Ashly Audio 4.24D - Manual (Page 13)

13
- PROTEA SYSTEM II 4.24D /
, , Butterworth, Bessel
Linkwitz-Riley. ,
. 24dB/octave Linkwitz-Riley
, ,
, . 24dB/oct Linkwitz-Riley ,
Ashly. ,
.
, 4.24D.
Butterworth
Butterworth -3 ,
" " .
Butterworth HPF LPF , +3dB.
Butterworth 12dB , ,
.
Bessel
-3dB . ,
. , Bessel
. Bessel HPF LPF ,
+3dB Bessel 12dB/oct, 18dB/oct 48dB/oct, -2dB Bessel 24dB/oct.
Bessel 12dB/oct 18dB/oct, ,
.
Linkwitz-Riley
Linkwitz-Riley 12dB/oct, 24dB/oct,48dB/oct -6dB
, 18dB/oct - -3dB. , Linkwitz-Riley
HPF LPF,
. Linkwitz-Riley 18dB/oct
Butterworth18dB/oct, . . Butterworth
Linkwitz-Riley.
Linkwitz-Riley HPF LPF ,
. Linkwitz-Rileyith 12dB/oct , ,
.
7.4g Delay
. .
(377 / 20°C),
, ,
. , -
. ,
,
, . Protea 4.24D
682 ,
,
235 .
Same sound arrives at
two different times.
Fix by delaying secondary
speakers 177mS.
Speaker on
Main Stage
Secondary Speaker
200 ft from Main Stage
Long Time Delay
For Remote Speakers