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Transmission line subwoofer build
Transmission line subwoofer build
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Old 16th October 2019, 11:18 PM   #11
bentoronto is offline bentoronto  Canada
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Join Date: Jan 2008
Location: Toronto and Delray Beach, FL
Transmission line subwoofer build
Originally Posted by Bjohannesen View Post
Just some comments:

- Stuffing helps controlling cone movement. In a TL sub you should not stuff too dense, however.

- I have made TL subs with the driver at the closed end. Any dips and peaks are above the cross over frequency any way.

- Port close to the driver is the best design. I have simmed this with MJK's models.
Please post the data you collected that led you to those opinions.

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Old 17th October 2019, 02:44 AM   #12
Brian Steele is offline Brian Steele  Grenada
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Originally Posted by Bjohannesen View Post
Any dips and peaks are above the cross over frequency any way.
That would be dependent on how low the subwoofer is tuned (Fb) and the x-over frequency. If you tune to your subwoofer to operate over a narrow range of frequencies (bearing in mind that you'd want to put the x-over point about an octave away from any gross variations in the subwoofer's response if you want a smooth transition to your main speakers), then sure, that would work.
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