Re: String sizing and tension for an OM
Is there a reason you are going with solid strings for the second course? Most OM’s use wound strings there. I believe D’Addario’s J80 set would be good for your scale length. Those are .012, .022w, .032w, .046w. It is my belief that balanced tension across the bridge is important for consistent tone. It’s usually impossible to get them absolutely equal but I like no lower than 20 pounds per string and no more than 23. The above set fits the bill but the E course is a little light at 17 pounds. I might go up to .013 there. That would give us total tension of around 166 pounds give or take. I think any properly constructed instrument should be able to handle that easily.
Don
2016 Weber Custom Bitterroot F
2011 Weber Bitterroot A
1974 Martin Style A
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