HELDER Recorders by Mollenhauer wiesner Kunath's Solo Series instruments are

Kunath's Solo Series instruments are made of Resona-plastic and manufactured on professional 3D printers

an installed adjustable thumb rest

a support spike

while preserving many tonal and playing characteristics of the original

HELDER Recorders by Mollenhauer wiesner Kunath's Solo Series instruments areThese luxuriously equipped solo alto and tenor recorders were developed by recorder maker Maarten Helder especially for today's demanding players. This instrument is intended for the professional performer of nineteenth and twentieth century music. Four Part Adjustable Sound Unit Adjustable Block: By adjusting a screw on the back of the recorder head joint, the height of the windway exit can be varied by raising or lowering the block in place. The