Dipole subwoofer

[diy]

Hi!

I had some hours left and I needed a subwoofer for my belowed QUAD ESL 63 electrostatic loudspeaker.

I ordered 12 15" quite cheap woofers with fs 26 Hz (modded to 24,5 Hz) and QTS 1,43 (modded to approx 1,4)

http://www.hififorum.nu/forum/topic.asp?TOPIC_ID=28336

All information is in Swedish so if you have questions just tell.
I'm not using the ICE-power modules but I will try them quite soon.

I am using MTaudio crossower with dipole compensation. It sounds great.
Another good feature is the phase control of this filter, that makes integration with the QUAD'S to a piece of cake!
The subwoofer dips 3dB at <18 Hz

 

[BTW]

Now that's one heck of a dipole sub Can you give more info on the MTaudio crossover, I'm looking for a good crossover.