Home Speaker Asylum

General speaker questions for audio and home theater.

Spec inconsistencies...

...the 801M Series II spec states exactly as what you posted regarding crossover alignments. However...........in the discussion section of the 801 users manual preceding spec tabulation: "It should be noted that the loudspeaker may be used perfectly satisfactory without this additional [BAF] filter giving the system a fourth order Bessel alignment." In the case of the 801, the BAF is actually a S&K 2nd order HP filter with fc~20Hz and Q=2. All this is consistent with 4th order Bessel w/o BAF and 6th order Butterworth w/BAF. I assume, maybe incorrectly, that the 802 is same basic design w/diff fc.

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