KMA 24H
- Compact, fully solid-state unit containing pushbutton audio selector panel with seperate speaker and headphone isoaltion amplifiers
- Styled to match with the other King Silver Crown units but can be integrated into any 500 ohm output audio system
- Provides interphone communication including five microphone audio inputs for up to five intercom stations to meet crew member helicopter and fixed wing needs
- Designed for use in both single and dual audio panel installations
- Can handle as many three transceivers and six receivers
- Models with different features and combinations of AUTO, 2 COMMs, 2 NAVs, DME, MKR, ADF, HF, TEL selections (see table below for selections)
- Night vision goggle version available (see table below)
- Has two unswitched inputs for use as altimeter warning and telephone ringer
- Has speaker outputs for ramp hailer and passenger address or intercom
- PA mute provided to mute passenger background music systems when a microphone is keyed
- Similar to KMA-24 but DOES NOT include marker beacon presentation and DOES include intercom functions/controls
- 14V or 28V operation
- TSO'd
DIMENSIONS |
6.25"W x 1.3"H x 6.81"L |
WEIGHT |
1.7 lbs |
TEMPERATURE RANGE |
-20 to 55°C |
INPUT IMPEDANCE |
380 ohms for ICS inputs, 500 ohms for all audio inputs |
INPUT ISOLATION (ISO AMP) |
60dB between inputs |
SPEAKER MUTING |
At least 55 dB when the MIC is keyed |
FREQUENCY RESPONSE |
Within 3dB from 350Hz to 6kHz |
DISTORTION |
Less than 5% at rated output |
APPLICABLE DOCUMENTS |
RTCA DO-160, DO-160 |
DUTY CYCLE |
Continuous |
DESIGN |
All solid state |
TSO COMPLIANCE |
TSI C50b, Class I per RTCA DO-170, Env. Cat. /A1D1/A/PKS/XXXXXXZBAAA |
PART NUMBER | DESCRIPTION |
066-1055-50 |
Selections for: HF/COM1/COM2/NAV1/NAV2/DME/MKR/ADF1/ADF2 |
066-1055-51 |
Selections for: TEL/COM1/COM2/NAV1/NAV2/DME/MKR/ADF1/ADF |
066-1055-52 |
Selections for: HF/COM1/COM2/NAV1/NAV2/DME/MKR/ADF/AUT |
066-1055-53 |
Selections for: TEL/COM1/COM2/NAV1/NAV2/DME/MKR/ADF/AUTO |
066-1055-54 |
Same as -52 unit but with night vision goggle capabilit |
066-1055-70 |
COM1/COM2/COM3/COM4/NAV1/NAV2/DME/MKR/ADF1/ADF2 |
066-1055-71 |
COM1/COM2/COM3/COM4/COM5/NAV1/NAV2/DME/MKR/ADF |