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HB1 Bass Tuning Machine
Replace those sloppy, worn out tuning machines with a set of Hipshot American Classics. The HB1 is a direct replacement for the Schaller® BM tuner traditionally featured on MusicMan® and G&L® basses. Many independent custom builders choose this tuner as well.
Robust stamped and machined steel construction
27:1 tuning ratio
Fits 11/16" (17.5mm) headstock holes
Adjustable tension nylon bearing system
Reversible shaft for treble or bass side
Comments from forums and Reddit
Discussed in Sterling by Music Man has been upgraded too! in the TalkBass community
May I recommend the Short Key version of the Hipshot HB1. HB1 Bass Tuning Machine Although the holes don't match, the base plate will cover the holes of the SBMM tuners, but the short key is much more the MM aesthetic and you also get the tapered posts: [image] ... more
Discussed in The Sterling By MusicMan SUB Ray 4 and 5 Club!!!! in the TalkBass community
The Hipshot HB1 might fit the existing holes. They have detailed measurements on their site, showing distance between all screw holes etc., for all their tuners, so you should be able to measure yours and see if this or another model would fit. HB1 Bass Tuning Machine ... more
Hipshot make a direct drop-in replacement for the schallers in a short stem format: HB1 Bass Tuning Machine ... more