190-01134-11
GMA 350/350c/350H/350Hc Installation Manual
Rev. J
Page 1-7
*Depends on configuration settings.
Distortion: <10% THD+N full power, <3% THD+N @ 10% power
3dB Frequency Response Bandwidth: 350 Hz to 6.5 kHz
1.3.3
Power Requirements
Bluetooth (GMA 350c,
GMA 350Hc, and GMA
350 Hc Traffic only)
A2DP, HFP
Headphone Outputs
Output amplifiers: 3 stereo (pilot, copilot, passengers)
Power, Load, and Distortion: 65 mW into 150 Ohms with <10%
THD+N @ 10% output <3% THD+N
Typical Operating Distortion: <1% THD+N
3dB Frequency Response Bandwidth: 20 Hz to 20 kHz for Music
350 Hz to 6.5 kHz for Other Audio (MICs, Radios, Alerts)
Marker Beacon
Receiver
Frequency: Crystal controlled at 75 MHz
Sensitivity: LO 1000
μ
V hard; HI 200
μ
V hard
Selectivity: 6 dB @ ±10 kHz min, 40 dB @ ±200 kHz max.
Input impedance: 50
Ω
External lamp drive: 125 mA max each output
Other outputs: Middle MKR sense
Special functions: SmartMute
TM
marker audio muting
Table 1-3. GMA 350/350H Speaker Output (1 output, pilot selectable)
Aircraft Voltage
Speaker Impedance
Output Power
14V
8 Ohms
Not recommended
14V
4 Ohms
3 W
28V
8 Ohms
7 W
28V
4 Ohms
10 W
Table 1-4. GMA 350/350H Power Requirements
Characteristic
Specification
Power Input Voltage
14 Vdc or 28 Vdc. See the Environmental Qualification Form for
details on surge ratings and minimum/maximum
operating voltages.
Table 1-2. GMA 350/350H Electrical Characteristics
Characteristic
Specification
