Approval basis **none, 5specifications, Approval – PS Engineering PMA5000EX Installation Manual User Manual
Page 5: Basis, Specifications -2

PS Engineering
PMA5000EX Audio Selector Panel and Intercom System
Installation and Operator’s Manual
200-550-0100
Page 1-2
Rev. 1 Jan. 2011
1.4
APPROVAL BASIS **None**
The PMA5000EX is NOT INTENDED OR APPROVED for installation or use in a certified aircraft.
Operation is subject to the following conditions:
This device may not cause harmful interference.
This device must accept any interference received, including interference that may cause undesired opera-
tion.
1.5
SPECIFICATIONS
WEIGHT
PMA5000EX 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.)
Receiver Inputs:
6 (Com 1, Com 2, TEL, AUX 1, AUX 2, DME)
Unswitched Inputs:
5 (including front jack)
Transmitter Selections:
4 (Com 1, Com 2, TEL
Com1/2)
Headphone Impedance:
150 – 1000
Headphone Output:
38 mW each headset, no clipping <1% THD typical
Microphone Impedance:
150 - 600
Intercom Specifications
Intercom Positions:
4 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