That is a nice tweeter but it rings (like most metal drivers) - see the Cumulative spectral decay at 9000 Hz. Of course a speaker designer will try to notch filter this problem out and being a single frequency that is not hard to do - although at elevated SPL's as the tweet warms up (impedance rises) and ringing becomes more excited then the notch may not be as effective or as precisely tuned. Some metal or ceramic drivers have rubber dots on them to try to correct this or even some damping paint. Some have elaborate arrangements with the "backwave". There is no doubt these type drivers get an impressive frequency response but resonance such as you see here is never a good thing.
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- 19 posts total
- 19 posts total