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Multi-Way Conventional loudspeakers with crossovers

JBL L110 new cabinets
JBL L110 new cabinets
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Old 26th April 2019, 04:05 PM   #21
phivates is offline phivates  United States
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You brace for two main issues: acoustic pressure in the box, whether vented or not, and vibration transmitted from the driver to the enclosure. MDF is thought to have energy storage issues which need addressing on panels as large as yours, so going to the trouble of correct bracing is part of improving the original.
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Old 27th April 2019, 08:59 AM   #22
mainframe99 is offline mainframe99
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So due to my router having an offset square base, I had to make two new round bases for the previously mentioned driver rebating method to work;

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And it wasn't millimeter perfect/press fit, but its close enough for me;

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Next time I do this I will buy a router with a round base. When I bought the one I have, there were no trim routers available with round bases.
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Old 27th April 2019, 10:39 AM   #23
6thplanet is offline 6thplanet  United States
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Are you going to flush the woofer in too? If your not planning to, please reconsider as it'll look alot better in the finished product. Truste me on this, you'll be happy you did it.
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Old 28th April 2019, 11:30 PM   #24
mainframe99 is offline mainframe99
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Have now finished the fronts and started looking at bracing;

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Old 29th April 2019, 01:02 AM   #25
phivates is offline phivates  United States
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Nice work on the recesses.
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Old 30th April 2019, 01:56 AM   #26
6thplanet is offline 6thplanet  United States
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Yes, definitely, your knocking it out.
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Old 30th April 2019, 08:22 AM   #27
mainframe99 is offline mainframe99
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Cabinets ready to sand and veneer. Quite pleased with how theyve turned out, but definitely feel ive room to improve on my next speakers. Im hooked! This is fun.
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Old 30th April 2019, 10:54 AM   #28
6thplanet is offline 6thplanet  United States
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If you have a round over router bit, you might want run it around the outside of the port opening. Helps airflow in and out of the port, also looks better.
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Old 30th April 2019, 11:00 AM   #29
mainframe99 is offline mainframe99
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I had considered that but then the veneer would be hard to finish to the round over.
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Old 30th April 2019, 01:29 PM   #30
6thplanet is offline 6thplanet  United States
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Veneer it, use 2"tape and cover all around the port, router it, then the port perimeter will be taped off and allow you to paint the port black.
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