chakija Messages: 14 Registered: October 2011 Location: Serbia
Chancellor
Hi Wayne.
I wanted to thank you once again for all the effort on developing of pi speakers!
Here are some results of measurements that I took recently.
Microphone is WM61A and I used integrated sound card on my laptop.
rkeman Messages: 78 Registered: March 2010 Location: Florida
Viscount
The measured response looks excellent and similar to the measurements that I've done with the 3Pi (AE TD12S, B&C DE250 and Eminence H290). Try doing some in-room analysis and experiment with the speaker and listening positions. Even small changes can make for significant improvement.
chakija Messages: 14 Registered: October 2011 Location: Serbia
Chancellor
Thanks
BTW, measuring was performed from 1m on axis with loudspeaker`s mid-center, with mid-center between drivers approximately on 1/2 room`s height.
Measuring equipment is as much poor man`s as possible
Mic stand and holder are the things that I am most proud of.
I will try to play more with room position and measure response.
I think my next step will be building flanking sub`s. What do you think of using some car audio subwoofers for this purpose?
chakija Messages: 14 Registered: October 2011 Location: Serbia
Chancellor
Here are results of offset measurement.
on 15deg, which is normally listening position, response almost looks unreal.
Overal sensitivity of loudspeaker is around 91db.
Is there a thread regarding subwoofer drivers selections and how to connect and integrate them into system?
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