
13.1
ELECTRICAL SPECIFICATIONS
(Specifications
at
120VAC line voltage)
Individual Interface Specification
j7/
(each of two dividual interfaces)
Signal-to-Noise Ratio (Reference: 1 kilohertz, 0 dBu
at
two-wire)
Two-Wire to Four-Wire:
-60
dB
Four-Wire to Two-Wire: -60 dB
Two-Wire Input
Crosstalk (Reference:
1
kilohertz, 0 dBu)
Impedance:5,000 ohms +loo%, -20% single ended,
10,000 ohms +100%, -20% differential
Operating Levels:-20 dBu
to
+O
dBu, nominal
Two-Wire Output
Impedance:5,000 ohms 20% single ended,
10,000 ohms 2Wo differential
Operating Leve1s:O.l
mA
to 10
mA,
nominal
Four-Wire Input
Impedance: 10,000 ohms minimum single ended,
20,000 ohms minimum differential
Operating Levels:-10 dBu
to
+8
dBu,
nominal
Four-Wire Output
Impedance:ohms single ended or differential
Operating Levels:-10 dBu
to
+
8 dBu, nominal
Transfer Functions (Duck Level set to no ducking)
Voltage Gain, Four-Wire
In
to Two-Wire Out*
Level Pot 100% rotation:O 3 dB
Level Pot 50% rotation:-15 dB 4
dB
Transfer Functions (Duck Level set to no ducking)
Voltage Gain, Two-Wire
In
to Fow-Wire Out**
Level Pot 100% rotation:22
dB
3
dB
Level Pot 50% rotation:8 dB 4
dB
Frequency Response (Reference:
1
kilohertz, 0 dBu input)
Four-Wire Input
to
Two-Wire Output:200 hertz to 5 kilohertz, +1,-4 dB, typical
Two-Wire Input to
Four
Wire Output:250 hertz
to
5 kilohertz,
+1,
-4
dB, typical
System A to System
B,
Two-wire to Two-wire
200 hertz to 5 kilohertz: -50 dB,
Environmental
Temperature
Operating:OO to 50' celsius
Storage:-40° to 85O celsius
Humidity0 to 95%, non-condensing
Mains Voltage
Standard: 120 volts
lo%, 50-60 hertz
*P Option:230 volts lo%, 50-60 hertz
#D 0ption:lOO volts
+
10%. -5%, 50-60 hertz
Mains Amperes
StandarkO.2OA
@
120 volts lo%, 50-60 hertz
*P 0ption:O.lOA
@
230 volts 10%. 50-60 hertz
#D
Option:0.22A
@
100 volts
+
lo%,-5%, 50-60 hertz
Dimensions
Height:1.72 inches
(
44
millimeters)
Widh8.19 inches (208 millimeters)
Deph8.00 inches (204 millimeters)
Weight
SSA324***:5.0 pounds (2.3 kilograms)
MCP1:l.O
pounds
(0.45 kilograms)
MCP2.1.0
pounds
(0.45 kilograms)
Fiish:Thermoplastic front panel, aluminum case, light gray finish.
Notes
*
Where two-wire output voltage is output current times termination impedance, and termination impedance is 200 ohms 33nF.
**
Null pots set for
maximum
null, 200 ohm 33nF nominal two-wire lie.
***
SSA324 weight with optional transformers in place.
SSA324
User
Manual
7
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