PS Engineering PMA9000EX Installation Manual - Manual (Page 6)

PS Engineering
PMA9000EX Audio Selector Panel and Intercom System
Installation and Operator’s Manual
200-920-0000 Page 1-3 Rev. 9, Jan. 2011
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: 9 (Com 1, Com 2, TELEPHONE, Nav 1, Nav 2,
ADF, DME, MKR, AUX)
Unswitched Inputs: 5 (including front jack)
Transmitter Selections: 4 (Com 1, Com 2, TEL
Com1/2)
Speaker Impedance: 4 
Headphone Impedance: 150 – 1000 
Headphone Output: 38 mW each headset, no clipping <1% THD typi-
cal
Microphone Impedance: 150 - 600 
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 @ 38 mW into 150
Mic Freq. Response, 3 dB: 300 Hz - 6000 Hz
Music Freq. Response, 3 dB: 10 Hz – 26 kHz
MARKER BEACON RECEIVER:
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)
1.6 EQUIPMENT SUPPLIED
1 ea. of the following items:
Model Description Part Number
PMA9000EX PMA9000EX Audio Panel with Marker Beacon and Ste-
reo intercom. 050-920-0202