Singular cabinet - sides too small (BD-Design)

by GC, Friday, July 29, 2005, 17:28 (4559 days ago)

Hello Bert,

The nice people who cut my wood at the home improvement store cut the sides about 2.4mm too short; luckily, the width is spot on as are the other pieces they cut.

My concern is that the inside dimensions will no longer be correct -- specifically, the front and rear vertical sections will be a few mm shorter than spec.

Will this be ok provided I maintain the 230mm x 230mm dimension for the entire length of the passage from the driver to the rear vent, or is the length crucial as well?

Also, do I need to adjust the length of the port?

I have considered adding length by using iron on veneer on each end to make up a few mm, but I'm not so sure about the structural integrity of such a "fix".

Finally, I noticed that the original version had a 60mm long circular port, whereas the new version only has a hole (a 19.05mm port, if you will). Is this correct?

Thanks! I'm looking forward to getting everything glued and wired up! These are going to be some big speakers! :)

Cheers,
Joe

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Singular cabinet - sides too small

by GC, Friday, July 29, 2005, 18:19 (4559 days ago) @ GC

Hi Joe,

The nice people who cut my wood at the home improvement store cut the
sides about 2.4mm too short; luckily, the width is spot on as are the
other pieces they cut.

That sounds familiar, you're lucky that they cut the other panels okay then!

Will this be ok provided I maintain the 230mm x 230mm dimension for the
entire length of the passage from the driver to the rear vent, or is the
length crucial as well?

2.4mm isn't too much (as long as it is the same with both enclosures).

Also, do I need to adjust the length of the port?

No, the new drawings show no real length at all and the damping closing the opening highly reduces the Q of the port making the effective bandwidth wider.

These are going to be some big speakers! :)

Once on their listening spot they will look much smaller!

Have fun!

Bert

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Singular cabinet - sides too small

by GC, Friday, July 29, 2005, 22:40 (4559 days ago) @ GC

Thanks, Bert -- for the help as well as the plans.

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