Specifications
Type:
Solid-state stereo power console using discrete
components and integrated circuits
Inputs:
Eight input channels: six high- andior balanced
low-impedance mic inputs, plus two aux inputs
Graphic Equalizers:
Two 10-band, fully combining,
minimum-phase, octave type, normally connected to
power amplifier inputs; 13 dB boost or cut at 63,125,
250,500 Hz,
1,2,4,8 and 16 kHz; BELOW 63 Hz 12
dBloctave cutoff filters (10 dB down at 31 Hz)
Power Output:
Both channels One channel
driven driven
Per channel14 ohms 200W min. 240W typical
Per channel18 ohms 125W min. 145W typical
Measured at 1 kHz, 120
Vac, 1
%
THD
Distortion:
THD typically less than 0.1
%
at 40 Hz and
1 kHz, 0.25% at 15 kHz,
IM distortion typically less than
0.25% (One channel driven, 180W or less to 4 ohms,
110W or less to 8 ohms, measured from low-impedance
input with individual and master controls at typical
settings)
Low- and High-Frequency
lnput Equalization:
213 dB at 100 Hz and 10 kHz
lnput Clipping Indicators:
Light 3 dB below input or
equalizer clipping level
DB Peak Indicators:
Indicate power amplifier peak
voltage;
+6 dB LED indicates 100 watts sine-wave
output to 4-ohm load
PA Overload Indicators:
Light when power amplifier
THD exceeds 1
%;
fully on at 5%
Input Sensitivity:
BAL LO IMP 0.6 mV
(full power output)
HI IMP
8
mV
AUX 21 5 mV
EQ INPUT 960 mV
PA INPUT 960 mV
lnput Clipping Level:
BAL LO IMP 700 mV to 21 mV (INPUT ATTEN -30 to 0)
HI IMP
1 OV to 335
mV (INPUT AlTEN -30 to 0)
AUX
30V to 1 OV (VOLUME from
0
to 10)
Voltage Gain:
94 dB BAL LO IMP INPUT to SPEAKER OUTPUTS
Levels and Impedances:
Nominal Maximum Actual Working
Circuit Level Level Impedance Impedance
BAL LO IMP INPUT 5 mV 700 mV 1 k 19-300 ohms
HI IMP INPUT 50mV
10V 145k 1OOk or less
AUX INPUT
0.5V 30V 50k 1 Ok or less
MIX OUTPUT 1V 9V 2.4k 2k or more
EFFECTS OUTPUT 1 V
9V 2.4k 2k or more
MONITOR OUTPUT
1V 9V 2.4k 2k or more
EQ
INPUT 1V 10V 50k 1 Ok or less
EQ
OUTPUT 1V 9V 2.4k 2k or more
A+
B AUX OUTPUT 1 V 9V 5k 2k or more
A+ B MIC OUTPUT 5
mV 75 mV 70 ohms 19-300 ohms
PA INPUT
1V 10V 50k
1
Ok or less
SPEAKER OUTPUT
-
28.3V
-
4 ohms or
more
HEADPHONES
-
10V 360ohms 4 ohms or
more
Frequency Response:
&2 dB, 40 to 20,000 Hz, BAL
LO IMP INPUT to SPEAKER OUTPUTS
Hum and Noise:
(20 Hz to 20 kHz)
-
127 dBV
equivalent input noise (BAL LO IMP)
Noise:
(300 Hz to 20 kHz) -128 dBV equivalent input
noise (BAL LO IMP)
Signal-to-Noise Ratio:
Greater than 80 dB (below
full
output) at typical control settings (orange marks,
MASTER at 5, INPUT
AlTEN at -12)
Mic lnput Simplex Power:
24 Vdc open-circuit,
1.8k series resistance
Power Requirements:
120 Vac +lo%, 50160 Hz;
1100W max. (For other voltages, see Service Manual)
Environmental Conditions
Operating:
-
7" to 43°C (20" to 1 10°F)
Storage:
-40" to 74°C (-40" to 165°F)
Overall Dimensions:
190 mm H x 584 mm
W
x 508 mm
D
(71/2 in. x 23 in. x 20 in.)
Weight:
21.3 kg (47 Ibs.)
71 dB
43 dB
64 dB
77 dB
74 dB
16dB
58 dB
81 dB
OdBE
30 dB










