall":29iqvctk]Ideally you want as much crown as possible for proper intonation. This goes out the window as frets wear though. When you get your frets leveled and re-crowned there will naturally be a flatter top contour. I'll keep working on it.[/quote:29iqvctk] Sheldon have you had a chance to check in to anything yet? I'll gladly test a SS AB if you change your mind. :)
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