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Old 9th March 2009, 05:51 AM   #1
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Default enclosure dimension help for boston pro acoustic 6.5

hi guys

i have this boston pro acoustic 6.53 car speaker that i want to convert to monitor speaker

can someone help me simulate the enclosure need to mount this woofer? i do not mind if the tweeter is mounted on top of the box. like the B&W

http://www.sonicelectronix.com/item_...er+System.html

Speaker Size 6-1/2"
Design 2-way Component System
Peak Power Handling 400 watts
RMS Power Handling 200 watts approx.
Sensitivity 90 dB
Frequency Response 50 - 22000 Hz
Impedance (per voice coil) 3 ohms
Top Mount Depth 5"

cant find the woofer parameters. is the above info help?

or an intelligent guess on the enclosure really helps.

thanks in advance

Erwin
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Old 9th March 2009, 06:33 AM   #2
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Location: Columbus Ohio
I am no authority on this, but I did a search and there is no reference to using enclosures when installed in a car, such as the door. So I would guess they are meant for an Infinite baffle or very large enclosure.

Hope that helps some...

Jon
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Old 9th March 2009, 07:09 AM   #3
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Do you mean open buffle setup?
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Old 9th March 2009, 10:37 AM   #4
sreten is offline sreten  United Kingdom
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Location: Brighton UK
Hi,

The short answer is it is more trouble than its worth, car speakers
do not like boxes and the crossover is completely wrong for a box,
and the dispersion of a "top" mounted tweeter.

Large open baffle + subwoofer is the easiest way to use as is.

/sreten.
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Old 9th March 2009, 11:06 AM   #5
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hi Sreten

can you suggest the baffle dimension? does the tweeter mounted on the top or on the same buffle?

TIA

erwin
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Old 13th March 2009, 02:14 AM   #6
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btt
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Old 13th March 2009, 12:41 PM   #7
sreten is offline sreten  United Kingdom
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Hi,

Size is not critical, the bigger it is the lower the subwoofer setting.

Mount the bass/mid at ~ 0.6 of baffle width and the baffle width
down from the top. Mount the tweeter directly above it. The bass/
mid should alo be around 1.6 x the baffle width up from the floor.
So hieght is ~ 2.6 x width.

There are other ways of doing it, but think about your average
door which is ~ 0.7m x 2m, needs 0.2m chopping off, an ~ 0.6m
door would need 0.5m chopping off, between these is ballpark.

/sreten.
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Old 14th March 2009, 02:29 AM   #8
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hi Sreten

this is the guideline i need. thx alot

i also read some suggest smaller size buffer width. with guideline that the buffer width is less than 2 times the woofer diameter. claim to improve performance. whats your opinion on this?

"Mount the bass/mid at ~ 0.6 of baffle width" does this mean that the driver is mount off axis right?

Erwin
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Old 18th March 2009, 01:14 PM   #9
sreten is offline sreten  United Kingdom
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Location: Brighton UK
Quote:
Originally posted by milen007
hi Sreten

with guideline that the buffer width is less than 2 times the woofer
diameter. claim to improve performance. whats your opinion on this?

"Mount the bass/mid at ~ 0.6 of baffle width"
does this mean that the driver is mount off axis right?

Erwin
Hi,

In open baffles baffle width determines bass extension.
The drivers are not centrally mounted, they are offset.

/sreten.
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