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Ribbon corrugation, rounded or pointed?
Ribbon corrugation, rounded or pointed?
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Old 19th January 2020, 07:17 PM   #11
esl 63 is offline esl 63
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Measure distortion and compare.
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Old 20th January 2020, 02:31 PM   #12
lowmass is offline lowmass  United States
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haven't measured distortion BUT have made varieties of V shaped and rounded corrugations in pitches ranging from approximation 1.5 to 3 mm

I was looking primarily at the resonance that happens roughly between 3 and 10khz depending on corrugation size/ribbon width/ and diaphragm material.

If the pitch/ size of the two corrugation types were the same , the resonances and waterfall looked about the same and the overall freq response was close as well

I didn't see any useful difference between them

I did not do destructive testing on the V shaped ones to see if they failed any sooner than the rounded variety so dont really know about their durability
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