RTS PS-31 Power Supply

Specifications:

Channels
Three

Connectors
Six XLR-3 type connectors (two channel)
Three XLR-4 type connectors (three channel)
One XLR-3 type connector (program input)

DC Output Voltage (each channel)
32 volts nominal

Line Terminating Impedance (each channel)
200 Ω switchable to 400 Ω when operating two supplies in parallel

Output Current Ratings
Max before fault indication: 1.5 amps
Sustained overload 50°C ambient: 20 amps
Max before foldBack limiting: 2.5 amps
Short circuit current: 0.5 amps
Startup current: 0.5 amps

Max Total Sustained Current (50°C ambient)
2.0 amps

Intercom Audio
Level: 2 volts pp nominal
Head Room: 6 dB minimum
Frequency Response: 75 Hz to 20 kHz (-3 dB) unloaded

Signal to Noise and Hum Ratio (Ref to 2 V pp)
-60 dB

Program
Input: Balanced or unbalanced, transformer isolated, program assignable to channels 1-3
Program Input Sensitivity: 28 dBm to +14 dBm (Ref. 600 Ω) for 2 volts pp on RTS line
Input Impedance: 10,000 Ω
Frequency Response (-3dB): 100 Hz to 20 kHz input to RTS line.

Indicators
Channel Status: three green LEDs
Channel Fault: one red LED and one audible alarm
Thermal Overload: one red Neon type

Switches
One program channel assign switch; one audible alert on/off switch; one power switch; three 200/400-Ω impedance
select switches

Temperature
32° to 122°F operating
32° to 167°F storage

Power Requirements
Voltage: 100, 120, 200, or 40 VAC, 50/60 Hz versions available
Power: 100 volt-amps

Fuses
AC panel fuse: 100/120 volts-3A slow blow; 200, 240 volts - 1.5A slow blow
Internal DC fuses (each channel): 6A fast blow