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CONTENTS
13.2
Each output has an independent high pass filter and an independent low
pass filter. Both filters have a range of selectable slopes which are Bessel
12dB, 18dB and 24dB, Butterworth 12dB, 18dB and 24dB, and Linkwitz
Riley 24dB.
Highpass filters have a range of <10Hz (through) to 16kHz and Lowpass
filters have a range of 22kHz (through) to 59Hz in 1/36 octave steps.
HPFs and LPFs can be asymmetrically set.
To adjust HPF/LPF settings:
Use the FREQ control for the frequency.
Use the Q control for the slope.
13.3
Each output has an independent high performance limiter.
All limiters have an attack range of 0.3ms to 90ms, release times are 4, 8,
16 and 32 times the attack time and thresholds range from +22dB to –10dB
in 1dB steps.
If the automatic limiter time constant option is in use, all limiter screens will
say 'automatic' and the time constants will be set from the Highpass filter
frequency. A table of dB to Vrms is in appendix 1.
The output meters are linked to the time constants of the limiters so true
output metering is achieved.
To adjust limiter settings:
Use the FREQ control to adjust the attack time.
Use the Q control for the release time.
Use the GAIN control for the limiter threshold.
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High and lowpass filter screens
OP1+4
<10Hz
Limiter screen
OP2+5
Atk:4.0mS
Martin Audio – DX1 Speaker Management System
APPLICATIONS GUIDE
Low
HPF
Bessel 24dB
Mid
Limiter
Rx16
15
GUIDES
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