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Completed Sonosub (picture) (1 Viewer)

JoelTW

Stunt Coordinator
Joined
Apr 1, 2003
Messages
110
Well, I finally finished it! :)

I'm a newbie to DIY and everything.. but it turned out pretty damn good. Anyways, just another picture to look at. :b

 

JoelTW

Stunt Coordinator
Joined
Apr 1, 2003
Messages
110
12" Dayton Titanic MKII
EBS design ~4.8L internal volume

powered by external PE250 amp

I think it is pretty good but it seems like it can't "handle" really big rumbles (i.e Monster's, Inc. sock explosion) :)

Maybe I did the port wrong or something :)

I have the amp level on halfway
 

Frank Carter

Screenwriter
Joined
Mar 12, 2002
Messages
1,187


I think it's just the movie. My Samson S1000 would always clip with my CS Ultra on the part when I was 10dB under reference.
 

JoelTW

Stunt Coordinator
Joined
Apr 1, 2003
Messages
110
So, which is it (amp or driver)? What is "clipping"? Sorry, I'm a newbie! :b

I'm just glad I got the subwoofer built (BTW thanks to anyone with picture guides this wouldn't be possible without the interesting links :D)
 

Frank Carter

Screenwriter
Joined
Mar 12, 2002
Messages
1,187
Clipping is a form of amplifier distortion, it sounds really nasty with the Samson amps.

What's the tuning frequency?
 

JoelTW

Stunt Coordinator
Joined
Apr 1, 2003
Messages
110
Well...not sure :) I used the full length... i suppose the WinISD calculated it to be around 19 Hz

btw here are some construction pics


I actually have 8 holes now


That was before getting the port in
 

Brett DiMichele

Senior HTF Member
Joined
Sep 30, 2001
Messages
3,181
Real Name
Brett
Very nice sub!

Clipping is when an amplification circuit is driven past
it's dynamic headroom. When operating within it's limits
the output is a smooth sine wave but when an amp is driven
into clipping, the gentle radiused peaks of the sine wave
are "clipped" off turning the sine wave into a square wave
and well, speakers don't like to reproduce square waves.
Generaly with mids and woofers it's not an issue but with
tweeters it can fry them instantaniously!
 

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