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Convert a ported sub into bandpass
Convert a ported sub into bandpass
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Old 6th November 2019, 08:53 AM   #11
Circlomanen is offline Circlomanen  Sweden
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Join Date: Sep 2004
Location: Göteborg

Here is a non-optimized bass reflex that I would not build. It is just an example to show what happens when you cover up the front of the driver. 120 liter box and a 150 cm2 port 60 cm long.


Here is the same bass reflex box with a 100 liter closed box covering the front of the driver (black curve).
We live in a horizontal world, why use vertical topologies???
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Old 6th November 2019, 04:44 PM   #12
GM is offline GM  United States
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Join Date: Jun 2003
Location: Chamblee, Ga.
Originally Posted by GM View Post
Classic [pre -T/S] BP4 requires the new vented chamber be 1/4x new sealed chamber tuned to Fs..........
'Haste makes waste', should be Fs/0.707.

Loud is Beautiful if it's Clean! As always though, the usual disclaimers apply to this post's contents.
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