Features
- Compact, fully solid-state unit containing pushbutton audio selector panel, five station intercom, speaker and headphone isolation amplifiers
- Front panel controls include an interphone volume control, audio selector buttons, speaker auto switch, interphone VOX (Voice Operated Intercom) control
- Styled to match with the other King Silver Crown units but can be integrated into any 500 ohm output audio system
- Provide ability for pilot and co-pilot to isolate out of the intercom system through seperate independent amplifiers
- Up to 5 transceivers and 5 receivers can be controlled in -71 version
- 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
- User can select VOX, keyed or hot mic intercom through adjustments of the VOX control on the front panel
- Contains summing amplifier to combine received audio with the pilots microphone for installations where a voice recorder is necessary
- Similar to KMA-24H -50/54 but DOES include Voice Operated Intercom, seperate alternate action capability and keyed activation of up to 5 stations
- 14V or 28VDC operation
- TSO'd
Specifications
- Size: 6.31" (160 mm) x 1.3" (33 mm) x 6.49" (165 mm)
- Weight: 1.7 (771 g) lbs.
- TSO Compliance: TSI C50c, Class I per RTCA DO-170, Env. Cat. /A2D1/ A/ PKS/ XXXXXXZB/ AB/ BZ/ A
- Duty cycle: Continuous
- Applicable Documents: RTCA DO-160A, DO-170
- Temperature Range: -20 to +70°C
- Design: All solid state
- Input Impedance: 320 ohms for ICS inputs, 500 ohms for all audio inputs
- Speaker Muting: At least 55 dB when the MIC is keyed
- Input Isolation (ISO Amp): 60dB between inputs
- Isolater Muting: Pilot -55 dB, Co-pilot -55 dB
- Distortion: Less than 5% at rated output
- Frequency Response: Within 3dB from 350Hz to 6000Hz