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best encl. volume for Eminence Lab 12 in a sealed sub?
best encl. volume for Eminence Lab 12 in a sealed sub?
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Old 22nd December 2013, 10:46 PM   #11
Rewind is offline Rewind  Sweden
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best encl. volume for Eminence Lab 12 in a sealed sub?
Building the Il Bimbo now. After 6 months with a LAB12 in a 300+ Litre sonotube, I am done with flabby bass, and I want something really "toight", that should go together well with a horn system. I was considering bass horns but I suspect these will not be as accurate. I don't want to do vented so I will have to find something else to watch the THX demo with.

I am tired but excited about tomorrow night when it should be done and I can finally try it. Building time is then 36 hours including waiting for the glue to dry. One side is drying now, and tomorrow I will do the rest. I would like to paint it in Nextel, but I can't find a supplier in Scandinavia. Hardest part was to make a perfect circle, but I managed it finally.

Last edited by Rewind; 22nd December 2013 at 10:51 PM.
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Old 26th December 2013, 02:28 PM   #12
Rewind is offline Rewind  Sweden
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best encl. volume for Eminence Lab 12 in a sealed sub?
Default Il bimbo

Il Bimbo is finished!

We were playing at PA levels last night with a couple of friends. It sounded very good, but I must admit I have don't have much experience listening to subwoofers. I think it sounded very tight, and goes deep enough. Volume is around 36-39L. It is a little smaller than the original Il Bimbo, because I use triangular wooden planks to reduce sharp corners inside. Stuffing is rubber door mats, acoustic foam, and a pillow.

Our old 100 Watt Pioneer amp gave up after a few hours, but that is okay. I was looking for a more suitable amp anyway. Thinking class D 500W.
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Last edited by Rewind; 26th December 2013 at 02:33 PM.
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Old 30th October 2016, 12:38 PM   #13
Rewind is offline Rewind  Sweden
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best encl. volume for Eminence Lab 12 in a sealed sub?
The Il Bimbo is dead. Still working, but has voice coil rub. Considering buying a replacement, but maybe I should get something else than a LAB12. Open for suggestions for a 12" subwoofer that would fit a 36L sealed cabinet.
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Old 30th October 2016, 01:08 PM   #14
colmo is offline colmo  United Kingdom
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The Scan Speak Discovery 30W4558T00 works well in a sealed enclosure.
I have just finished building a sub using it and it sounds great.
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Old 30th October 2016, 06:15 PM   #15
Rewind is offline Rewind  Sweden
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best encl. volume for Eminence Lab 12 in a sealed sub?
The SS disvovery looks good but is twice the price of a lab 12.
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Old 30th October 2016, 08:55 PM   #16
colmo is offline colmo  United Kingdom
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Quote:
Originally Posted by Rewind View Post
The SS disvovery looks good but is twice the price of a lab 12.
Build and sound quality is superb. Most people regard Scan Speak drivers as the best you can buy.
My main speakers are fitted with Scan Speak drivers, I built them myself and to buy something ready made would cost somewhere around 8000
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Old 31st October 2016, 08:45 AM   #17
USRFobiwan is offline USRFobiwan
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best encl. volume for Eminence Lab 12 in a sealed sub?
I guess if Rewind can demolish a 400w AES LAB12 he will not be better of with a 30w consumer subwoofer from scanspeak.

I would say get a recone, and build a second one.
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Old 31st October 2016, 12:38 PM   #18
Rewind is offline Rewind  Sweden
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best encl. volume for Eminence Lab 12 in a sealed sub?
I guess it didn't go to eleven.

Recone kits can be found for $50 plus two kinds of glue and shipping. So $100. That is more reasonable.
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Old 31st October 2016, 04:49 PM   #19
tb46 is offline tb46  United States
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Hi Rewind,

Post #17: "...get a recone, and build a second one."

I second the motion. :-)

Regards,

P.S.: Hornresp has a 'Maximum SPL...' tool-as well as a 'Sample...' tool that could give you some insight into what happened to your first try.
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Old 31st October 2016, 06:00 PM   #20
Rewind is offline Rewind  Sweden
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best encl. volume for Eminence Lab 12 in a sealed sub?
I thick I just crossed it too low. I have always been running it at 20 to 80 Hz with 24dB LR. Read somewhere it is not good to go below 45Hz.
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