| Characteristic |
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| Specification | |
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| |
| Music Functions | Music inputs (stereo): 2 | |||
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| Music input impedance: 600 Ω (differential) | |||
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| Music gain: | |||
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| Music input level:<200 mVrms for full power* output @ max music | |||
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| volume knob position (typ.) | ||
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| 3.5 Vrms max music input level | ||
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| Music bandwidth: 20 Hz to 20 kHz @ full power output | |||
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| Music distortion: <0.1% THD+N (typ.) @ full power, full bandwidth | |||
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| Special Functions: Front panel selection and volume control | |||
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| Front panel control for muting by radios and ICS | ||
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| Muting by alerts configurable | ||
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| *Full power output refers to 300 mW into 50 Ω (three 150 Ω headsets in parallel each | |||
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| driven to 100 mW) |
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| |
| Front Panel Mini- | Input Impedance: 5.1 kΩ | |||
| Jack Functions | Music Input: Auto detection of music source will use jack as Music 1 | |||
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| ||||
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| Telephone Input: Auto detection of TEL source will use jack for TEL | |||
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| Telephone ring signal is heard without TEL selected | |||
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1.3.3 Power Requirements |
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| ||
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| |
| Characteristic |
| Specification |
| |
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|
| Input Voltage Range |
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| 11 to 33 Vdc |
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| Power Input |
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| 4.3 W normal operation (310mA @ 13.8 V) |
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| 7.5 W max. operation (540 mA @ 13.8 V) |
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1.4Reference Documents
The following publications are sources of additional information for installing the GMA 240. Before installing the unit, the technician should read all referenced materials along with this manual.
Part Number |
| Document |
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|
GMA 240 | Pilot’s Guide | |
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|
GMA 240 | Maintenance Manual | |
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Page | GMA 240 Installation Manual |
Rev. A |
