SD12 subwoofer driver

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Al Garay

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SD12 subwoofer driver
« on: 20 Feb 2007, 05:15 pm »
Hi Al,

This is to capture some of the details and experiences of subwoofer projects using the new CSS SD12 driver.
http://www.rawacoustics.com/item__SD_12,818.html

Known implementations:
* 16" cube Sealed from CSS
   http://www.creativesound.ca/pdf/Visio-SD12.pdf

* 68 liter ported
   http://www.timn8er.com/cliff_subwoofer.htm

* Dual sealed from Raw (in testing, info coming?)

RAW

Re: SD12 subwoofer driver
« Reply #1 on: 20 Feb 2007, 05:33 pm »
Al.
We have a few subs getting finished now.
The SD1 uses a single SD12 driver in the 16" cube sealed with no boost or eq the sub is tuned to 32hz.
We were doing some measurements yesterday ,with the single in a 12X14 room with using the A400 amp setting some eq and boost then the SD1 was tuned to 25hz and was very capable with power handling.
We were measuring EQ changes and settings on the A400 amp with the SMS-1 from Velodyne.
Then we used the features of the SMS-1 with this SD1 setting the in room eq measurements.

We are next going to be doing all the in room and cabinet measurements on the SD1,SD2(twin driver) with the A400,Bash 300,Bash 500 using the stock plate amps as well as combined with the B-1.Then with a Crown.

Using the SMS-1 makes quick work of measments in room for these subs as well as the changes on the fly for eq and boost.Then capture on a screen on the laptop.
By the way you use your TV screen to view the SMS-1.