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Old 28th November 2007, 07:44 PM   #1
Tomac is offline Tomac  Croatia
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Default Paudio coaxial: BIB or Sachiko?

Browsing through plans Scottmoose and Dave recently published it occured to me that this coaxial could work both in Sachiko and BIB. I tried simulating BIB, but don't have any knowledge how to do the Sachiko simulation for that driver. Also I'm pretty unsure what would be optimum length of BIB for that driver.
Any ideas?
Thanks in advance
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Old 28th November 2007, 07:54 PM   #2
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WRT a BIB, you could try this using the regular calculations.

67.5in tall, 10.25in wide, 14.5in deep, Zdriver 29.5in. I've tuned it to 50Hz. Don't try going below this though.
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Old 28th November 2007, 10:01 PM   #3
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How much are those coax drivers? I've never seen them before. Interesting how they chose the tweeters they did to match up with those woofers. I wonder how they sound? Lately i've been wanting to try pro drivers.
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Old 29th November 2007, 12:18 AM   #4
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Quote:
Originally posted by Scottmoose

67.5in tall, 10.25in wide, 14.5in deep, Zdriver 29.5in. I've tuned it to 50Hz. Don't try going below this though.
What about just using the 'stock' BIB height (~48.78 Hz), driver location except on its side due to its depth? This would raise the driver a little and reduce wide/depth to ~10.18"/14.4".

GM
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Old 29th November 2007, 03:08 AM   #5
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Quote:
Originally posted by Godzilla
How much are those coax drivers? I've never seen them before. Interesting how they chose the tweeters they did to match up with those woofers. I wonder how they sound? Lately i've been wanting to try pro drivers.
Dunno in the US, but I paid $A120/ea on closeout. They're actually quite good sounding based upon my limited testing with a far from optimum xover. The HF drivers apparently have Al diaphrams. I think they have potential.
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Old 29th November 2007, 10:11 AM   #6
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Quote:
Originally posted by GM

What about just using the 'stock' BIB height (~48.78 Hz), driver location except on its side due to its depth? This would raise the driver a little and reduce wide/depth to ~10.18"/14.4".GM
Looks good to me.
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