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Old 17th October 2003, 01:50 AM   #1
Hamish is offline Hamish  Australia
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Default Bi-amped TL question

I've been thinking about making a bi-amped TL using 2 seas 8" drivers (CA21RE i think they are) and a millenium tweeter. One woofer doing below 300Hz, the other up to 3000Hz or there abouts. Now, do i model it as if it were one driver or two?
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Old 17th October 2003, 03:53 AM   #2
GM is offline GM  United States
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Two.

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Old 17th October 2003, 04:19 AM   #3
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two.

You are driving the 0.5 8 with one amp and the other+ T with the other?

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Old 17th October 2003, 04:23 AM   #4
Hamish is offline Hamish  Australia
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Yep. That was the plan, 100w for below 300Hx, 100w for all above (woofer + tweeter). I was thinking that it should be modeled for one driver, but i could be wrong
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Old 17th October 2003, 04:54 AM   #5
Hamish is offline Hamish  Australia
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OK, so two. But i would have thought you were only tuning it for the resonant frequency of one driver?
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Old 17th October 2003, 11:09 AM   #6
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Quote:
Originally posted by Hamish
Yep. That was the plan, 100w for below 300Hx, 100w for all above (woofer + tweeter). I was thinking that it should be modeled for one driver, but i could be wrong
So it is a 3-way and not a 2.5 way? With 2 midbasses the same, 2.5 seems to make more sense.

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Old 17th October 2003, 07:43 PM   #7
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>100w for below 300Hx, 100w for all above (woofer + tweeter). I was thinking that it should be modeled for one driver, but i could be wrong

====

Do what?! Are you saying that only one driver will be used below 300Hz and that the other 8" will be in its own cab? If so, then you're right, but as Dave noted, this isn't a good plan. If they're both open in the TL, i.e. a 2.5 way, then you need to double the pipe's cross sectional area to account for the extra driver.

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