Specifications - PS Engineering PMA450B Series System Installation And Operation Manual

1.5

SPECIFICATIONS

Marker Beacon:
Audio Selector/Intercom:
DC Charging Jack
APPLICABLE DOCUMENTS:
ENVIRONMENTAL Qualifications:
Operating Temperature Range:
Altitude:
DIMENSIONS:
WEIGHT
PMA450B Unit
Rack with connectors
POWER REQUIREMENTS (Including Internal Lighting):
Voltage:
Maximum Current:
Audio selector panel input impedance:
Input Isolation:
Speaker Muting:
Speaker Output (into 4 ) with no clipping
14 VDC:
28 VDC:
Receiver Inputs:
Unswitched Inputs:
Transmitter Selections:
Speaker Impedance:
Headphone Impedance:
Headphone Output:
Microphone Impedance:
Bluetooth® Radio
Intercom Positions:
Music Inputs:
Music Muting:
Distortion:
Mic Freq. Response, 3 dB:
Music Freq. Response, 3 dB:
200-450-0600
PS Engineering
PMA450B Audio Selector Panel and Intercom System
Installation and Operator's Manual
TSO COMPLIANCE
FAA TSO C35d, Class A
FAA TSO C139a, Class 1a
FAA TSO C71
RTCA/DO-214A RTCA/DO-143 RTCA/DO-160G
RTCA/DO-178C, DO-254
A1D1CABSMXXXXXXZBABATBXXE2XXX
-15º C to 55ºC
Up to 35,000 feet in a non-pressurized area
Height: 1.3 in. (3.3 cm) Width: 6.25 in. (15.9 cm)
Depth behind panel 7.15 in. (18.16 cm)
1.34 lb. (0.61 kg)
0.51 lb. (0.24 kg)
11 to 33 VDC
3.5 Amp (Externally protected by a 5A pull-type breaker)
Audio Selector Specifications
510 
-60 dB (min.)
-60 dB (min.)
3 Watts (min.)
10 Watts (min.)
7 (Com 1, Com 2, Nav 1, Nav 2, 2 ea. Additional switched
inputs available for ADF, DME, etc.)
4 (Two switched inputs can be converted to unswitched, if
desired, during installation.)
3 (Com 1, Com 2, Com1/2)
4 
150 – 1000 
30 mW each headset, no clipping <.5% THD typical
150 - 600 
Class 3, FCC ID
Intercom Specifications
6 places (with individual IntelliVox® circuits)
2, (Independent, Stereo)
>-30 dB "Soft Mute" when Com or intercom active.
<1% THD @ 30 mW into 150
300 Hz - 6000 Hz
10 Hz – 26 kHz
Page 1-3
QOQWT32AE or QOQWT32I
Rev. 5, August 2020