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-   -   notch in the low bass (http://www.diyaudio.com/forums/multi-way/87354-notch-low-bass.html)

Williams Audio 29th September 2006 07:45 AM

notch in the low bass
 
Hi,
well, i didn't become more enlighten from the 'time correction and units alignment' I launched a week ago; first i use a 3 way active Xover and may be? only the position of the units can make a change.
i didn't feel any differences by moving the position of the units.

What i did figure out is a notch in the low bass response, i use pink noise from a tdk cd, at about 80 hz is a notch, very audible.
The spk enclosure is 3cm thick MDF; h=98cm, w=27 cm, d=46cm, i use 2 scan-speak 8'' 8 omh
In parallel with a bass reflex port 8cm diameter/12 cm long.
Any ideas for testing and how to over come the notch are very well come.
Best regards
Williams


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