In Reply to: RE: Here's a rule of thumb posted by Kirk57 on August 1, 2016 at 05:53:33:
Directivity varies greatly by frequency. What I find less disturbing is those designs start exhibiting a gradual narrowing of dispersion as frequency goes up. There's no drastic contrast.
With the JBL's I mentioned, however, the 5" midrange is driven beyond its ideal range - so far ok - but then is transitioned immediately to a wide dispersion dome tweeter sitting right in the middle of its sweet spot.
Huge contrast!
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Follow Ups
- True for piston based dynamic speakers - E-Stat 06:48:54 08/01/16 (0)