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Old 17th June 2009, 04:39 PM   #1
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Default tapped horn isobaric drivers

Would a pair of drivers in an isobaric arrangement (cone to cone) work in a tapped horn? Assuming the throat area is large enough to accomodate the rear of one driver of course. Can this be modeled in Hornresponse by just adding the other driver in the driver arrangment window?
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Old 17th June 2009, 05:19 PM   #2
bjorno is offline bjorno  Sweden
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Hi

FYI,Here's an example showing an isobaric T-TQWT HR simulation I hesitated to post as the thread* starter seems to be gone?

*
Using Monacor IMG Stageline SP385-G as subwoofers for movies?


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File Type: gif 2xmonacor sp385-g t-tqwt-isobaric.gif (80.5 KB, 257 views)
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Old 17th June 2009, 05:42 PM   #3
AndrewT is offline AndrewT  Scotland
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I'll guess that the 107dB/m is for 8W input power or ~98db/W/m when specified conventionally.

It also appears that @ ~35Hz the speakers run out of Xmax @ ~12W, giving about 109dB/m max SPL.

Can you improve on either the 98dB or the 109dB by going to dual/parallel rather than isobaric?
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Old 18th June 2009, 02:07 AM   #4
bjorno is offline bjorno  Sweden
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Quote:
I'll guess that the 107dB/m is for 8W input power or ~98db/W/m when specified conventionally.
Right.

Quote:
It also appears that @ ~35Hz the speakers run out of Xmax @ ~12W, giving about 109dB/m max SPL.
Right again.

Quote:
Can you improve on either the 98dB or the 109dB by going to dual/parallel rather than isobaric?
Yes, but first, there is a question whether the box size is tolerable.

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File Type: gif 2xmonacor sp385-g t-tqwt-parallel.gif (78.6 KB, 194 views)
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Old 18th June 2009, 02:42 AM   #5
GM is offline GM  United States
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Quote:
Originally posted by bjorno
.........I hesitated to post as the thread* starter seems to be gone?
It's still here, scroll down to Wednesday, June 10th.......

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