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AMP1A-4S
 

2-channel analog audio monitor that switches between 4 stereo sources. 

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The AMP1A-4S audio monitor provides self-powered, full-fidelity stereo monitoring of analog audio in the smallest rack space possible (1U) and features selection from up to four stereo pairs of audio inputs on XLR connectors and a 4-position rotary switch for selection.

A pair of balanced XLR connectors output the selected audio source for connection to downstream equipment.

The audio amplifier section features five high performance transducers driven by three power amplifiers: two amplifier/driver combinations handle midrange and high frequency information in stereo (left and right speakers), while the third center channel reproduces information below the 500 Hz crossover point (woofer speaker).

Output limiter circuits are incorporated to protect the speakers, and extensive magnetic shielding allows placement immediately adjacent to magnetically sensitive equipment, such as video monitors.

The unit also features a volume control, balance pot, power indication LED, and stereo headphone output.
Wohler Part Number:8100-0080
Rack Height:1RU
Weight:14.0 LBS (6.4 KG)
Dimensions:1.75X19X12" (44.5X483X298 MM)
Power Consumption:35W
Signals Monitored:ANALOG
Analog Inputs:8 BALANCED ANALOG INPUTS ON PHOENIX
Analog Outputs:2 BALANCED ANALOG OUTPUTS FROM SELECTED SOURCE ON XLR
Level Meters:2 X 10 SEGMENTS (VERTICAL)
Aural Sound Outputs:WOHLER SPEAKER SYSTEM;HEADPHONE, MUTES SPEAKERS
Acoustic Distortion:8% OR LESS AT WORST CASE FREQUENCIES ABOVE 180 HZ INCLUDING CABINET RESONANCE, TYPICALLY < 2%
Electrical Distortion:<0.15% AT ANY LEVEL BELOW LIMIT THRESHOLD
Frequency Response (1/6 octave):80 HZ - 16 KHZ (+ OR -7 DB); (-10 DB @ 50 HZ, 22 KHZ)
Peak Acoustic Output @ 2 feet:98 DB SPL
Hum and Noise:BETTER THAN -68 DB BELOW FULL OUTPUT
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