Used Telex SSA-324 System-to-System Interface

Impedance: 5000Ohms +/-20% single ended, 10000Ohms differential
Operating Levels: -20dBu to +0 dBu, nominal

Impedance: 5000Ohms +/-20% single ended, 10000Ohms+/- 20% differential
Operating Levels: -20dBu to +0 dBu, nominal

Impedance: 10000Ohms minimum single ended, 20000Ohms minimum differential operating levels
Level: -10dBu to +8dBu, nominal

Impedance: single ended or differential
Operating Levels: -10dBu to + 8dBu, nominal
Voltage Gain, 4-wire In to 2-wire Out
Level Pot 100% rotation: 3dB
Level Pot 50% rotation: -15dB/4dB

Duck Level set to no ducking:
Voltage Gain, 2-wire In to 4-wire Out
Level Pot 100% rotation: 22dB 3dB
Level Pot 50% rotation: 8dB 4dB

Reference 1KHz, 0dBu input:
4-wire Input to 2-wire Output
200Hz to 5KHz, +1, -4dB, typical
2-wire Input to 4-wire Output
250Hz to 5KHz, +1, -4dB, typical

Reference 1KHz, 0dBu at 2-wire:
2-wire to 4-wire: -60dB
4-wire to 2-wire: -60dB
Crosstalk (Reference: 1KHz, 0 dBu)
System A to System B
2-wire to 2-wire: -50dB

0 deg. C to 50 deg. C / 32 deg. F to 122 deg. F

-40 deg. C to 85 deg. C / -40 deg. F to 185 deg. F

0 to 95%. non-condensing

Standard: 120 volts 10%, 50-60Hz
P Option: 230 volts 10%, 50-60Hz
D Option: 100 volts + 10%. -5%, 50-60Hz

Standard: 0.20A at 120 volts 10%, 50-60Hz
P Option: 0.10A at 230 volts 10%. 50-60Hz
D Option: 0.22A at 100 volts +10%,.-5%. 50-60Hz

Thermoplastic front panel, Aluminum case

Manual

1.72 x 8.19 x 8" / 43.69 x 208.03 x 203.2mm

2.75lbs / 1.25kg