MODEL 247 AUDIO MIXING AMPLIFIER
MODEL 247 AUDIO MIXING AMPLIFIER
The Model 247 is a multipurpose audio mixing amplifier for mixing aural warning, cockpit voice recorder, or any other aircraft audio signals.
Call/Request
Features
- Bi-polar output capacitors for compatibility with DC biased loads
- Adjustable inputs accept microphone signals, headphone audio signals, or receiver audio signals
- Contains 3 electrically independent audio mixing circuits
- 4 input channels and 1 output channel per circuit
- Capable of driving a headset
- TSO-C50c, RTCA/DO-214, RTCA/DO-160C approved
Request a Quote
See More Information
The Model 247 is a multipurpose audio mixing amplifier for mixing aural warning, cockpit voice recorder, or any other aircraft audio signals. Each input is adjustable to accept 0.25 VRMS microphone signals, headphone audio signals from standard audio systems, or receiver audio signal up to 50 mW. The outputs are designed to drive any impedance from 8 to 10K. Additional inputs can be added by connecting one of the outputs to feed an input of another mixer.