Combination adult size chest piece precisely machined to exacting tolerances from surgical stainless steel for outstanding performance and rugged durability
Extra large bell(1 3/8 “diameter) for unsurpassed low frequency response
Ultra-sensitive diaphragm(1 7/8 “diameter) for greater amplification and crisper high frequency response
Non-chill bell and diaphragm retaining rim for patient comfort
Stainless steel binaural with double leaf internal spring fixed at 15deg angle for greater comfort
Reinforcing yoke molded into flexible 22 “pvc “y” tubing
