Combines the acoustic response of a traditional bell and diaphragm into a convenient one-sided chestpiece. New gasketed diaphragm enables the scope to achieve multi-frequency response simply by altering pressure. Light pressure produces bell-type
Combines the acoustic response of a traditional bell and diaphragm into a convenient one-sided chestpiece. New gasketed diaphragm enables the scope to achieve multi-frequency response simply by altering pressure. Light pressure produces bell-type
Combines the acoustic response of a traditional bell and diaphragm into a convenient one-sided chestpiece. New gasketed diaphragm enables the scope to achieve multi-frequency response simply by altering pressure. Light pressure produces bell-type
Combines the acoustic response of a traditional bell and diaphragm into a convenient one-sided chestpiece. New gasketed diaphragm enables the scope to achieve multi-frequency response simply by altering pressure. Light pressure produces bell-type