PS Engineering
PMA7000BT Series Audio Selector Panel and Intercom System
Installation and Operator’s Manual
200-780-0204
Page 1-3
Rev. 1, July 2015
Voltage:
11 to 33 VDC
Maximum Current:
2.5 Amp (Externally protected by a 3A 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, Com 3, Nav 1, Nav 2, ADF, DME,
MKR, AUX)
Unswitched Inputs:
4
Transmitter Selections:
5 (Com 1, Com 2, Com 3
Com1/2, Com1/3)
Speaker Impedance:
4
Headphone Impedance:
150
–
1000
Headphone Output:
38 mW each headset, no clipping <1% THD
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:
20 Hz - 18kHz
MARKER BEACON RECEIVER: (if equipped)
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 posi-
tive when active, max. current 125 mA
MM Sense:
Active high (4.5 ± 1.0VDC)
1.6
EQUIPMENT SUPPLIED
1 ea. of the following units:
Model
Description
Part Number
PMA7000BT
PMA7000BT Audio Panel with Marker Beacon and Stereo inter-
com.
7000BT
050-781-0204
PMA7000BT Pilot’s Guide
202-780-0204