Feature request HPF on subs/woofers

Ofer

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Mar 15, 2021
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miniDSP 4x10hd
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Emotiva XPR200 midrange amp
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Crest audio 2001A bass amp, Crest audio 8002 sub
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Hi @juicehifi I have a feature request.
Ported DIY subs need High Pass Filter (HPF) at the port frequency to avoid damage to the driver. Also some (most) floor standing speakers and some PA subwoofers only go down to 35-40hz and there is no point in having AL attempt to increase the gain below what they can't play.
I think it would be very benificial if we could add HPF on the bass (or sub) channel. How difficult would that be to implement?
 

juicehifi

Audiolense
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Joined
Feb 5, 2018
Messages
709
Hi Ofer,

The solution is to draw a target that rounds off in the bass in a way that doesn’t overload the driver and … if it’s above 30 Hz probably aim for a gentle round-off, because a steep roundoff may make the bass sound slow, colored and resonant. But this is an area where you should experiment and go by ear.
 
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