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  #1  
Old 10-17-2011, 09:51 AM
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Any one have a good link or reference that explains the whole speakers, amp, sound and loud thang? I was reading the "are two 100W amps louder than a 200W amp post and still not tracking with the feedback.

Actually, is there a chart that describes the folowing:

Let's jst use 500hz as the source freq.
@ 1w a 1x10 = xx db
@ 1w a 2x10 = xx db
@ 1w a 4x10 = xx db
@ 1w a 1x12 = xx db
@ 1w a 2x12 = xx db
@ 1w a 4x12 = xx db
etc, etc.
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  #2  
Old 10-17-2011, 09:59 AM
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It's not that simple. At 500hz. For example, one 10" driver might play 91db and another 96db, a signficant difference. Basically size doesn't matter.
  #3  
Old 10-17-2011, 10:07 AM
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Quote:
Originally Posted by will33 View Post
Basically size doesn't matter.
Its how you use it
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  #4  
Old 10-17-2011, 10:19 AM
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Its how you use it
Will, You HAD to have known that was coming!!
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  #5  
Old 10-17-2011, 10:28 AM
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Well, size matters to a certain degree in terms of volume and dispersion. However, size doesn't dictate an inherent tone. Loudness depends a lot on sensitivity and maximum excursion. Most companies will give you the thermal rating of their cabs but the maximum mechanical limits of the speakers are well under this figure.

IIRC, BFM has said something along the lines of. It's more cost-efficient to reproduce low frequencies with large drivers, but as you go up in frequency, dispersion gets worse until the crossover frequency, and the mid/high drivers take over.
  #6  
Old 10-17-2011, 10:33 AM
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Quote:
Originally Posted by will33 View Post
It's not that simple. At 500hz. For example, one 10" driver might play 91db and another 96db, a signficant difference. Basically size doesn't matter.
This. Sensitivity for individual drivers and frequency response for those drivers are highly divergent. Also, the box that drivers are in can make a big difference as well.
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  #7  
Old 10-17-2011, 10:44 AM
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Will, You HAD to have known that was coming!!
Bait for the usual "that's what she said" jokes.
  #8  
Old 10-17-2011, 10:47 AM
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Originally Posted by Alex1984 View Post
Well, size matters to a certain degree in terms of volume and dispersion. However, size doesn't dictate an inherent tone. Loudness depends a lot on sensitivity and maximum excursion. Most companies will give you the thermal rating of their cabs but the maximum mechanical limits of the speakers are well under this figure.

IIRC, BFM has said something along the lines of. It's more cost-efficient to reproduce low frequencies with large drivers, but as you go up in frequency, dispersion gets worse until the crossover frequency, and the mid/high drivers take over.
True, a 15" cone moving say 3mm displaces more air than a 10" cone moving the same 3mm. That's also just one of a very many things to consider in speaker design.
  #9  
Old 10-17-2011, 10:52 AM
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Bait for the usual "that's what she said" jokes.
Would you have rather me said "Bigger is always better"? Then he'd be wondering why that 8x10 stack is putting his 2x15's to shame!
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It's not about what the band needs its about punishing your audience for not being worthy.
  #10  
Old 10-17-2011, 11:06 AM
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Yeah, the sensitivity is just as important as the size.
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  #11  
Old 10-17-2011, 11:09 AM
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Quote:
Originally Posted by xray View Post
is there a chart that describes the folowing:

Let's jst use 500hz as the source freq.
@ 1w a 1x10 = xx db
@ 1w a 2x10 = xx db
@ 1w a 4x10 = xx db
@ 1w a 1x12 = xx db
@ 1w a 2x12 = xx db
@ 1w a 4x12 = xx db
etc, etc.
No, because power and driver complement are only two variables in an equation that involves no less than fifteen variables.
  #12  
Old 10-17-2011, 11:20 AM
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Originally Posted by Toastfuzz View Post
Would you have rather me said "Bigger is always better"? Then he'd be wondering why that 8x10 stack is putting his 2x15's to shame!
Maybe. Output in the lows is all about displacement. While the single 10 may not move as much air as the single 15 you do have 8 of them moving instead of 2. Throw response in the mix and the 215 could still have more output in the very lower frequencies. Depends on a bunch of other design parameters.
  #13  
Old 10-17-2011, 11:25 AM
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Quote:
Originally Posted by will33 View Post
Output in the lows is all about displacement.
Trying to make this a bad sexual innuendo joke, failing miserably...
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It's not about what the band needs its about punishing your audience for not being worthy.
  #14  
Old 10-17-2011, 11:30 AM
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It's not the size of the cabinet, but the vibrant conal motion?
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  #15  
Old 10-17-2011, 11:39 AM
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Here's a list of articles by the Barefaced folks I just started reading. Good Stuff.

Seems to be along the lines of Gallien's thinking.

Barefaced Bass - BGM Columns

This is playing to what I'm hearing when I stand in the crowd and listen to other players. While I'm using a GK MB115 Combo & love the tone, I'm needing more power soon.

Played through a GK NEO 412 which was nice & I'm sure I'd be happy with, but PA guy kinda killed my adjustments. Hearing another player with great tone and cutting through using 2 GK NEO cabinets. Researching.

Keep it coming. Thanks.

Last edited by Bredian : 10-17-2011 at 11:42 AM.
  #16  
Old 10-17-2011, 11:45 AM
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Quote:
Originally Posted by Toastfuzz View Post
Trying to make this a bad sexual innuendo joke, failing miserably...
  #17  
Old 10-17-2011, 11:50 AM
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Quote:
Originally Posted by Toastfuzz View Post
Trying to make this a bad sexual innuendo joke, failing miserably...
I thought for sure this would go somewhere with a deep bottom or something similar
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  #18  
Old 10-17-2011, 12:05 PM
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Originally Posted by RobertUI View Post
I thought for sure this would go somewhere with a deep bottom or something similar
It was going to have something to do with my obsession with badonkadonk, but I figured no one would find it funny while I'm creepily cackling away in my cubicle
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It's not about what the band needs its about punishing your audience for not being worthy.
  #19  
Old 10-17-2011, 12:25 PM
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Quote:
Originally Posted by Bredian View Post
Here's a list of articles by the Barefaced folks I just started reading. Good Stuff.

Seems to be along the lines of Gallien's thinking.

Barefaced Bass - BGM Columns

This is playing to what I'm hearing when I stand in the crowd and listen to other players. While I'm using a GK MB115 Combo & love the tone, I'm needing more power soon.

Played through a GK NEO 412 which was nice & I'm sure I'd be happy with, but PA guy kinda killed my adjustments. Hearing another player with great tone and cutting through using 2 GK NEO cabinets. Researching.

Keep it coming. Thanks.
Thanks for the link - I’ve been eyeballing the Super 15.
  #20  
Old 10-17-2011, 12:34 PM
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Quote:
Originally Posted by Toastfuzz View Post
It was going to have something to do with my obsession with badonkadonk, but I figured no one would find it funny while I'm creepily cackling away in my cubicle
+1 now it's ME creepily cacking in my cubicle
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