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Why grill just the midrange or the tweeter?

ChefE

ChefE

Active Member
Hello. I'm curious to know why is it so many models of home speakers have separate grills only covering the midrange driver, or just the tweeter, sometimes both, used on 3-way (or more) speakers. For 2-way speakers, the tweeter? Why not protect the woofer too? I'm not referring to the main exterior speaker grill/cover, but to the individual personal sized driver grill. Examples include speakers by Yamaha (ns-10t, ns-200ma), Cerwin-Vega!, Wharfedale, Pioneer (hpm- ), etc. Sorry if this is a stupid question, but perhaps there's more to it than what meets the eye.
 
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The smaller the diaphragm and higher the frequency, the lighter and more delicate the moving assemblies are. Additionally their powerful magnetic fields are much closer to the outside world.

Yamaha and a few other manufacturers used Beryllium to form mid and tweeter domes. Beryllium is poisonous to humans.

There are also some examples that apply a final step in voicing or acoustic treatment that controls dispersion thru the use of what appears to be a grill.
 
I'd wonder if the integrated grill on some tweeters is there to tame the tweeter a bit in certain frequency bands.
 
EngineerNate said:
I'd wonder if the integrated grill on some tweeters is there to tame the tweeter a bit in certain frequency bands.
Click to expand...

Paradigm has done this with their tweeter...form follows function.

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There are plenty of speakers on the bay that have tweeter and midrange dust caps pushed in.........
 
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