Medium Scale Hamer 12-string basses with a sound hole.

B12M Medium Scale Semi-Hollow Body

Hamer B12M Semi-Hollow Body 12-String Bass - Cherry Sunburst Ultimate Flame Finish.

Hamer B12M Semi-Hollow Body 12-String Basses

The Hamer B12M 12-string bass combined the body style of the B12S and the headstock of the B12A with a 32" medium scale neck and dual truss rods. The Semi-hollow body B12M basses incorporated a single f-hole into the body design.

Ebony Fingerboard

Double Bound with Bound F-Hole

Hamer B12M Semi-Hollow Body 12-String Bass - Aztec Gold Finish.

Hamer B12M Semi-Hollow Body 12-String Bass - Brown Sugar Finish.