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awedio

iPAL enclosure details

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2 hours ago, awedio said:

@RicciThe DO sealed box you used to test the iPals, did you have 2 separate volumes or single airspace?

Single airspace. Cab was originally for 1 18"driver.

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5 hours ago, awedio said:

More from Powersoft:

 

"Should you decide to use 2x IpalMods, I’d suggest using separate acoustical volumes for the two transducers.
This leads to safe and profitable use of the pressure sensors for both response correction and efficiency drops detection."

This makes a lot of sense.  If you have separate amps and separate control loops interacting with one another via a shared air space, you definitely risk some weird behavior.  Depending on how their system is designed, there may even be potential for instability where the two amps fight each other in an escalating way.  Not good.

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6 hours ago, Ricci said:

Single airspace. Cab was originally for 1 18"driver.

Separate airspace for each driver shouldn't have any negative impact on performance?

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5 hours ago, awedio said:

Separate airspace for each driver shouldn't have any negative impact on performance?

Only in so far as you lose a slight amount of volume by having a solid panel between the two air spaces.

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1 minute ago, SME said:

Only in so far as you lose a slight amount of volume by having a solid panel between the two air spaces.

Thanks for confirming what I thought.

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