Oscar Schmidt OS10021 Autoharp 21 Chord Centurion with Solid Spruce Top Natural patchbays This all-analog frequency doubler has

This all-analog frequency doubler has an on-board low pass filter control that allows you to achieve singing octave up tones

The silver Heavy Duty Clamp for 50 mm Tubing from Global Truss is compatible with the F31/F32/F33/F34/F44P trusses

The compact design makes it easy to integrate even into the most cramped of rooms

organized presentation on stage

Oscar Schmidt OS10021 Autoharp 21 Chord Centurion with Solid Spruce Top Natural patchbays This all-analog frequency doubler hasThe Centurion OS100 has the purest overtones of any Autoharp that we offer. It features a solid spruce top, mahogany back, and a laminated rock maple pin block to ensure it is always in tune.