Just ordered a set of Alpair 12P (Madisound USA) - Page 2 - diyAudio
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Old 15th June 2012, 10:28 PM   #11
chrisb is offline chrisb  Canada
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Originally Posted by Monte Verdi View Post
Mine are ordered as well, now looking for a box! Is BIB a possibility, or overkill?


Overkill, in DIY audio? - c'est ne pas possible

but rather than attempt for maximum theoretical LF output with this driver, I'd be inclined towards something that sacrifices extension for linearity / "finesse" - easy for me to say, cause the boxes are 2/3 built awaiting drivers to confirm dry fitment of bracing parts
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Old 16th June 2012, 02:06 AM   #12
mp9 is offline mp9  United States
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...so when do we get to see the plans for those 2/3 built boxes?

And btw, just how much extension are you losing over the pencil's?

I like the idea od linearity, when they're up and running, 'd like to see a transfer function Fq/Ω.
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Old 16th June 2012, 02:37 AM   #13
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...so when do we get to see the plans for those 2/3 built boxes?
They will be part of the Alpair 12 miniOnken paid planset.

dave
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Old 16th June 2012, 04:00 AM   #14
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Quote:
Originally Posted by chrisb View Post
Overkill, in DIY audio? - c'est ne pas possible

but rather than attempt for maximum theoretical LF output with this driver, I'd be inclined towards something that sacrifices extension for linearity / "finesse" - easy for me to say, cause the boxes are 2/3 built awaiting drivers to confirm dry fitment of bracing parts

Thanks Chris!

Prefer the finesse over big low end. It will undoubtedly be very interesting how box and speakers do upper register and (mid) lows . I plan on OB experiments as well good luck!

Ramon
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Old 16th June 2012, 02:43 PM   #15
ejfud is offline ejfud  United States
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Originally Posted by planet10 View Post
They will be part of the Alpair 12 miniOnken paid planset.

dave
Will be watching for the release of this set Dave. Can't wait to start building.
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Old 16th June 2012, 05:48 PM   #16
ejfud is offline ejfud  United States
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They have landed in St Paul.

Beautiful drivers Mark!
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Old 18th June 2012, 10:58 PM   #17
StevenZ is offline StevenZ  United States
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Am I perhaps looking in the wrong place or are the Super Pensils enclosure plans not yet up?
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Old 18th June 2012, 11:10 PM   #18
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Scroll down to post #77 in the link:

Alpair 12P Gen. 2 (paper cone)

jeff
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Old 19th June 2012, 11:02 AM   #19
StevenZ is offline StevenZ  United States
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Thanks Jeff!
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Old 19th June 2012, 04:30 PM   #20
chrisb is offline chrisb  Canada
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Please remember that if you plan on rebating the 12Ps for flush mounting that allowing for gasket compression and possible veneer finish, the required depth for flange and super-gasket is 10mm - so a single layer of 18mm won't leave a lot of meat for fasteners, particularly after the rear of opening is relieved with chamfer or round-over.

On the MK12Ps currently on the bench I used 18mm + 6mm ply for the baffle, which leaves approx 14mm of core for the hex head mounting screws.
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