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Discussion Starter · #1 ·
I am that final stage I think of my new 3 way and since I cant fiand any cdt 04's im down to these


tweeters LPG 25NFA 4KHZ and up 24 db slope
midrange?? 200HZ to 4KHZ 24db slope
Midbass peerless xls 8" 50HZ to 200hz 24 db slope


tweets/mids in the A pillars (aimed at the drivers left ear)



Option A

two of these in each pillar (so a total of four) sealed in the back, as the sensitivity is only 84db and 20W rms

NS4-255-8D1 4" Wide Range



frewquency response

http://www.madisound.com/pdf/aurasound/ns4-255-8d.pdf


Option B





2 vifa PL14WJ09-08 (one in each pillar) 5.5: mid

graph




details

http://www.tymphany.com/vifa/vifa.php?line=PL line

click PL14WJ09-08 link
 

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cam2Xrunner said:
I'm thinking the DLS UR2.5 would be easy to install. It's got it's own sealed chamber so airspace is not a concern.
A pillar air space is next to nothing, if you must have mids up there, make it a sealed chamber mid.
 

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audax makes some very kickass 4" mids....might be worth a look...
 

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The choices I would recommend are not listed above. (And are not the ATC, which is huge expensive and just plain HUGE.)

I'm just not a fan of the Vifa PL's. Any of them. I don't think they're as good as the equivalent Vifa Classic Series drivers. Instead of the PL11, the M10 would be my preferred paper Vifa. This driver is strangely overlooked, but it's a got VERY good transient response and makes a nice midrange that by the standards of the very best midranges today is maybe a little darker. Less efficient but more detailed and even more liquid is Vifa's 10BGS. Honestly, I have no idea why nobody in America knows about this drive-unit. It's spectacular. In Europe it's probably been the best-selling hobbyist driver for the last three or four years running.

Also, why Aura NS4 instead of NS3? The NS3 has a better-behaved cone, would be less visually obtrusive, and in an A-pillar MTM who cares about sensitivity?

A midrange from another brand that I’d recommend considering is the Audax HM100Z0, which is on sale at Madisound and a fabulous midrange. (My all-time favorite midrange driver is the 130mm version of this driver, the old Audax HM130Z0. The 4” carbon midrange listed above is very similar to the midrange driver used in the excellent first-generation Von Schweikert Research speakers, but I prefer the HD-A cone to the carbon cone on the same motor.) It’s more tricky to work with than the smooth-and-linear-forever 10BGS, though. Also, Audax abandoned DIYers whem Harman Int’l bought them and made them in-house driver maker for Revel et al, so buy spares if you go with the Audax...
 

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I wholeheartedly recommend ATC. I don't think you'll like the price though...

FWIW, I generally choose driver's based on their linear/non-linear performance first, price second, and then frequency response + t/s parameters last.

You may want to check out the links posted here before deciding:

http://www.diymobileaudio.com/forum/viewtopic.php?t=6
 

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Discussion Starter · #10 ·
OUCH THAT ATC is 500 EACH over at solen WHOA!!! lol

NEXT

anyway Im pretty certain im goung dual ns3's

cheaper and easier to install

check these new tangband they look nice

titanion cone, and 88db, only 1.5 mm xmax though?

1) W3-1231SH

http://www.tb-speaker.com/detail/1230_04/w3-1231sh.htm






2) W3-1335S

http://www.tb-speaker.com/detail/1230_04/w3-1335s.htm








Now while, I will say that while IM STILL LEARNING!!! OH sooooo true

this DIY speaker hunting stuff is rather fun :)

ima bonafied speaker geek LOL
 
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