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Flops 25th November 2011 09:26 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:
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

planet10 26th November 2011 01:33 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).


Flops 26th November 2011 07:29 AM

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


Flops 26th November 2011 10:47 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 05:21 PM

1 Attachment(s)
I just did my first simulation using AkAbak, here is what I did:
Can someone check if I did everything right? Here are the TSP of the TangBand:

Shall I add more parameters?

Thanks in advance

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