B&C sub 18's
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URL: https://forum.speakerplans.com/forum_posts.asp?TID=45717
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Topic: B&C sub 18's
Posted By: Big-G
Subject: B&C sub 18's
Date Posted: 25 November 2010 at 2:41pm
Well i have got 4 sub 18's finished now, loaded with PD186's and driven by a Qsc 4050, what a cabinet, they sound better than a lot of commercially available cabs i have heard, plenty of sub and nice and punchy, i did think i would regret selling my horns but i don't. Overall i am very happy with these cabs, now just need to build another 4.
Big thanks to Markie for the grills and to everyone else who answered my numerous questions.
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------------- They know what is what but they don't know what is what they just strut what the .
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Replies:
Posted By: t.geessounds
Date Posted: 25 November 2010 at 3:08pm
look good r those tops 2 way or 3way
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Posted By: iand4403
Date Posted: 25 November 2010 at 3:24pm
Yeah what tops are those?
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Posted By: lickweed
Date Posted: 25 November 2010 at 3:49pm
Looks like old jbl sr series
------------- http://www.liquidsound.co.uk/
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Posted By: Big-G
Date Posted: 25 November 2010 at 6:06pm
The tops are JBL 4852's they are three way, i run them Bi amped as they have a 8k passive crossover in the cab for the 2404H's, the 2" is a 2446HPL (1.2k - 8k) and the 12's are 2206HPL's (90 - 1.2k). I'm now making some grills for them to match the bins.
------------- They know what is what but they don't know what is what they just strut what the .
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Posted By: bmw28
Date Posted: 27 November 2010 at 1:16am
Big- G did you use a wadding the boxes or extra bracing or this you stick the orginal plans, also what crossovers points did you use...
looking good..
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Posted By: samwills
Date Posted: 28 November 2010 at 1:07am
What sub design you using there?? look like they would suit my next upgrade perfectly. Cheers.
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Posted By: mk2_ginger_biscuit69
Date Posted: 28 November 2010 at 5:21am
samwills wrote:
What sub design you using there?? look like they would suit my next upgrade perfectly. Cheers.
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maybe they are B&C sub18's.....
Love the pd186 reflex, my favourite setup of the moment!
------------- ''Remember that the object of a subwoofer is to enhance the output of your main speakers, not overpower it''
''Dubstep - an elongated electronic fart''
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Posted By: Ryan94
Date Posted: 28 November 2010 at 1:46pm
They look great paul. Bet they sound good as well, my pair sound lovely, bet 4 of them sound even better!
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Posted By: supremesoundz
Date Posted: 28 November 2010 at 2:03pm
lovely cabs... Use a fane 18xb loaded ones regularly and they sound fantastic
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Posted By: Big-G
Date Posted: 28 November 2010 at 4:49pm
bmw28 wrote:
Big- G did you use a wadding the boxes or extra bracing or this you stick the orginal plans, also what crossovers points did you use...
looking good.. |
The bins are crossed at 32Hz high pass and 125Hz low pass, i put some extra bracing inside the cabs because to me they looked like they needed it, the top and bottom (or sides depending on how you stack them) are a large panel to just leave with no bracing, there is wadding in there too. HTH, Paul.
------------- They know what is what but they don't know what is what they just strut what the .
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Posted By: Big-G
Date Posted: 28 November 2010 at 4:54pm
Ryan94 wrote:
They look great paul. Bet they sound good as well, my pair sound lovely, bet 4 of them sound even better! |
They have exceeded my expectations, chest pounding eye wobbling bass is the best way i can describe it .
cant wait to get another 4 built but i'll need some more tops then and amps and cables and.........
------------- They know what is what but they don't know what is what they just strut what the .
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Posted By: philw44
Date Posted: 28 November 2010 at 9:41pm
Big-G wrote:
bmw28 wrote:
Big- G did you use a wadding the boxes or extra bracing or this you stick the orginal plans, also what crossovers points did you use...
looking good.. |
i put some extra bracing inside the cabs because to me they looked like they needed it, the top and bottom (or sides depending on how you stack them) are a large panel to just leave with no bracing, there is wadding in there too. HTH, Paul. |
I may need to consider adding bracing to my Sub 15's. They do seem to rattle a little bit excessively.. you can't hear it when the cabs are in full flow but still a bit of a annoyance
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Posted By: rich_gale
Date Posted: 30 November 2010 at 9:31pm
wow. lovely looking rig there. id imagine your 'mid/tops' will keep up with 8 of those sub 18's!. how do the 2206's sound? are they real jbl cones, or aftermarket? look darker than mine
------------- REFLEX ALL THE WAY.... (however, im playing with horns again...) That ok Mister Valiant? :)
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Posted By: Big-G
Date Posted: 01 December 2010 at 9:15am
Hi rich, they are original JBL cones just with a light dusting of halford's satin black. The 2206's sound good, wouldn't want to push them any higher than 1.2k though, i did have them crossed at 1.8k then 1.5k but they didn't sound right to me, crossed over at 1.2k they sound fine. The mid tops are a very loud box indeed, i would think they would keep up with 8 sub 18's without an issue but the two tops with 4 sub 18's does sound nice and balanced.
------------- They know what is what but they don't know what is what they just strut what the .
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Posted By: lgosdset
Date Posted: 01 December 2010 at 12:52pm
Big-G wrote:
Hi rich, they are original JBL cones just with a light dusting of halford's satin black. The 2206's sound good, wouldn't want to push them any higher than 1.2k though, i did have them crossed at 1.8k then 1.5k but they didn't sound right to me, crossed over at 1.2k they sound fine. The mid tops are a very loud box indeed, i would think they would keep up with 8 sub 18's without an issue but the two tops with 4 sub 18's does sound nice and balanced. |
What amp/amps are you driving your subs with?
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Posted By: rich_gale
Date Posted: 01 December 2010 at 1:19pm
I have a nice image of one day putting together a similar style system. with 2x pd2450 a side, up to 90hz, dual 2206 from 90-500hz then for 500hz+ a jbl 2360a each side with a bms coax compression driver
------------- REFLEX ALL THE WAY.... (however, im playing with horns again...) That ok Mister Valiant? :)
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Posted By: Big-G
Date Posted: 01 December 2010 at 5:52pm
lgosdset wrote:
Big-G wrote:
Hi rich, they are original JBL cones just with a light dusting of halford's satin black. The 2206's sound good, wouldn't want to push them any higher than 1.2k though, i did have them crossed at 1.8k then 1.5k but they didn't sound right to me, crossed over at 1.2k they sound fine. The mid tops are a very loud box indeed, i would think they would keep up with 8 sub 18's without an issue but the two tops with 4 sub 18's does sound nice and balanced. |
What amp/amps are you driving your subs with?
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The subs are running 2 per ch on a Qsc RMX4050HD the 2206's are 2 per ch on a Qsc RMX2450 and the comps are run on a Qsc RMX1850.
------------- They know what is what but they don't know what is what they just strut what the .
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Posted By: Big-G
Date Posted: 01 December 2010 at 5:58pm
rich_gale wrote:
I have a nice image of one day putting together a similar style system. with 2x pd2450 a side, up to 90hz, dual 2206 from 90-500hz then for 500hz+ a jbl 2360a each side with a bms coax compression driver
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Wow that should move some air, should sound sweet too. Would you need a coax for the highs though? I would think a good 1" would work above the 2360's or maybe jbl 2402 bullet?
I have always wanted a pair of 2360's they look like they could cut you in half at 100m
------------- They know what is what but they don't know what is what they just strut what the .
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Posted By: pk1964
Date Posted: 02 December 2010 at 9:30pm
i got the plan of b&c webite on drawing speaker board is flush at the front, did you move it back for speaker grille or add to box dimensions
cheers
pk
------------- http://www.paulkellyevents.co.uk" rel="nofollow - My Link
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Posted By: Ryan94
Date Posted: 02 December 2010 at 9:34pm
I added to the box dimensions on mine, you dont want to be moving the baffle back as it will reduce the volume.
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Posted By: Big-G
Date Posted: 02 December 2010 at 10:01pm
What Ryan said.
Mine are 780mm deep.
------------- They know what is what but they don't know what is what they just strut what the .
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Posted By: bmw28
Date Posted: 04 December 2010 at 2:44pm
Big-G wrote:
bmw28 wrote:
Big- G did you use a wadding the boxes or extra bracing or this you stick the orginal plans, also what crossovers points did you use...
looking good.. |
The bins are crossed at 32Hz high pass and 125Hz low pass, i put some extra bracing inside the cabs because to me they looked like they needed it, the top and bottom (or sides depending on how you stack them) are a large panel to just leave with no bracing, there is wadding in there too. HTH, Paul. |
Thanks for the replay G, one more thing did you glue the wadding on all the panels inside.. i.e top, botton, sides etc.
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Posted By: Big-G
Date Posted: 04 December 2010 at 4:09pm
I put wadding on all panels apart from the side where the port is and secured it with staples.
------------- They know what is what but they don't know what is what they just strut what the .
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Posted By: aperrado
Date Posted: 05 December 2010 at 2:02am
chance it will be a litlle out of context, but I cant get a pd186 speaker in usa , can somebody recomend me another speaker for the same box? the build look nice .
------------- Im hard to learn but still asking
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Posted By: Ryan94
Date Posted: 05 December 2010 at 10:17am
Not sure weather you can get fane, but the fane 18xb is a good driver.
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Posted By: bmw28
Date Posted: 05 December 2010 at 11:35pm
B&C speakers are good & should be able to get in usa, i've loaded my's with the 18pzb100 driver, 2nd to fane 18xb are good drivers and cost less the b&c's.
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Posted By: samwills
Date Posted: 06 December 2010 at 12:57am
dont like to ask but dont know how to do it.. but can anyone tell me what a fane colossus 1000, would be like in one of these cabs..(i haven't worked out how to use the speaker design programs yet) Cheers Sam.
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Posted By: keilamym
Date Posted: 06 December 2010 at 1:27am
dont know about fane but b&c we can get here in the states...
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Posted By: t.geessounds
Date Posted: 06 December 2010 at 1:29am
Posted By: rich_gale
Date Posted: 06 December 2010 at 8:27pm
Jbl 2242H or 2243H are a good American choice.
------------- REFLEX ALL THE WAY.... (however, im playing with horns again...) That ok Mister Valiant? :)
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Posted By: teeth
Date Posted: 20 September 2022 at 2:50pm
does anyone have the plans kicking around for the sub 18's? can't seem to find any ref online... i've just acquired a pair loaded with PD 18BR40 and they sound sweet! would just love some info :)
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Posted By: djeddie
Date Posted: 20 September 2022 at 8:11pm
https://en.toutlehautparleur.com/media/catalog/product/cache/15/image/33054a7efa1cea907c2ede88c0a81e14/d/e/design-bc-sub18.jpg" rel="nofollow - https://en.toutlehautparleur.com/media/catalog/product/cache/15/image/33054a7efa1cea907c2ede88c0a81e14/d/e/design-bc-sub18.jpg
------------- Chas n Dave : it's like Drum and Bass but with beards. E=mc² ±3dB
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Posted By: dj jammin
Date Posted: 20 September 2022 at 8:46pm
Google! The plan are still out there if you search.. just not on b&c page anymore
------------- Reverence Sound system
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Posted By: paulus
Date Posted: 21 September 2022 at 10:05am
really is a great cab we put 4 in and install playing reggae , drum and bass every week with b n c drivers 700w running on a jbl mpx1200 sounds great and plays really deep crossed 32 to 100 :) one day i will sack the scoops off and have 8 singles me thinks :)
------------- TRENDSETTER SOUND SYSTEM
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Posted By: teeth
Date Posted: 21 September 2022 at 11:57pm
yer they are wicked.
i bought a pair off someone on this or the other sub18 thread (hi paul.2008! nice to meet you) and i'm really impressed.
shame the design seems to have dropped off a bit, it looks pretty simple all things considered, surely one of the best performing complexity / payoff ratios!
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Posted By: smitske96
Date Posted: 22 September 2022 at 8:46am
Definately a good design, and pretty large port area for the time (541cm2). If building some, do not forget the bracing, there is really none on the plans.
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Posted By: Sinai Sound
Date Posted: 22 September 2022 at 10:11am
Got one with a B&C 18DS115 (4ohm)
Run it from a single channel of an X4 and the single cab fills a small room very nicely!
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Posted By: sarsen1
Date Posted: 28 September 2022 at 1:02pm
http://www.speakerplans.eu/details.php?id=72" rel="nofollow - Speaker Plans Archive decent plans here with bracing etc
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Posted By: king david
Date Posted: 30 September 2022 at 12:13pm
paulus wrote:
really is a great cab we put 4 in and install playing reggae , drum and bass every week with b n c drivers 700w running on a jbl mpx1200 sounds great and plays really deep crossed 32 to 100 :) one day i will sack the scoops off and have 8 singles me thinks :) |
8 of these louder and deeper than 4 scoops?
------------- http://www.warriorcharge.noblogs.org
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