KMA 20
- Compact transistorized, flip-swtich audio control unit providing the functions of marker beacon receiver, isolation amplifier and audio control panel
- Isolation amplifier makes possible the combining of all receiver audio inputs into a single cockpit speaker with 40db of isolation between each radio
- Models with different features and combinations of marker light presentation, AUTO switch, COMM/NAV/ADF/HF/DME selections
- Models available with white or red lighting
- TSO'd
DIMENSIONS |
6.2"W x 1.6"H x 6.293"L |
WEIGHT |
2.3 lbs |
FREQUENCY (MARKER) |
Crystal-controlled at 75MHz |
INPUTS |
Standard models accomodats 2 transceivers / 4 external receivers. Intl. model accomodates 3 transceivers / 4 external receivers. |
INPUT IMPEDANCE |
500 ohms |
INPUT ISOLATION |
40dB between input channels |
INPUT MUTING |
Audio Muting is 40dB or better when a transmitter is keyed |
DISTORTION |
Less than 10% at rated output |
SPEAKER OUTPUT (4 OHM) |
Rated power output is 6.25W at the 4 ohms speaker output. With a supply of 27.5Vdc, output power capability increases to 8W |
SPEAKER OUTPUT (8OHM) |
Rated power output is 6.25W at the 8 ohms speaker output. With a supply of 27.5Wdc, output power capability increases to 8W |
DESIGN |
All solid state, no moving parts |
TSO COMPLIANCE (AUDIO AMP) |
TSO C50b Env. Category DACAAAX |
PART NUMBER | DESCRIPTION |
066-1024-03 |
Standard version with marker receiver/lights and lamp test |
066-1024-04 |
International version with marker receiver/lights and lamp test |
066-1024-05 |
International version with 2 ADF (no DME) selections, MKR and lamp test |
066-1024-06 |
Beechcraft version without marker receiver/lights, with lamp test |
066-1024-07 |
Beechcraft version with 2 ADF/no DME selections, no MKR, with lamp test |
066-1024-08 |
Piper version with no DME, 1 ADF, COM1/COM2, 2 MIC selections only |
066-1024-09 |
Piper version with no DME, 1 ADF, 4 position MIC select switch only |
066-1024-10 |
Piper version w/ no DME, 1 ADF, 1 HF switch & pos. MIC select switch only |
066-1024-11 |
Piper version w/ no DME, 2 ADF, No Auto, 5 position MIC select switch only |
066-1024-12 |
Radio Telephone Version with AUTO and 4 position MIC select switch |
066-1024-13 |
Piper version with 1 ADF, 4 position MIC select switch |
066-1024-14 |
Piper version with 2 ADF, no DME, 4 position MIC select switch |
066-1024-15 |
Standard version with red lighting and lamp test |
066-1024-16 |
Standard version without marker beacon receiver and lights |