PS Engineering
PMA8000B-MP3Avidyne Version (-0403) Audio Selector Panel and Intercom System
Installation and Operator’s Manual
200-890-0403
Page 1-3
Rev. 4, Jan. 2011
WEIGHT
PMA8000B-MP3 Unit
Rack with connectors
1.34 lb. (0.61 kg)
0.51 lb. (0.24 kg)
POWER REQUIREMENTS
(Including Internal Lighting):
Voltage
:
11 to 33 VDC
Maximum Current
:
2.5 Amp (Externally protected by a 5A pull-type
breaker)
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, TEL, Nav 1, Nav 2, DME, Mon1,
Mon2)
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 typical
Microphone Impedance
:
150 - 600
Intercom Specifications
Intercom Positions
:
6 places (with individual
Intelli
Vox® 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)
