The cardiophon cardiology stethoscope is a masterpiece from Riester.

Riester Stethoscopes – there’s simply more to hear. Since 1948 the name Riester has stood for the highest quality products, wide-ranging experience in development and production and a commitment to constant improvement. Selected materials and first-class workmanship ensure perfect auscultation and outstanding durability.

We shall be pleased to provide more information about the ordering requirements for customer specific models and colours upon request.

  • Considerable acoustic improvement on the basis of intensive development work. Current measurement protocols show: The newest Riester generation of stethoscopes has unique acoustic characteristics in comparison to all other models measured.
  • Large selection: The range extends from the cardiology stethoscope to the nurse’s stethoscope.
  • CNC-produced precision chest-pieces with fibre-reinforced Riester special membranes and particularly flat and soft non-chill rims for improved adaptation on the skin.
  • Extra-soft, replaceable ear-tips with metal screw threadfor comfortable and effective sealing of the external auditory canal.
  • Comfortable and flexible binaural.
  • High quality tube systems with outstanding sound-conducting
  • All Riester stethoscopes are supplied with replacement parts and instructions for use.
  • Latex-free.
  • There is a 24 months guarantee on all Riester stethoscopes.
  • Development and production in Germany.


With the highest quality double-headed chest-piece, it convinces with its superior acoustics in every situation.

Especially in the frequency range between 200 Hz and 500 Hz, which is particularly important for the auscultation of heart sounds, the cardiophon provides unique acoustic performance.

In comparison to previous models it was possible to improve the acoustics still further.

The cardiophon is suitable for the precise auscultation of adults and children.

  • Double-headed chest-piece made of stainless steel.
  • Special membranes on both sides for precise acoustics, Ø 48 mm and 36 mm, with particularly flat and soft non-chill rims for improved adaptation on the skin.
  • Anatomically shaped binaural made of stainless steel with reinforced, internal multiple spring.
  • 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 with separate sound-conducting pathways for the left and right ears with particularly good audio-conductivity.
  • Overall length: 72 cm.
  • Latex-free.
  • The cardiophon is supplied with two pairs of replacement ear-tips, a replacement membrane each and a name plate.

    Frequency analysis

    20 Hz – 100 Hz          max. 5.9 dB at 100 Hz

    100 Hz – 1,500 Hz      max. 28.3 dB at 320 Hz


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