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Mid Continent Controls offers a simple, cost effective means of keeping your passengers and cabin occupants informed with our Public Address Audio Amplifier. Extremely easy to install and operate, our amp features one "mono" PA input and one "mono" output with a fixed gain. The audio input is equipped with an audio isolation transformer and features a power output rating of 5W RMS into 4ohms. Connections and interface with the aircraft are made via a simple 9-pin DSUB mounted on the amplifier. |
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Our Public Address Audio Amplifier has also received Technical Standard Order (TSO) authorization from the FAA. TSO is a performance standard issued by the Administration for specified materials, parts, processes, and appliances used on civil aircraft. Our amplifier has met the requirements for TSO C50c regarding "Audio Selector Panels and Amplifiers." |
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The drawing to the right is in a "Scalable Vector Graphic" (SVG) Format:
Panning: Hold the alt key and click-and-drag with the mouse to pan an SVG image. When the scroll lock is enabled and Adobe SVG Viewer has the focus, the arrow keys may be used to pan the image.
Zooming: Hold the control key and click to zoom in at the mouse pointer location.
Hold the control key and click-and-drag to select a region to zoom into. Hold the control and shift keys and click to zoom out. You may also right click on the image for zoom commands in the menu. For more help, please click here.
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User-Interactive Window
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VOLTAGE SECTION:
Nominal Voltage ................................................................................... +28VDC
Operating Voltage ................................................................. +20.5 to +32.2VDC
Operating Current (nominal) .................... 100mA with PA audio present on the input
Operating Current (maximum) ................ 250mA average w/typical PA audio on input
Abnormal Surge Voltage ....................... +48VDC for 1 Second/+80VDC for 100mS
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AUDIO SECTION:
Audio Input Signal ........................................................................ 0.3 - 0.6 Vrms
Audio Input Impedance ................ 3.9K Ohms (@1KHz) audio coupling transformer
Rated Power Output ................................................... 5 Watts (rms) into 4 ohms
Audio Output Regulation (3 - 16 ohms) ............................................................ 1dB
Audio Bandwidth .......................................................................... 300Hz - 6KHz
Audio Amplification (102025-1) ................................................................... +20dB
Audio Amplification (102025-2) ................................................................... +32dB
Audio Noise Without Signal ...................................................................... -60dB
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GENERAL:
Operating Temperature .................................... -67ºF. to +158ºF. / -55ºC to +70ºC
Operating Altitude .................................................................. 55,000ft. / 3,048m
Weight ..................................................................................... 8.7oz. / 246.65g
Dimensions (U.S. Standard) ................................ 3.93in.(W) x 5.00in.(L) x 1.17in.(H)
Dimensions (Metric) .............................. 99.82mm(W) x 127.0mm(L) x 29.71mm(H)
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ORDER NUMBER (+20dB Audio Amplification) ............................................. 102025-1
ORDER NUMBER (+32dB Audio Amplification) ............................................. 102025-2
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