Classic stethoscope duplex with aluminium chest-piece Riester

Duplex®: Frequency analysis

20 Hz – 100 Hz max. 3.6 dB at 100 Hz

100 Hz – 1,500 Hz max. 21.7 dB at 300 Hz

Duplex® is the high-grade Riester quality stethoscope with precision double chest-piece:

• The acoustic performance has been considerably improved. 
• Double-headed chest-piece available in two types: chromium-plated brass or specially lightweight aluminium, galvanized.
• Special membrane for perfect auscultation, Ø 48 mm, with particularly flat and soft non-chill rims for improved adaptation on the skin.
• Bell, Ø 36 mm.
• Overall length: 77 cm.

Duplex® is supplied with a pair of replacement ear-tips and a replacement membrane.

Made in Germany.

The duplex®-stethoscopes from Riester impress through first-class quality at an attractive price.

1. They offer practical solutions for the daily challenges encountered in office practices and hospitals. 
2. Considerably improved acoustic performance. 
3. Precision double chest-piece for perfect auscultation, with Riester special membranes and bells.
4. Matt chromium-plated binaural, which can be adjusted by turning. 
5. With external spring.
6. Soft, replaceable ear-tips with metal screw thread for comfortable and effective sealing of the external auditory canal.
7. Strong Y-tube made of PVC to shield against undesired stray sounds.
8. Latex-free.