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SUPPORT FORUMS FOR DECWARE SPEAKER PLANS >> DECWARE Imperial support forum >> 12" single full range cone in Imperial
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Message started by gravedigger on 05/23/07 at 05:16:10

Title: 12" single full range cone in Imperial
Post by gravedigger on 05/23/07 at 05:16:10

Hi,

Has anyone used or is using any 12" full range single cone in their Imperial speaker, such as a Fostex 12" or 12" Audio Nirvana? If so, is it an avenue worth trying, and were the results favorable?

Jules

Title: Re: 12" single full range cone in Imperial
Post by dank on 05/23/07 at 15:12:39

gravedigger and all

It looks to me like the 10" Audio Nirvana is a better fit for the horn loaded Imperial than the 12". Actually it looks to me like the 12" Audio Nirvana is a "weird duck" when its specs are compared to the rest of the Audio Nirvana line.

model Fs Qts Vas Fs/Qts
-----------------------------------------------
12" 33.5 .487 10.3 cu ft 69
10" 36 .286 3.6 cu ft 126
8" 37.5 .215 3.4 cu ft 174
6.5" 46.5 .203 1.3 cu ft 229

The 12" is the only one who's low Fs/Qts might imply that it may not be suitable for a horn loaded cabinet.
The Vas also seems to take a huge jump from the rest of the line.

I tried to find the 12" Fostex you mentioned but couldn't find it. Got a link to its specs?

DanK

Title: Re: 12" single full range cone in Imperial
Post by gravedigger on 05/24/07 at 04:34:53

Hi Dan,

So the specs of the 12" Nirvana is not suitable for a large horn? :( The Fostex FW405N is actaully a 15" cone, the link is from the Fostex site, there are a few other speakers on the page Including a 31" ::)
http://www.fostexinternational.com/docs/speaker_comp/FW-Series.shtml

Cheers

Title: Re: 12" single full range cone in Imperial
Post by gravedigger on 05/24/07 at 04:40:27

Here's a link to Madisound for the 12" Fostex FW305.

http://www.madisound.com/catalog/product_info.php?products_id=302