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FIGURE 1 . SR107 FRONT PANEL
Output
...........
+18 dBm minimum (+15.8 dBV,
Typical filter frequency
re-
6.2V) at LINE OUTPUT
sponse
characteristics
are
-10.2 dBV minimum (0.31V) at
shown in Figures 5A and 58.
AUX OUTPUT
Filters are minimum phase,
-34.2 dBV minimum (19.5 mV)
combining type and electrical-
at MIC OUTPUT
ly isolated.
Overload Indicator
....
Illuminates 3 dB 21.5 dB before
Operating Voltage
.........
output clipping occurs
and Power
SR107: 120 Vac
t
l o % , 50/60
Input Impedance
. . . . .
.70
kilohms
actual,
balanced
Hz; 6 watts maximum
bridging (for use with line lev-
SR107-2E: 105-125 or 210-250
el source, 10 kilohms or less.)
Vac, 50/60 Hz; 6 watts maxi-
Output Impedance:
mum
MIC OUTPUT
....
.I ohm actual, balanced (for use
Accessory Power
. . . a
-31 Vdc open circuit, 27 Vdc at
with 25- to 600-ohm inputs)
10 mA, maximum
LINE OUTPUT
. . .
. I 1 5 ohms actual, balanced (for
Temperature
use with 600-ohm lines)
Operating
........
-7°C to 57°C (20°F to 135°F)
. . . . . . . . . .
AUX OUTPUT
...
.630 ohms actual, unbalanced
Storage
-29°C to 71°C (-2O0Fto 160°F)
(for use with auxiliary circuits
Dimensions
.........
.44.4 mm height x 483 mm width
of 600 ohms or more imped-
x 218 mm depth (1-314 in. x
ance)
19 in. x 8-9/16 in.) (Figure 3)
..............
Distortion:
Weight
.3.5 kg (7 Ib, 12 oz)
lntermodulation
. .
.0.25% max. at 12.2 dBm (3.2V)
Finish
...............
Matte black
(LINE OUTPUT) with a 60 Hz
Installation
..........
.Equipped for standard 19 in.
and 7.0 kHz input at a 4:l ratio
(483 mm) audio rack mount-
Harmonic
.......
. I % max. total harmonic distor-
ing; may be operated in op-
tion at 12.2 dBm (3.2V) (LINE
tional A30A or A105A Carrying
OUTPUT), 30 Hz-20 kHz with
Case (with other equipment)
........
Filter Controls at +15, GAIN
Certifications
.Listed by Underwriters' Labora-
Control +20 dB and LEVEL
tories, Inc.; listed by Canadian
Control at +15
Standards Association as cer-
Phase
Pin 3 and tip contacts of LINE
tified (SR107 only)
...............
INPUT
Connectors
are
in
*
Measurement conditions unless otherwise specified: Operating voltage I ~ O V ,
60 Hz (SR107). 230V 60 Hz with VOLTAGE SELECTOR Switch in 220V posi-
phase with pin
of MIC/L'NE
tion ( ~ ~ 1 0 7 - 2 i ) . L I ~ E INPUT 7 volt at 1 kHz through 600 ohms. LlNE
OUTPUT and tip contacts of
OUTPUT and
A' U X
OUTPUT terminated in 600 ohms, MIC OUTPUT' termi-
nated in 150 ohms; GAlN Control at UNITY: Filter Controls and LEVEL
LlNE and AUX OUTPUT Con-
control at zero; EQUALIZER Switch set to IN.
nectors
Equalization Filters:
Center
Frequencies
. . . . .
.Octave spaced from 31 Hz to 16
kHz. Accurate to within t 1 0 %
of labeled value
Characteristics
. .
.15.5 f 2 dB boost or attenuation
at center frequency
6.5 t 2 dB at maximum boost or
attenuation at one-half octave
above or below center fre-
quency
OPERATING INSTRUCTIONS
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W A R N I N G
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TO reduce the risk of fire or electric shock, do not
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expose this appliance to rain or extreme moisture.
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Functional Description (Refer to Figures 1 and 2)
1. 31 Hz to 16 kHz Filter Controls-
Provide _+I5 dB
level adjustment at center frequency of each of ten
octave band filters.
SO/M
w.
6
WLlTS
1 7
1 6
SR107-2E ONLY
1 5
7
8
9
1 0
11
12
13
1 4
FIGURE 2.
SR107 REAR PANEL
2
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