A stethoscope in a class of its own for the auscultation of adults and children

• Considerably improved acoustics in all relevant frequency ranges
• Double chest-piece made of either stainless steel or light weight aluminium
• Special membranes on both sides, 48mm and 36mm
• Smooth adaptation of the chest piece with the help of non-chill rims
• Matt chromium-plated binaural with integrated reinforced double spring
• Extra-soft, replaceable ear-tips with metal screw thread for comfortable and effective sealing of the external auditory canal
• Extra-strong Y-tube made of PVC for shielding against undesired stray sounds
• Latex-free
• Overall length: 77cm
• Duplex de luxe is supplied with two pairs of replacement ear-tips, a replacement membrane each and a name plate

Duplex De Luxe: Frequency analysis:

• 20Hz - 100Hz max. 3.6dB at 100Hz
• 100Hz - 1,500Hz max. 21.7dB at 300Hz