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1.4 SPECIFICATIONS
Input Impedance
Input Level
Output Impedance
Output Level
Threshold
Range
Compression
Ratio
Maximum Compression
Thre1hold
Q'laracteristic
Attack
Time
n
>
Release
Time
Output Gain
Slew
Rate
Dynamic
Range
<
2 1
Equivalent Input
Noise (unweighted)
Frequency ResponM
Distortion
Below Threshold
<>
>
Distortion
Above
Threshold
<
4
>
Metering
Meter Zero
Set
Indicators
Controls
and Switches
Connectors
Dimensions
Wei~t
Power Requirements
Acc!!ssories
Signal input: 60 kO, unbalanced; 100 kO, bllanced.
Detector input: 230
kn,
unbllanced; 460
kn,
balanced.
+24 dBm maximum.
22
n,
designed to drive
800 0
or greater.•
+24 dBm into 600
nor
greatar.
Variable from -40 to
+20 dBm
(7.8 mV to 7.8 V RMS).
Over E•y: Program-dependent. afflCtld
by
THRESHOLD, COMPRESSION
RATIO settings (COMPRESSION RATIO
control
determines maximum
compression ratio), continuously
variable
from 1:1 to •:1 to -1
:1.
Hard•knee: COMPRESSION RATIO Mttlng defines exact compression ratio.
continuously
variable
from 1:1 to•:1 to-1:1.
>60dB
Over Easy or hard•knN (switch
Alectablet.
Program-dependent: 15
ms
for 10
dB increae
in Input level
(above
threshold), 5 ms for 20 dB, 3 ms for 30 dB.
Program-dependent; varies automatically from 0-600
ms,
affected by
settings of front panel controls.
Variable from -20 to +20 dB.
>10 V/us
>113 dB
<-89 dBm, 20 Hz - 20 kHL
+<>,
-1dB, 20 Hz - 20 kHz.
2nd harmonic 0.07%; 3rd harmonic 0.07".
2nd harmonic 0.07%; 3rd harmonic
o.oa.
19 LEO INPUT or OUTPUT display from -40 to +20 dB, 12 LEO GAIN
REDUCTION display from
-1
to -40 dB.
-15dBm to +10 dBm.
BELOW/threshold/ABOVE (grNn, yellow, red),INPUT (red), OUTPUT (red),
SLAVE (yellow), BYPASS
(red).
THRESHOLD, COMPRESSION RATIO, OUTPUT GAIN, DISPLAY function
switch, meter zero adjust, BYPASS switch, SLAVE switch, OVER EASY
switch.
lnput/outpUt: TRS
phone
jacks
and
blrrier terminal.
Detector: barrier terminal
Strapping: TRS phone
jack
1·3/4"
H
x 19"
W x
9-1/4"
0
(4.4 cm x 48.3 cm
x
18.4
cm).
6.5 lbs (3.0 kg)
115/220 VAC
:t:
10%, 50-60 Hz, 8 W
AB· 1 active balanced output card.
'
(I)
Measured in the infinite
compres1ion ,~ion
of
tht
thrt1hold curve, tim. required to reduce
1i11nel
by
63~
of ltvtl
incrtaM (above threshohJl.
'
12) Defined••
tht
difference bet-n
the maxin1um 1i11nal
level
end the
"A"
weighted noiM floor••
mea,ured
at the
output.
(l
I l'.1111ured
et 1
kHz,
0 dBm
input
and output
.
1• 1
F,gures are typical at
infinite
comprnsio11. 1 kHz, 0 dBm
input and
output
-
2nd harmonic
is relatively
unaffected by compression
ratiti
,
time
constant, end freQuency, while 3rd harmonic decretMI with llower time con1111nta, higher
frequencies
ind lower compression
rauos
.
0
Tran1fo,,,,.,
for
i1ol•r«I
floating output •11•ilabl• dirat:tly
from:
Jl!111t!n Tr•n1form,r,,
10135
Burbank 8l11d.,
North
Hollywood,
CA
91601.
(SH
s«tion
2.3.4.J
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