Jew's harp, large, Masterskaya Potkina "Guimbarde" Russe

Masterskaya Potkina

Brass.
The gaps between the tongue and frame: 200-300 microns.
Base frequency: 75-85 Hz.
Stiffness of the tongue: 70-90.
Stiffness of the frame: 800-1100.
Tongue sizes: 75 x 20 mm.
Sizes: 85 x 35 x 6 mm.
Weight: 35g.