The Diaphragm is designed to turn into a bell by using pressure.
Therefore, both high and low frequency sounds can be heard clearly by using one side.
The following are graphically represented test results, comparing CARDIOCARE
with other leading stethoscope manufacturers.
(Independent Test Results)
CLINICAL TESTING RESULTS
AMPLITUDE TESTS STRAIGHT TRANSMISSION TUBE
View accompanying laboratory report
The following is a Frequency-Amplitude graph comparing the quality of
the Cardiocare(red) with the top 3M Littmann Stethoscope.
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