BMS 12S330 in punisher horn |
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Magnitudo
Registered User Joined: 31 May 2008 Status: Offline Points: 5 |
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Posted: 31 May 2008 at 12:56pm |
Hello everyone,
in the process of building 4 Punishers (to start with), i would like to know if i can replace the 12.00SW CIARE with the BMS PRO 12S330 www.bmspro.info/photos/bmspro_info/12s330.pdfQts is quite similiar, but Vas is quite different and BxL is a tad lower. any comment?thank you very much! Edited by Magnitudo - 31 May 2008 at 1:52pm |
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login4
Old Croc Joined: 03 April 2006 Location: Wales Status: Offline Points: 1552 |
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could be a beast that, fairly hight sensitivity
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CELTIC SUBSONIC SOUND SYSTEMS
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Magnitudo
Registered User Joined: 31 May 2008 Status: Offline Points: 5 |
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yep quite cheap too, but i'm not sure it would fit this horn fine.. |
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login4
Old Croc Joined: 03 April 2006 Location: Wales Status: Offline Points: 1552 |
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how cheap is it then?
also its got a FS of 28.6hz which is realy low it might also be a good contender for the Wicked one sub too |
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CELTIC SUBSONIC SOUND SYSTEMS
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Magnitudo
Registered User Joined: 31 May 2008 Status: Offline Points: 5 |
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it costs around 200€ MSRP but if you work in the business you can get it for a bit more than half then that, so it's fairly good priced. It seems to me it could work in the punisher but i have doubts because of the very different VAS |
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bitcore
Registered User Joined: 12 February 2007 Location: United States Status: Offline Points: 168 |
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It looks like it's got one of those foam rubber surrounds that are not very stiff, similar to these speakers I have: http://www.bitcore.org/stuff/Bass/Tumult/Tumult_MK1_&_MK2_2.jpg
The foam rubber is really soft and allows the former to move off-axis in the gap, it almost relies totally on the spider to keep the thing still. If the specs were right, there's still no way these would work in a horn design that loads the cone unevenly because I'd inevitably have coil rubbing. Since that's a neo woofer, usually the magnetic gap needs to be quite small to take advantage of that really dense flux, unless they have some clever things going on, so that makes off-axis motion even more of a problem... There's no way of knowing until you handle that little sucker and find out, and then try it in a cabinet. I'm not saying don't try it! Someone sim it and see what it does compared to the ciare and the P.audio SD12 (which is what I'd prefer based on mircea bartic's thread). If the sim looks good, I vote you try it! If it's awful you could always build some sealed/ported cabs and try selling them... or use them for home theater or something crazy 3" copper sandwich? Why, Cancel my pastrami, I'd love one of those instead!! mmmmm! Edited by bitcore - 02 June 2008 at 12:12pm |
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Magnitudo
Registered User Joined: 31 May 2008 Status: Offline Points: 5 |
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:) LOL @ the pic from the tumult (Car audio fan maybe? :)) had those too lot of time ago! BTW, i would just order one and test it but i still haven't got the boxes built so, it would be a nonsense.if someone can make a simulation while i build the boxes maybe i can know if they're not a good fit BEFORE ordering them :D anyways i think i0ll order one anyway and test it whenever the boxes will be finished. BMS is a german brand and is really good stuff so, i dont think they would make some bad product. This one seems the best fit, as i didnt find anything better in B&C or 18Sound catalog. edit _ i forgot, this also comes in a neo version. 12N630L.at least at the looks it seems the same, i'll have a deeper look at the parameters later! Edited by Magnitudo - 02 June 2008 at 12:24pm |
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Tony Wilkes
Old Croc Joined: 02 August 2004 Location: West Midlands Status: Offline Points: 4840 |
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It has a fairly stiff synthetic rubber roll surround and the Neo versions are exactly the same only lighter obviously.
They are optimised for reflex cabs. I am just building a pair using twin drivers at the moment ( ferrite version). Tony p.s. ignore the hole dia. on the PDF it need to be 2mm larger (thank the lord for rotary flap wheels) Edited by Tony Wilkes - 02 June 2008 at 12:34pm |
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Magnitudo
Registered User Joined: 31 May 2008 Status: Offline Points: 5 |
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thanks for the infos, are you building punishers for them?or which kind of boxes? |
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darkmatter
Old Croc Joined: 26 February 2005 Location: LDN Status: Offline Points: 2425 |
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From what I can tell they'd be slightly more sensitive and drop fractionally lower than the 12SW, but would be limited by displacement/max power. I can't account for the discrepancies between the way the manufacturers measure t/s specs though, and I'm new to this modelling malarkey, so that might not be an accurate picture.
Do you think the voice coil will stay cool on the BMS? |
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mobiele eenheid
Old Croc Joined: 15 August 2004 Location: Netherlands Status: Offline Points: 1568 |
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I think it will do the job but run it in Hornresp to be sure. It has less Xmax (8 mm vs. 11,5 mm calculated the same way) and a 3" VC instead of a 4" VC. So the Ciare seems to be the choice over the BMS if your going for maximum performance.
Wkr Johan
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Tony Wilkes
Old Croc Joined: 02 August 2004 Location: West Midlands Status: Offline Points: 4840 |
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They are straight forward reflex boxes. I do not think that they are right for a horn loaded box but stranger things have happened. Voice coil cooling is pretty good on all the BMS coned drivers because of some nice engineering. Tony |
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