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Double Bass String Spacing at the Nut and Bridge?

Calvin Marks

Supporting Member
Oct 22, 2017
790
620
Toronto
I'm curious what the rough ranges are for string spacing at the bridge and nut? I do mostly solo playing and have found that my set-up is a bit tough for my small hands, especially in the "money positions" like half or first position - it can be a bit tough forming octaves.

My bass is a Martin Solo Model with a 40" mensure. The spacing at the nut (measured from the midpoint of each string) is 11mm, and is 26mm at the bridge.

Any thoughts if I can go tighter at the nut and maybe have the neck trimmed down?

Cheers
 
For a 3/4 bass I use 10mm at the nut and 26.5mm at the bridge. I get the most accurate nut spacing by making pencil marks spacing the G and E at 30mm, making saw cuts and then filing the notches. Then, I use a divider to space the D and A. I prefer spacing center to center. It might vary a mm depending on fingerboard width.
 
For a 3/4 bass I use 10mm at the nut and 26.5mm at the bridge. I get the most accurate nut spacing by making pencil marks spacing the G and E at 30mm, making saw cuts and then filing the notches. Then, I use a divider to space the D and A. I prefer spacing center to center. It might vary a mm depending on fingerboard width.

thanks! I wonder what the tightest spacing could really be. I know a guy that uses 7cm and he uses Eudoxa so the strings have even more surface area - it must feel very easy to play. Curious how much it impacts sound. I know spacing at the bridge impacts sound quite substantially.