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Old 7th November 2012, 10:07 AM   #271
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we'll know more when you give us exact measured T/S , but I'm not expecting small boxes however ; what's dictating size is F3 and , combined with certainly not so low Vas ......

so - with 2 per side , it will go bigger than with one 15" , most probably , while I'm not expecting that solution significantly superior to one 15"

remind me ( yakyak , multitasking & multithreading , while I'm dumb ) where in thread are T/S for these JBLs ?

what I'm urging you all the time , is to go TQWT or MLTL ( whatever , I'm too dumb to differentiate them properly ) and leave plain BR for non-unitiated ones
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Old 7th November 2012, 10:12 AM   #272
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Fs-20
Qts - .21
Qms - 1.8
Qes - .41
Vas - 736.2
re - 8.8
Le - 2.2
BL - 22
MMS - 97
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Old 7th November 2012, 10:30 AM   #273
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something's wrong

while inputing data in MJK ML TL sheet , I'm getting Qts of 0.334 from rest of data
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Old 7th November 2012, 10:48 AM   #274
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Qms is supposed to be 5.5, Qes is .21. Sorry, typing on phone.
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Old 7th November 2012, 11:04 AM   #275
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then later , this evening

gotta go
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Old 7th November 2012, 01:59 PM   #276
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Quote:
Originally Posted by buzzforb View Post
I wasn't saying looks had something to do with it, but speculating that in a long narrow room, continuing to back up further might not help because room reflections would come into play even more.
Again, speaker directivity [polar pattern] combined with proper toeing in and vertical height location limits these to a BW low enough to where they are down where our hearing acuity is falling off enough to not be an issue.

The closer you sit, the more you have to pull the speakers away from the side walls and the narrower the 'sweet spot' for a given speaker directivity.

Assuming you’ve chosen a ‘good enough’ directivity design for the speaker/LP ‘triangle’, worst case is you may need a nice thick area rug if you have a hard floor and maybe some decorative wall hangings near the speakers.

Whatever you do, don't have any reflective objects between the speakers and LP. I've auditioned/seen many otherwise properly done systems that were totally compromised by a coffee and/or end tables and/or a ‘lowboy’ front projector.

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Old 7th November 2012, 03:26 PM   #277
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Quote:
Originally Posted by buzzforb View Post

Fs-20
Qts - .202
Qms - 5.5
Qes - .21
Vas - 736.2
re - 8.8
Le - 2.2
BL - 22
MMS - 97
Which driver? Sd used?

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Old 7th November 2012, 04:38 PM   #278
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Jbl le15a
Sd is 880
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Old 7th November 2012, 05:22 PM   #279
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hehe

I'm wisely steppin ' aside
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Old 7th November 2012, 05:30 PM   #280
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buzz - not so bad results in same box I'm gonna use for my Tanns

NB that few details/dims are still missing on pic , but that's it in principle
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