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RE: "The electro-mechanical nature of these transducers has an inherent 12dB roll-off below resonance" ...

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In Reply to: RE: "The electro-mechanical nature of these transducers has an inherent 12dB roll-off below resonance" ... posted by andyr on December 29, 2020 at 13:21:27

Yeah I had thought about this possibility too. I would probably try both methods and see if the first order method at bass roll off makes enough difference regarding distortion and max vol capability/congestion etc. I would imagine it would not be as good as a higher order electrical XO at higher freq but it might help somewhat compared to running the speakers full range, anc could make enough of a difference.

Better potential integration with a sub sound like a good positive of the first order method, and I suspect the bass extension and output of the speakers might not be too much different to running the speakers full range, which gives you the option of not using a sub too (if you want too) which isn't possible with the other method.

Follow Ups:

RE: "which isn't possible with the other method" ... - andyr 16:14:51 12/29/20 (1)
Perhaps this depends on which active path you go down?

Certainly with an analogue active filter, it would be difficult ... but my miniDSP unit (initially a 10x10HD) and now a nanoDIGI) enables me to store 4 configs and select one of them 'on the fly'.

So one config is "bass panels full range and subs off" - which is easy to compare against "bass panel / sub XO at 80Hz, 24dB L-R".

Andy
- RE: "which isn't possible with the other method" ... - ColinB 16:45:56 12/29/20 (0)
  Yeah good point. The newer Minidsps are v flexible for sure. Those presets sound v handy. You could also try the first order HP either subs method mentioned above and compare to quickly to the others.
  
  I'd probably still prefer to go down the HP PLLXO route with analogue active LP XOs though, but it's more work and no easy way to switch quickly to compare.

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