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PS-704

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 2 amps at 30 volts, supplying power for one to four channels of intercom.

Note: Access the Encore Power Supply Calculator to estimate power requirements for analog partyline systems.

Details

  • Provides up to 2 amps at 30 Volts
  • Supports up to 40 beltpacks, 10 speaker stations, or 12 headset stations
  • Exclusive Intelligent Fault/Overload Sensing (IFOS) for system reset
  • Switchable line terminations for each channel
  • Built-in test tone generator for set up and diagnostics
  • UL listed and CE certified
  • Line and load regulated
  • Short-circuit protected

Item Code

PS-704

Technical
Specifications

Program Line Input

Maximum Level before Clipping: >= 20dBu

Input Impedance: >= 5K

 
Frequency Response
Program Input - Partyline: 200 - 20kHz ± 3dB
 
Max Distortion
Program Input - Partyline: <= 0.2%
 
Noise
Program Mic Input - Partyline: < -70dBu
 
Max Gain
Program Input - Partyline: >= -16dB
 
Min Gain
Program Input - Partyline: <= -20dB
Mains Power

Input Voltage Range: 100 - 240V AC

Input Frequency Range: 50 - 60Hz

Input Power: <= 60V AC

Output Voltage: 30V DC ± 0.5V

Output Current per Channel (Continuous): 1.2A

Output Current per Channel (Peak): 2A (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

 
Environmental
32° - 122°F (0 - 50°C)
 
Dimensions

1.75 x 19 x 7.5in (HxWxD)

(44 x 483 x 190mm)

 
Weight
6.16lbs (2.80kg)

Associated
Products

PS-702

The PS-702 can supply up to 2 amps at 30 volts DC to two channels in a 1RU. This is sufficient to power up to 40 beltpacks,10 speaker stations, or 12 headset stations even under the most demanding conditions. Either channel is capable of supplying up to 1.2 amps. The full current capacity may be divided between the two channels. Note: Access the Encore Power Supply Calculator to estimate power requirements for analog partyline systems.

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PK-7

The PK-7 power supply is housed in a rugged metal chassis and has the capacity to power up to 12 RS-701 headsets. It supplies 24 volts DC at 0.4 amp to the system. The fully regulated, current-limited unit also provides proper termination for the intercom system. The PK-7 features both short-circuit and reverse polarity protection. Note: Access the Encore Power Supply Calculator to estimate power requirements for analog partyline systems.

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RS-701

The RS-701 is a single-channel analog beltpack that can carry power and audio through the XLR-3 line connector. Each beltpack combines high headroom, low-noise audio and shaped frequency contour (the “Clear-Com Sound”) to deliver clear audio. Note: Access the Encore Power Supply Calculator to estimate power requirements for analog partyline systems.

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RS-702

The RS-702 is a two-channel analog beltpack that can carry power and audio through the XLR-6 line connector. Each beltpack combines high headroom, low-noise audio and shaped frequency contour (the “Clear-Com Sound”) to deliver clear audio. Note: Access the Encore Power Supply Calculator to estimate power requirements for analog partyline systems.

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