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Old 16th September 2006, 11:04 PM   #101
GM is offline GM  United States
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Greets!

This one has a lot of potential since it's already been proven in compression loaded versions.

GM
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Old 16th September 2006, 11:19 PM   #102
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Hi, GM, I take it by compression you mean "frontloaded" basshorn....thought about that too...turned 45 degree, up against the wall it will be big but dont take up much space.....or maybe backloaded still, with a nice coaxial
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Old 17th September 2006, 12:51 AM   #103
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To please Dave and get back on track, I have made it more "Frugel-like".....small driver and middle can be cut out....very odd thing this

Well, enough of that, too much excitement, and nothing build
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Old 17th September 2006, 02:00 AM   #104
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Quote:
Originally posted by tinitus
To please Dave and get back on track, I have made it more "Frugel-like".....small driver and middle can be cut out....very odd thing this

Well, enough of that, too much excitement, and nothing build

That design does indeed work. It's common with pro audio subwoofers. There's a... errr... club in Vancouver called Cecil Lounge that has one of those under the stage.
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Old 17th September 2006, 02:00 AM   #105
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Quote:
Originally posted by tinitus
This will take a very experienced builder, and I am not sure it will be worth the trouble

Oh, hi Dave, yes It just got thinking of the "spiral" ?

This configuration actually has a benefit. If you keep them away from side walls, the higher frequencies from the horn will not interfere with the main output so much. I actually have a MTM in a similar configuration.
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Old 17th September 2006, 10:54 PM   #106
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Default One down...

Finally got one Sprugel to the functional stage!
Currently playing Tori Amos from a personal CD player but sounding good for all that!
Another 3 weeks or so and I might have the other one built, and then I can think of finishing!
Yes, I know it's MDF, but I was finding Baltic a challenge to source, and in the end used the maxim of better te poorer choice than nothing at all!
Cheers
Dave
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Old 18th September 2006, 12:14 AM   #107
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you beat Scott to 1st pictures!

The cutaways look good....

dave
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Old 18th September 2006, 01:28 AM   #108
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What is that on the wall just to the left of the TV?
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Old 18th September 2006, 03:37 AM   #109
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Default How about this?

Quote:
Originally posted by tinitus
Played a bit, not much longer, but a bit

If I'm looking at this drawing correctly, the driver faces forward and the horn's mouth exits to either side. Is that correct? Then there wouldn't (shouldn't ?) be any problem doubling the depth adding a rear firing driver and having a bipole double sidefiring horn. I'm not sure that it's a good idea, but hopefully it's better that a really rotten idea. If I remember correctly, Kurt Chang (on another forum) showed a picture of a friend's speaker that had bipole front (and rear) horn loading.

Ok, that's about as clear as mud...............the front facing and the rear facing drivers both had a front loaded horn attached to the respective driver.
I'm not sure how you'd figure efficiency and spl levels for something like this though, I'm tired and the old brain's straining as it is.
Maybe tomorrow :^)
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Old 18th September 2006, 07:36 AM   #110
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Quote:
Originally posted by planet10


you beat Scott to 1st pictures!

dave
No he didn't... look on page 7 of the thread. I like the cutaways too though. Got some pictures of the completed pair on a digital camera. Now all I have to do is figure out how to download them from said camera onto the computer.
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