Transmission Line Isobaric Subwoofer for home. - Page 3 - AVS | Home Theater Discussions And Reviews
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post #61 of 64 Old 01-05-2015, 05:17 AM - Thread Starter
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I have some 2 ply birch veneer. Check out post #28.

The new sub fits but with only a mm or so to spare. Same for my orbital sander. It is very much a miracle. I sized the opening bigger so that I had more room knowing that modern subs have larger motor/magnet assemblies.
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post #62 of 64 Old 01-17-2015, 06:30 PM - Thread Starter
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Some more progress on the finish..... Looking Great.....

Have to paint over the edges and some finishing touches.....
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post #63 of 64 Old 01-18-2015, 06:27 PM - Thread Starter
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Took a lot of will power not to bolt on the amp and fire it up. But some tedious task need to be done otherwise this thing might never be "complete".

Paper thin clearance but the speaker fits.
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post #64 of 64 Old 01-26-2015, 06:53 PM - Thread Starter
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Did some REW sweeps over the weekend. Using a UMM-6 with a Cross-Spectrum calibration.

Mic was in a stand and measured at multiple locations across the couch. Distance is over 4 meters from the transmission line subwoofer.

Have some notches centered around 56Hz and 84Hz. These might be room modes. Planning to play with the speakers to see if I can push those notches around.

My other two subs help make the 56Hz notch less. Have to mess with the mid range speakers to see what can be done with 84Hz dip.
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Last edited by Gaugster; 01-26-2015 at 07:06 PM.
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