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Old 20th June 2008, 01:44 PM   #101
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Default EXCELLANT PRO SUBS

BAG END MAKES COMMERCIAL SUBS FOR NIGHT CLUBS, AUDITORIUMS . THEY HAVE A SYSTEM ELECTRONICS AND SPEAKERS THAT GO DOWN TO 8 HZ.
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Old 20th June 2008, 01:53 PM   #102
MaVo is offline MaVo  Germany
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every speaker goes down to 8 hz, but not allways with the volume/distortion one wants to hear
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Old 20th June 2008, 10:03 PM   #103
sek is offline sek  Germany
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Default Re: EXCELLANT PRO SUBS

Hi and welcome to the forums!

About your caps lock key...

- username: caps,
- location: caps,
- post title: caps,
- post text: caps,
- profile details: all caps!

This is way cool! Writing all uppercase is usually considered impolite and provoking. But you're just consistent.

How about all lower case instead?


Quote:
Originally posted by ACCUPROAV
BAG END MAKES COMMERCIAL SUBS FOR NIGHT CLUBS, AUDITORIUMS . THEY HAVE A SYSTEM ELECTRONICS AND SPEAKERS THAT GO DOWN TO 8 HZ.
The Bag End 8Hz systems are electronically equalized systems incorporating a function they call dual integration. This is comparable to the Linkwitz Transform discussion we already had above. But it serves as an example and thus as supportive to my argument and simulation.

Please note that Bag End make it a point to not mention actual SPL figures even for their highest power 4x18" system.

Thanks,
Sebastian.
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Old 2nd August 2008, 12:07 PM   #104
tinitus is offline tinitus  Europe
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Finally decided on the new BMS 18N860
B&C 18PS100, Beymas and PD186(PrecisionDevices) have been considered too, but the new BMS appears to have the better technology at the moment
It will suit my 180-200 liter closed matrix box perfectly
Some nice features like neo magnet combined with triple shortrings and carbone cone and not to forget the big Xmax well suited fore Eq
Probably expencive yes, but surely not many of those around and its kind of versatile as it will suit(hopefully) both a high power classic 3way with a mid/tweet like the B&C 8PE21/DE500 with lowish xo point, or used solely as subs in a 90db+ system
At tleast thats how things are at the moment
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Old 2nd August 2008, 01:21 PM   #105
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Quote:
Originally posted by tinitus
Finally decided on the new BMS 18N860
Hope you have better luck getting them in the EU than those of us oin the rest of the world.

Please post your findings and measurements as I'm very interested. I looked hard at the 18N850 but it was nearly unobtainium at a sensible price.
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Old 4th August 2008, 08:43 PM   #106
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I am evaluating my thoughts about the 95db BMS 18N860 and reconsidering one of my first choices, namely the new 100db Beyma 18P80ND
It will cost half of the BMS, and probably have better mids and distortion seems quite low
I suppose its too new fore anyone to have any experience with it

My thoughts are that the relative high Qts of the BMS could be problematic with its relative heavy and big cone ... sure, it makes it go lower, but at what cost
The Beymas 100db means that it will have the same SPL at low frequency and proably better possible BSC
No doubt the risk of boominess will be less with the Beyma

Any thoughts?
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Old 4th August 2008, 11:10 PM   #107
MaVo is offline MaVo  Germany
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The Beymas distortion measurement is taken at 1W while the BMS is measured at 1000W. The BMS has triple aluminium demodulating rings, while the Beyma has nothing to prevent distortion at higher levels. It has a reason why Beyma doesnt measure at 1000W. The BMS has definitely the superior technology, but the Beyma is cheaper.

Besides, complex things like boominess depend on the whole system of driver, enclosure and room. Looking at the driver alone doesnt say much.

I own Beyma 12P1000ND and i regret buying them and not BMS, because they distort more than i like even before reaching xmax.
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Old 4th August 2008, 11:14 PM   #108
tinitus is offline tinitus  Europe
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Quote:
Originally posted by MaVo
[B] The BMS has triple aluminium demodulating rings, while the Beyma has nothing to prevent distortion at higher levels. B]

I dont believe thats true, looking at Beymas impedance they surely must have some kind of shortrings, but they dont tell anything
And I will probably not drive them with 1000watt anyway
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Old 4th August 2008, 11:16 PM   #109
MaVo is offline MaVo  Germany
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If they had advanced technology, they would advertise it. Everything else would be stupid of them.
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Old 4th August 2008, 11:18 PM   #110
tinitus is offline tinitus  Europe
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I dont believe its possible to have such flat impedance with a strong "motor" without having done something about it
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