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In Reply to: RE: So, what's the down side, if any? nt posted by stickler to perfection on July 04, 2009 at 08:20:50
Hi David,Your original statement was:
Installing protective boards will have plenty of down sides. The biggest one is that it will severely restrict the dynamic range of the speaker, ....
First I'd like to suggest a change of nomenclature, and instead of 'dynamics' use 'maximum output' which is more to the point. (Dynamics implies a range, a comparison between the low and high value. That's not what we are discussing here).
According to your statement, the speaker would have lower maximum output with the protective board than without it. But without the board, the maximum output is still limited to about the same level by the capabilities of the treble panel. So I can't agree with your original statement. Installing a protection board will not lower the maximum output (or only very slightly, and you would not want to be running your panel that hot without it).
If you change the treble panel so it can withstand higher signal voltage, then yes of course the protective board would limit the maximum SPL.
For original unrefurbished speakers, I think it's wise to install the protection boards. Why? Because old panels have lost about 4 to 6 dB of SPL (because of lowered sensitivity) and one is likely to turn up the wick far enough to burn the treble panel to a crisp. With a refurbished panel this is much less likely, in fact I have never toasted a panel even without protection.
I suppose this is because the speaker is going to distort quite a bit when playing at maximum volume, especially the stock bass panel, which (IMO) is not quite up to par with the rest of the system. The sound becomes congested and I naturally turn down the volume. That's why I don't see the point of making the treble panel arc-proof if you don't address the rest of the speaker. By the way I have plenty of ideas to do just that, but time is limiting progress in that area.
Out of curiosity I would be interested to hear more about this 'super panel', where does it come from and what does it look like? Please send me a message if you can't post it on this board.
Edits: 07/05/09 07/05/09Follow Ups:
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