Part #: A301-61A
Model: A301-61A
A301-61A
FEATURES
- Versatile, miniature solid state intercommunication system control
- Used on the S-76 Helicopter
- Designed to be the basic control unit for a multi-person (up to 12) communication system of advanced design
- High reliability unit employing solid-state relay circuits and modular microphone, headset, and speaker amplifiers
- Offers flexibility through specified performance from a 5 ohm Dynamic Microphone or a 100 ohm carbon microphone, and an 8 or 600 ohm headset
- Seven-position rotary selector switch provides for selection, control, and voice modulation of six transmitters
- Extreme CCW position of the selector provides intercommunication on the Interphone line
- Intercommunication can be obtained for any selector position when the control is wired for two-button operation
- Push-button switch provides voice to be applied through a 4-watt amplifier to a speaker in the cabin
- Ten monitor switches provide for individual selection and mixing of 10 audio input lines
- Direct input line for warning signals is provided
- Master volume control permits adjustment of headset level
- Six internal controls permit individual adjustment of the voice modulation level to each of the six associated transmitters
- Six resistors are included in the A301-61 for use as audio input line terminations
- Options: Cockpit voice recorder, Night vision capability
- Andrea has TSO-C50b CAT CAAAXX authorization for A301-61A
SPECIFICATIONS
| POWer: | Input Voltage: 21.5 to 30 VDC No. Signal: 3 Watts Max 250 mW Headset Output: 4.5 Watts Max 4 Watt Speaker Output: 17 Watts Max |
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| Size: | 5 3/4"W x 2 5/8"H x 4"D | Weight: | 1.75 lbs |
| LIghting: | 2 - 6 V lamps @ .215 Amps | Connector: | 50 pin Cannon DD50P (Male) 50 pin Cannon DD50S (Mating Connector) |
| impedance levels: | Microphones: 5 ohms Dynamic or 100 ohm Carbon Headset: 8 ohms or 600 ohms Speaker: 8 ohms Int. Line: 600 ohms, internally furnished Transmitter Output: 100 ohms Receiver Lines: 600 ohms |
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| Signal Levels: | AGC: Reference 2.75 V output for input variation of 10 to 1 AGC Attack Time: .2 Sec Max AGC Slope: 3 dB Max output change for 20 dB input change Distortion: 3% Max Headset Amplifier - Output: 250 mV Distortion: 10% Max Frequency Response: +/-6 dB from 300 to 6000 Hz. |
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| Transmitter Lines: | .1 to 1 V Adjustable | Speaker amplifier output: | 4 Watts |
| Volume control range: | 40 dB | Isolation @ 1000 Hz: | 60 dB Min between input lines or output lines |
A301-61A
- Audio Panel
NSN: 5895-01-422-3263
| Price | Condition | Delivery |
|---|---|---|
| $895.00 | SV OUTRIGHT | RFQ |
| CALL OR RFQ | NEW OUTRIGHT | RFQ |
SEA Repair Capabilities: Yes
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