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-   -   5 strings on a 4 string neck (bridge question) (http://www.talkbass.com/forum/f18/5-strings-4-string-neck-bridge-question-1039667/)

 ZackLow 12-20-2013 04:25 PM

5 strings on a 4 string neck (bridge question)

So, I'm going 5 string on a 4 string neck (1.75" nut). Am I going to need to build/ frankenstein a bridge or are there any bridges out there with a narrower string spacing that will work?

I'm at work right now, so I dont have a chance to measure my current bridge or string spacing or the spacing i will need but i will post that info later if needed.

EDIT: current string spacing is .578125 and will need to be .4625

 RBS_Johnson 12-20-2013 05:34 PM

I think you will need to measure it up and post what it is currently. That will give everybody an idea of what the spacing will be with five strings.

 ZackLow 12-20-2013 06:26 PM

5 strings on a 4 string neck (bridge question)

By my calculations the string spacing will need to be approximately .4625" center to center. Current spacing is approximately .578125" center to center.

 RBS_Johnson 12-20-2013 07:12 PM

I will use metric on this, because I find it easier.

Your current spacing is .78125" ~ 19.84mm
19.84mm x 3 = 59.92mm (four strings means three gaps between them)
59.92mm / 4 = 14.88mm (four gaps for five strings)
14.88mm ~ .586"

Seems to me you need roughly 15mm spacing, which I have heard of some bridges pulling off. There are a few adjustable ones(Kahler makes one), or you could go with the individual bridges(sometimes called monorail bridges).

If anybody sees anything off in my maths just say so. I don`t want Zack to get the wrong bridge because I fat fingered a number somewhere.

 RBS_Johnson 12-20-2013 07:20 PM

Just saw the corrected spacing you edited in. That changes things, a lot.

I`m getting about 11mm final spacing, or about .433. I rounded a bit this time.

 ZackLow 12-20-2013 07:31 PM

Quote:
 Originally Posted by RBS_Johnson (Post 15273633) Just saw the corrected spacing you edited in. That changes things, a lot. I`m getting about 11mm final spacing, or about .433. I rounded a bit this time.

Haha. Sorry about that. I missed a number. Thanks for the help. Seeing how the 15mm spacing may have been difficult to find, I'm guessing making something is going to be my best bet.

 RBS_Johnson 12-20-2013 08:35 PM

Unfortunately I think you may be right. That should not stop you from looking though. There is always a chance somebody out there is making what you need, or could point you in the right direction for getting/making it.

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