PS Engineering PMA450 Installation Manual - Manual (Page 6)

PS Engineering
PMA450 Audio Selector Panel and Intercom System
Installation and Operator’s Manual
200-450-0000 Page 1-3 Rev. 3, November 2014
Audio Selector Specifications
Audio selector panel input impedance: 510

Input Isolation: -60 dB (min.)
Speaker Muting: -60 dB (min.)
Speaker Output (into 4
) with no clipping
14 VDC:
28 VDC: 3 Watts (min.)
10 Watts (min.)
Receiver Inputs: 7 (Com 1, Com 2, Nav 1, Nav 2, 3 ea. Switched Inputs
available)
Unswitched Inputs: 4
Transmitter Selections: 3 (Com 1, Com 2, Com1/2)
Speaker Impedance: 4

Headphone Impedance: 150 – 1000

Headphone Output: 30 mW each headset, no clipping <.5% THD typical
Microphone Impedance: 150 - 600

Bluetooth Radio (PMA450 -1702 only) Class 3, FCC ID QOQWT32AE
Intercom Specifications
Intercom Positions: 6 places (with individual IntelliVox® circuits)
Music Inputs: 2, (Independent, Stereo)
Music Muting: >-30 dB "Soft Mute" when Com or intercom active.
Distortion: <1% THD @ 30 mW into 150

Mic Freq. Response, 3 dB: 300 Hz - 6000 Hz
Music Freq. Response, 3 dB: 10 Hz – 26 kHz
MARKER BEACON RECEIVER (-0100 only)
Frequency: 75 MHz Crystal Controlled
Sensitivity:
Low:
High:
Capable of: (preset at factory for field application)
1000
Volts (Hard) (360 to 570 V soft)
200
Volts (Hard) (130 to 200 V soft)
Selectivity: -6 dB at ±10 kHz
-40 dB at ±120 kHz
External Lamp Output: 7.5 (±4 VDC unloaded, at maximum brightness) VDC
positive when active, max. current 125 mA
MM Sense: Active high (4.5 ± 1.0VDC)
USB Charging Port
Available Current 10 Watts Maximum output, short circuit and over-current
protected
Voltage 5 VDC
1.6 EQUIPMENT SUPPLIED
1 ea. of the following units:
Model Description Part Number
PMA450 PMA450 Digital Audio Panel with Marker, Stereo Intercom, USB
Charging jack, and Bluetooth connectivity 050-450-0100
PMA450 Same as above, without Marker Beacon capability 050-450-0200