Orban 424A - Page 46

Appendix
B:
Specifications
INPUT
Impedance: greater
than
10 k
ohms
active balanced:
RF
suppressed
LEVEL: -I5d8m produces
lOdB
gain
reduction
with ATTACK
TIME
control centered, INPUT
AITEN
control fully CW, and
RATIO control
at infinity-to-one
OUTPUT
Impedance: approximately 100 ohms,
electronically balanced
to ground;
RF
suppressed
Level:
+4dBm nominal;
absolute
peak
overload
occurs
at
+26dBm
FREQUENCY
RESPONSE
±0.25dB
20-20,000 Hz below limiting
and de-esser thresholds
COMPRESSOR/LIMITER
SECTION
Attack
Time: manually adjustable in
approximate range
of
500us
to 200ms;
automatically
scaled by
program content
Release Time:
adjustable
in approximate
range of 0.8dB/sec to
20dB/sec; automatically
scaled
by
program
content.
Switch-selectable
LINEAR and
EXPONENTIAL
release
shapes.
Compression
Ratio:
adjustable
from 2:1
to infinity-to-one
at threshold. Lower ratios
automatically increase beyond
threshold.
Range Of Gain Reduction: 25dB
Tracking
Of
Multiple Channels: ±0.5dB
Total Harmonic Distortion (ATTACK and
RELEASE
TIME
controls centered; infinite
RATIO;
l5dB gain reduction):
less than
0.03%
@1
kHz. Typically
0. 1 1
%
@20Hz; 0.02%
@l00Hz. 0.01% @lkHz; 0.04%
@10kHz.
SMPTE
IM Distortion
(controls set as
above;
60/7000HZ 4:1; !5dB gain
reduction):
typically
0.05%
DE-ESSER SECTION
Attack
Time: approximately 1 ms
Release Time:
approximately
30
ms
Harmonic Distortion:
less
than 0.05% THD
introduced
by
de-essing
action @I0kHz
Available
Gain
Reduction: greater than 25dB
SYSTEM
NOISE
RMS noise in
20-20kHz bandwidth better
than 85dB below output clipping
threshold
for
any degree of gain reduction;
90dB
typical.
OPERATING CONTROLS
Compressor/Llmlter
INPUT ATTENUATOR
COMPRESSION
RATIO
ATTACK
TIME
RELEASE TIME
RELEASE SHAPE
GATE THRESHOLD
OUTPUT TRIM
IDLE GAIN
COMPRESSOR/LIMITER OPERATE/DEFEAT
OUTPUT LEVEL (REAR PANEL)
De-Esser
THRESHOLD
DE-ESSER OPERATE/DEFEAT
General
STEREO
COUPLING
(424A only)
POWER
ON/OFF
INDICATORS
Compressor/Limiter
GAIN
REDUCTION
METER
GATED LED
VCA
LEVEL METER
De-Esser
NORMAL
De-essing LED
HEAVY
De-essing
LED
Power Requirement
115/230 VAC
±
10%;
50-60HZ. U-ground
power cord attached;
RF
suppressed
Dimensions
19"
|48.3cm)
wide x
3.5"
(8.9cm/2
units) high
x
10"
(25.4cm)
deep
Operating Temperature
0-45°
C
Warranty
One year, parts
and labor.
Subject to
limitations
set forth in our
Standard
Warranty
Agreement.
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