PS Engineering PMA8000 Installation Manual - Manual (Page 6)

PS Engineering
PMA8000 Series Audio Selector Panel and Intercom System
Installation and Operator’s Manual
200-890-0000 Page 1-3 Revsion 10, September 2005
Audio Selector Specifications
Audio selector panel input impedance: 510 Ω
Input Isolation:
-60 dB (min.)
Speaker Muting:
-60 dB (min.)
Speaker Output (into 4
Ω) with no clipping
14 VDC:
28 VDC:
3 Watts (min.)
10 Watts (min.)
Receiver Inputs: 9 (Com 1, Com 2, TEL, Nav 1, Nav 2, ADF,
DME, MKR, AUX)
Unswitched Inputs: 4
Transmitter Selections: 4 (Com 1, Com 2, TEL
Com1/2)
Speaker Impedance: 4 Ω
Headphone Impedance: 150 – 1000 Ω
Headphone Output:
38 mW each headset, no clipping <1% THD typi-
cal
Microphone Impedance: 150 - 600 Ω
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 Ω
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
µVolts (Hard) (360 to 570 µV soft)
200 µVolts (Hard) (130 to 200 µV 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)