Current 18" options for LLT-Big Sonotube - Page 4 - Home Theater Forum and Systems - HomeTheaterShack.com

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post #31 of 34 Old 03-01-08, 06:54 AM
Matt
 
Join Date: May 2007
Posts: 99
Re: Current 18" options for LLT-Big Sonotube

Quote:
SteveCallas wrote: View Post
I think the Fi Q hits the sweet spot - you're getting more displacement than the Mach5, are able to dig a bit deeper, use more port area, and have a more damped driver. Keep in mind that the rolloff that shows up with your Fi model is a bit exagerrated due to the way WinISD models inductance and because your vertical scale is quite small. When built and measured in real life, all 3 options will have a relatively flat FR across the spectrum.
For what it's worth...I built my sonosub with the Q18 and have been extremely happy... Here's my build thread:

http://www.avsforum.com/avs-vb/showthread.php?t=938083

Here's my measurements thread
http://www.hometheatershack.com/foru...surements.html



Matt

Last edited by Mattlock; 03-01-08 at 07:04 AM.
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post #32 of 34 Old 03-01-08, 07:14 AM Thread Starter
Shackster
Bill
 
Join Date: Jan 2008
Location: Missouri
Posts: 64
Re: Current 18" options for LLT-Big Sonotube

Thanks for the input guys. I have more or less decided on the Fi and your input confirmed it. Kind of waiting on Scott (Fi) to get back with me - hopefully soon since it looks like I will be sending $ his way.

Looks like other than a few building materials I will get locally, I need to get an amp bought. Probably going to be Guitar Center online for a refurb EP2500.

Looks like I am copying Mattlock.

Thanks again,
Bill
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post #33 of 34 Old 03-01-08, 01:47 PM
Matt
 
Join Date: May 2007
Posts: 99
Re: Current 18" options for LLT-Big Sonotube

Quote:
Bill 3 wrote: View Post
Thanks for the input guys. I have more or less decided on the Fi and your input confirmed it. Kind of waiting on Scott (Fi) to get back with me - hopefully soon since it looks like I will be sending $ his way.

Looks like other than a few building materials I will get locally, I need to get an amp bought. Probably going to be Guitar Center online for a refurb EP2500.

Looks like I am copying Mattlock.

Thanks again,
Bill

You won't be dissapointed....look forward to seeing your progress...you may even convince me to build a second twin to sit beside my first one..
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post #34 of 34 Old 03-04-08, 07:43 AM Thread Starter
Shackster
Bill
 
Join Date: Jan 2008
Location: Missouri
Posts: 64
Re: Current 18" options for LLT-Big Sonotube

Q18's and EP2500 have been ordered. Sonotube and MDF have been aquired. No turning back now.
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