Saturday, 14 November 2009
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Hi Sheldon, Happy to say I've just received my brand new, buckeye-burl top, ABII5 #4178 from Hanif and it's a total stunner, but I'd like to be able to get the action down a bit lower than seems possible, especially on the G string. The neck is already pretty flat and the bridge screws are screwed right in, but the string height is still 2-3mm off the 24th fret. I noticed that the bridge saddles have a bit of vertical movement in them when loosened off, would it be worth adding a thin slice of metal on the tops of the wings so they lock in a touch lower than standard? Or maybe file 1-2mm off the top of the bridge saddles? (Pity about the paint!) Will keep adjusting the tross-rod to see if I can get it flatter, but it might just need a little custom tweaking to get it how I'd like. Such a great neck, I'd really like to make the most of it! :) Cheers, Justin
12 years ago
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#14946
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Shim the neck! Sheldon can provide you with a piece of MDF that's cut for the neck pocket. I did it on my ABII and it's perfect. With the shim in place I was able to easily set it up to Prima specs. It plays like buttah! :D
12 years ago
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#14954
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I guess shimming the neck would be the best option, but it's a bit of a rub that I have to do it on a brand-new bass... Sheldon - is this the best approach? Is it practical to make/fit a 1-1.5mm shim? Any more width would probably compromise the adjustment range of the other strings. And if so, how can we get it happening? Do you keep neck-pocket templates around for recent production basses? Shipping the bass back to Canada is hardly an option. :) Cheers, Justin
12 years ago
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#14955
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[quote="evilgus":1qn7vb3h]I guess shimming the neck would be the best option, but it's a bit of a rub that I have to do it on a brand-new bass... Sheldon - is this the best approach? Is it practical to make/fit a 1-1.5mm shim? Any more width would probably compromise the adjustment range of the other strings. And if so, how can we get it happening? Do you keep neck-pocket templates around for recent production basses? Shipping the bass back to Canada is hardly an option. :) Cheers, Justin[/quote:1qn7vb3h] I'm pretty sure the variances occur because of the final hand finishing. I used a #1 shim on my Combustion and it worked well. The #2 shim was too thick. You should try it. Mark
12 years ago
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#14956
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[quote="evilgus":2on6yr3z]I guess shimming the neck would be the best option, but it's a bit of a rub that I have to do it on a brand-new bass... Sheldon - is this the best approach? Is it practical to make/fit a 1-1.5mm shim? Any more width would probably compromise the adjustment range of the other strings. And if so, how can we get it happening? Do you keep neck-pocket templates around for recent production basses? Shipping the bass back to Canada is hardly an option. :) Cheers, Justin[/quote:2on6yr3z] Hi Justin, Here are the action and truss-rod specs as it left the shop. Truss-rod measured at the 7th fret - .015" - .020" (.4mm-.5 mm) Action measured over the 12th fret G - 1/16" (1.6mm) A - 5/64" (2 mm) B - 3/32" (2.4 mm) The D and E strings are adjusted visually to create a smooth arc over the pickups. This is a pretty low action - in the electric guitar range. With some tweaking, it could go as low as 1/64" (.4mm) lower on each string. 1/8-1/4 turn on the truss-rod would likely do it. Any lower and you'd have no dynamic range. Email me your mailing address and I'll send you a shim. It's machined to the shape of the neck pocket and tapered along it's length. It will lower your action by appoximately 1/32" (.8mm).
12 years ago
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#14959
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Thanks Sheldon, I'll check the measurements on the bass and see if it just needs to settle a bit more, or needs another truss-rod tweak. A 1/32 shim still sounds like a handy thing to have and would give me more adjustability, so will send my address too. P.S: Absolutely *love* passive mode and the HTC! :) Cheers! Justin
12 years ago
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#14961
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[quote="Sheldon Dingwall":62fm2hr1]Hi Justin, Here are the action and truss-rod specs as it left the shop. Truss-rod measured at the 7th fret - .015" - .020" (.4mm-.5 mm) Action measured over the 12th fret G - 1/16" (1.6mm) A - 5/64" (2 mm) B - 3/32" (2.4 mm) [/quote:62fm2hr1]Hi Sheldon, Just checked the measurements and it's currently more like 2.5mm on the G and 3mm on the A at the 12th. Will spend some time tweaking the truss-rod, the change in climate and trip across the globe has obviously led to a bit of bow-up. Still send me the shim though. :) Cheers, EG
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