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The RAD-30A is the latest addition to the popular RAD (Room Audio Director) series currently manufactured by Communications Company, Inc. and installed in expandable meeting rooms throughout the world. Like its predecessors, the RAD-20 and RAD-30, the RAD-30A furnishes an audio status control in each meeting room.....at the touch of a button. While the RAD-20 provides for the combining of three (3) rooms (the RAD-30 provided combination of eight [8]), the RAD-30A is capable of controlling twelve (12) meeting rooms in any combination. Using thirteen(13) membrane switches, which include six (6) combine busses, the RAD-30A gives local in-room control of background MUSIC (ON/OFF), MUSIC VOLUME UP, MUSIC VOLUME DOWN and, PAGE ON/PAGE OFF. LOCAL program volume is controlled by the mixer/amplifier (supplied by the contractor) associated with each room. Any ROOM CONTROL PANEL, combined on the same buss with other RCPs, may be designated as that combinations MUSIC MASTER for convenient control of music and page. |
The basic RAD-30A system, as supplied by the factory, is
comprised of: A. One (1) Master Logic Module (MLM) B. Room Control Panels (RCP) - minimum of one (1) required for each room to be combined (See Figure 2) C. Daughter-boards - minimum of one (1) required for each room to be combined |
Components required for functional system One (1) Master Logic Module (MLM); located at equipment rack Two (2) or more Room Control Panels (RCP): minimum one (1) for each room to be combined Integrated Mixer/Amplifier: minimum one (1) for each room to be combined Speakers: as required Page source(s): Maximum two (2) Music source: Maximum one (1) |
- SPECIFICATIONS - |
Master Logic
Module (MLM)
Type: Room Combining Amplifier Frequency response: 40 Hz to 15 KHz ± 1 dB Gain: Unity Inputs: Twelve (12) balanced transformer inputs from mixers. One (1) balanced input for music. Two (2) balanced inputs for page. Input impedance: 15K Ohm bridging Input level controls: Continuously variable potentiometers for music and page inputs. Input level: 0 dBv nominal Outputs: Twelve (12) unbalanced outputs Output source impedance: 600 Ohms Maximum output: +14 dBm into 600 Ohms Total harmonic distortion: .01% THD @ 1Khz 0dBm Signal to noise: 72 dB Control input: 24 Vdc page key, optically isolated Logic circuitry: Solid state CMOS logic, no relays Connectors: Barrier-type screw terminals Dimensions: Front panel - 5 1/4" x 19" Rack mounting requirements: 5 1/4" H, 17" W, 14 3/4" D Power requirements: 120 Vac, 50/60 Hz, 40 Watts Color: Black (front panel) Weight: 28 lb. fully loaded (twelve [12] daughter boards |
Room Control Panel (RCP)
Type: One each control panel to be located in each room Switching: Membrane type Switching logic: Solid state CMOS logic Control logic: Solid state CMOS logic driven with one (1) bi-directional serial line and powered over one (1) pair of wires from the MLM (+5 Vdc) Connection barrier: Screw terminals Dimensions: Front Panel - 12" x 12" Wall mounting requirements: 10 1/2" H, 10" W, 4 5/8" D Color: Front panel: textured off-white; Switch panel: black Weight: 4.5 lb.
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