A Stewart-MacDonald exclusive, long-awaited replacements for the A-style tuners used by Gibson and other makers from the 1910s until 1925. The "worm gear under string post" configuration and wider vintage post spacing is ideal for restoring older mandolins and improving their tuning, and for making modern replica instruments more authentic. Our relic nickel finish version has the right look to complement vintage hardware.
"People who build replica instruments or who do restoration or repair work are just going to love these." —Frank Ford, vintage instrument repair expert
Special note about string spacing! These tuners feature historically-correct (1910s-1925) .931" string post spacing. This is wider than standard .906" (29/32") spacing. Please measure your mandolin's string post spacing before you order.
Steel baseplates feature the original early 1900s shape, incised "tread stripes," and vintage-style square riveted worm supports. Each set includes 4-left / 4-right tuners with 1920s-style mounting screws and press-fit peghead bushings.
Gear ratio
15:1
Bushing diameter
.283" (7.19mm)
String post diameter
0.236" (6mm)
String post spacing
Early 1920s .931" (23.65mm)
These replica tuners have special spacing for vintage Gibson and other makes before World War II. Please be aware that our standard spacing drill jig will not align accurate holes for these tuners.
To be sure these tuners fit your instrument, compare your existing machines and peghole dimensions to our listed specs to help determine the best replacement.
To add items to your saved list, select the check boxes next to the items you want. You can edit the quantity you wish to save here, or in your Saved List.
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