Speaker covers: On or off?

[Lucky13]

<font color='#000000'>I clearly measured the effect of keeping the grills on my speakers (not Axioms). I suspect the proximity of the grill frame causes this rippled effect above ~3Khz. The red line is with the speaker grill off and the blue line is with it on.

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[Yamahaluver]

<font color='#0000FF'>Lucky13,

Thanks for the real interesting graph, now this will force me to keep my grills open at the risk of dust and prying fingers.

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[Lucky13]

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Yamahaluver : <font color='#000000'>Lucky13,

Thanks for the real interesting graph, now this will force me to keep my grills open at the risk of dust and prying fingers.

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<font color='#000000'>I usually leave my grills on most of the time - even for movies. I only pop them off when I am doing some critical listening or demo'ing my system.

Scott.</font>

 

[seabiscuit]

<font color='#000000'>Most speakers image far better with the tweeters at ear level. &nbsp;How high are the tweeters in your rig? &nbsp;They look fine if you are an NBA center. &nbsp;

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[allengarman]

<font color='#000000'>My new Sapphire ST2's are 44&quot; tall with the tweeter at approximately 35&quot;, sandwiched between the two mids. &nbsp;www.sapphireaudio.com/st2</font>