Clear-Com PS-704 4 Channel Universal Power Supply for Intercom Systems

4-Channel 2-Amp Rack Mount (1RU) System Power Supply - UL Listed. 4-channel x 2 intercom jacks, 1 program input, universal power supply.

The PS-704 is a four-channel, single rack-space intercom power supply that features Clear-Com’s "fail-safe" design for maximum reliability. The power supply delivers 1.2 amps at 30 volts, supplying power for one to four channels of intercom. It will support up to 40 beltpacks, 10 speaker stations or 12 headset stations.

Key Features

• Only one rack space high
• Provides up to 2 amps total power
• Supports up to 40 beltpacks, 10 speaker stations or 12 headset stations
• One to four channels of intercom with individual channel power protection
• Automatic short circuit protection and reset for each channel
• “Short” power indicator LED’s for each channel
• Program input with selectable channel assignment and individual channel level controls

Technical Specifications

Program Line Input
Maximum Level before Clipping
>= 20dBu
Input Impedance
>= 5K OHMS
Frequency Response
Program Input - Party-line
200 - 20KHz ± 3dB
Max Distortion
Program Input - Party-line
<= 0.2%
Noise
Program Mic Input - Party-line
< -70dBu
Max Gain
Program Input - Party-line
>= -16dB
Min Gain
Program Input - Party-line
<= -20dB
Mains Power
Input Voltage Range
100 - 240 VAC
Input Frequency Range
50 - 60 Hz
Input Power
<= 60 VAC
Output Voltage
30 VDC ± 0.5V
Output Current per Channel (Continuous)
1.2 A
Output Current per Channel (Peak)
2 A (Do not exceed the 1.2A rating for more than 2 seconds per 1 minute period)
Short Circuit Recovery Time (1st short)
<= 0.5 sec
Short Circuit Recovery Time
>= 20 shorts in 20sec) <= 20 sec
Station Capacity
Up to 40 RS-601 beltpacks or 10 speaker stations or 12 headset stations distributed over both channels
Rear Panel Connectors
Intercom
(8) XLR-3M (2 per channel)
Program
(1) XLR-3F
AC Power
IEC 320 connector
Rear Panel Controls
(4) Termination On-Off switches
(1) Volume control
Front Panel Controls & Indicators
(4) Program switch
(4) Send level controls
(4) Overload LEDs
(1) Power indicator LED
(1) Power switch
Environmental
32 - 122F (0 - 50C)
Dimensions
19 in. W x 1.75 in. H x 7.5 in. D
(483 mm x 44 mm x 190 mm)
Weight
6.16 lbs. (2.80 kg)