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
Combination adult size chestpiece 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
Combination adult size chestpiece 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
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
Unique design that combines the acoustic response of a traditional bell and diaphragm into a convenient one-sided chestpiece. Bell-type low frequency response is achieved by simply holding the chestpiece in place with light pressure. Firm pressure
Unique design that combines the acoustic response of a traditional bell and diaphragm into a convenient one-sided chestpiece. Bell-type low frequency response is achieved by simply holding the chestpiece in place with light pressure. Firm pressure
Unique design that combines the acoustic response of a traditional bell and diaphragm into a convenient one-sided chestpiece. Bell-type low frequency response is achieved by simply holding the chestpiece in place with light pressure. Firm pressure
Unique design that combines the acoustic response of a traditional bell and diaphragm into a convenient one-sided chestpiece. Bell-type low frequency response is achieved by simply holding the chestpiece in place with light pressure. Firm pressure
Stainless steel construction for rugged durability. Combination chestpiece precisely machined to exacting tolerances for outstanding acoustic performance. Extra deep bell for unsurpassed low frequency response. Non-chill bell and diaphragm ring for
Stainless steel construction for rugged durability. Combination chestpiece precisely machined to exacting tolerances for outstanding acoustic performance. Extra deep bell for unsurpassed low frequency response. Non-chill bell and diaphragm ring for
Stainless steel construction for rugged durability. Combination chestpiece precisely machined to exacting tolerances for outstanding acoustic performance. Extra deep bell for unsurpassed low frequency response. Non-chill bell and diaphragm ring for
Stainless steel construction for rugged durability. Combination chestpiece precisely machined to exacting tolerances for outstanding acoustic performance. Extra deep bell for unsurpassed low frequency response. Non-chill bell and diaphragm ring for
Stainless steel chestpiece and binaurals designed for optimal weight and durability. Dual-channel PVC tubing provides separate sound pathways to each ear. Triple-leaf binaural spring encased in polyurethane permits size adjustment while preventing
Stainless steel chestpiece and binaurals designed for optimal weight and durability. Dual-channel PVC tubing provides separate sound pathways to each ear. Triple-leaf binaural spring encased in polyurethane permits size adjustment while preventing
Combination chestpiece precisely CNC machined to exacting tolerances from ultra-lightweight aluminum alloy. Extra-deep bell for unsurpassed low-frequency response. Ultra-sensitive diaphragm for greater amplification and crisper high-frequency
Combination chestpiece precisely CNC machined to exacting tolerances from ultra-lightweight aluminum alloy. Extra-deep bell for unsurpassed low-frequency response. Ultra-sensitive diaphragm for greater amplification and crisper high-frequency
Combination chestpiece precisely CNC machined to exacting tolerances from ultra-lightweight aluminum alloy. Extra-deep bell for unsurpassed low-frequency response. Ultra-sensitive diaphragm for greater amplification and crisper high-frequency
Combination chestpiece precisely CNC machined to exacting tolerances from ultra-lightweight aluminum alloy. Extra-deep bell for unsurpassed low-frequency response. Ultra-sensitive diaphragm for greater amplification and crisper high-frequency
Combination chestpiece precisely CNC machined to exacting tolerances from ultra-lightweight aluminum alloy. Extra-deep bell for unsurpassed low-frequency response. Ultra-sensitive diaphragm for greater amplification and crisper high-frequency
Combination chestpiece precisely CNC machined to exacting tolerances from ultra-lightweight aluminum alloy. Extra-deep bell for unsurpassed low-frequency response. Ultra-sensitive diaphragm for greater amplification and crisper high-frequency