The Krentz Modulator changes, rather than absorbing vibrations from the top of the cello. As a result, there is no depreciation in sound quality. Rather, the device actually increases the efficiency of the instrument, allowing the musician to subtly control important aspects of the instrument’s tone.
*In very rare cases, the handmade varnish made by a small number of modern makers is very soft and does not fully cure for years. This is likely not intentional. These instruments may develop a mark on their soft varnish. These marks can be French polished out, but further use of the Modulator is at the player’s discretion.
Designed to fit an f-hole with the following size:
Violin 8.3mm | Viola 9mm | Cello 14.1mm| Bass 22mm
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Free Returns, Lifetime Warranty
To our vendors: All vendor purchases of the Krentz Modulators are for in-store sales only. Online sale of this product is not permitted on any website other than Krentz String Works