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-   -   Small desktop TQWT speaker with TB W3-871SC (http://www.diyaudio.com/forums/full-range/201181-small-desktop-tqwt-speaker-tb-w3-871sc.html)

Flops 25th November 2011 08:26 PM

Small desktop TQWT speaker with TB W3-871SC
 
Hello diyaudio community,

I had an idea for a small desktop speaker which should work using the TQWT principle:

http://dl.dropbox.com/u/15694295/Box_Idea.png
What do you think, will it sound ok?

Technical stuff:
The pipe is nearly 70cm long so it should amplify 122 Hz. I want to get a little bit of bass out of it but I have no idea how I can make the pipe longer without over complicating things.
The slot is 3x100x30mm, is this alright?
I plan using the TangBand W3-871SC.
Is it possible to simulate the enclosure before building it (I'm on a mac)?

Thanks in advance
~Flo

planet10 26th November 2011 12:33 AM

To simulate it you'll need the MJK worksheets. The MathCAD to run them only works in Windoz. I have yet to see if it will run in CrossOver Mac, but if i have to i do own WinXP and VirtualBox is free (althou Parallels is a lot slicker).

dave

Flops 26th November 2011 06:29 AM

Thanks, I will simulate it later and post the results (I can probably borrow my brother's latptop and use windows nonetheless).

~Flo

Flops 26th November 2011 09:47 AM

Is it possible to use Akabak or ABEC2 to simulate my speaker design? I don't want to spend money on MathCAD, yet.

Flops 27th November 2011 04:21 PM

1 Attachment(s)
I just did my first simulation using AkAbak, here is what I did:
http://www.diyaudio.com/forums/attac...1&d=1322414373
Can someone check if I did everything right? Here are the TSP of the TangBand: http://www.tb-speaker.com/detail/1208_03/w3-871sc.htm

Shall I add more parameters?

Thanks in advance
~Flo


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