Bendix/King
KMA28
Audio Amplifier/Intercom/Marker Beacon Receiver
006-10565-0000
Page 1-4
Rev. 0, Sept. 2000
Intercom Specifications
Intercom Positions
:
6 places (with individual
Intelli
VOX® circuits)
Music Inputs
:
2 (Stereo)
Music Muting
:
>-30 dB "Soft Mute" when Com or intercom active.
Distortion:
<1% THD @ 38 mW into 150
Ω
<10% THD @ 70mW into 150
Ω
Mic Freq. Response, 3 dB:
300 Hz - 6000 Hz
Music Freq. Response, 3 dB
:
100 Hz - 18kHz
MARKER BEACON RECEIVER
Frequency
:
75 MHz Crystal Controlled
Sensitivity
:
Low:
High:
Capable of:
1000
µ
Volts (Hard)
200
µ
Volts (Hard)
(preset at factory for field application)
Selectivity
:
-6 dB at ±10 kHz
-40 dB at ±120 kHz
External Lamp Output
:
9.0 (±2.5 unloaded, at maximum brightness) VDC posi-
tive when active, max. current 125 mA
MM Sense
:
Active high (4.7 VDC ± 0.5V) during Middle Marker
acquisition, for autopilot use.
1.6
EQUIPMENT SUPPLIED
1 ea. of the following:
Model
Part Number
KMA 28
066-01176-0101
KMA 28 Installation Kit, 050-03613-0001, contains the following parts.
Description
Quantity
Part
Number
KMA28 install rack
1
071-00164-0001
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/nyl patch
4
475-440-0007
Grounding strap
1
430-007-0001
6-32 X 3/4 screw php
2
475-632-0038
6-32 Nut Flat
2
475-632-0003
6-32 Lock Nut
2
475-632-0004
Cable Clamp
1
625-001-0002
#6-32 x ½” FHP screw
6
475-632-0012
#6-32 Clip Nut
6
475-630-0002
The KMA 28 install rack may be purchased separately under part number 071-00164-0001.
