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PS Engineering

PMA7000B Series Audio Selector Panel and Intercom System

Installation and Operator’s Manual

200-780-0005 Page 1-3 Rev. 10, December 2012

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

positive 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

PMA7000B Opt 3 PMA7000B Audio Panel with Marker Beacon and Stereo intercom. 7000 (Opt 3 )

PMA7000B Opt 2 PMA7000B Audio Panel without Marker receiver 7000 Opt 2

PMA7000B Installation Kit: 250-007-0002

Description Quantity Part

Number

PMA7000 installation rack assembly 1 120-430-0420

Top Molex Connector Shell w/key, 44 pin, key 4/5 1 120-425-4402

Bottom Molex Connector Shell w/key, 44 pin, key 7/8 1 120-425-4400

Gold Plated Crimp Pins 88 425-001-0002

4 40 X 7/16 screw w/nylon patch 4 475-440-0007

Grounding bar 1 430-007-0001

6-32 X 3/4 pan head Phillips screw 2 475-632-0038

6-32 Nut Flat 2 475-632-0003

1 2 3 4 5 6 7 8 9 10 11 ... 35 36

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