The AMP1-DA/106 audio monitor provides self-powered, full-fidelity stereo monitoring in the smallest rack space possible (1U).
The unit features two selectable AES input sources on unbalanced BNC connectors and a stereo analog input source on two balanced XLR connectors, 2-position AES source select switch, 2-position D/A source select switch, and two 106-segment high-resolution tri-color LED bargraph level meters.
A pair of balanced XLR connectors output the selected audio source for connection to downstream equipment.
The level meters may be adjusted for a number of parameters, including Display Mode, Peak Hold, PPM Ballistics, Alternate Scales, and Phase Correlation via rear panel and internal DIP switches. An Auto Line Level Calibrate feature is also available.
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 front panel also features an AES status LED, Wohler's' proprietary three-LED stereo phase indication feature, volume control, balance pot, power indication LED, and stereo headphone output.
| Specifications: |
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| Rack Height: |
1RU |
| Weight: |
14.0 LBS (6.4 KG) |
| Dimensions: |
1.75X19X12" (44.5X483X298MM) |
| Power Consumption: |
35W |
| Signals Monitored: |
ANALOG;AES/EBU |
| Analog Inputs: |
2 BALANCED ANALOG INPUTS ON XLR |
| Analog Outputs: |
2 BALANCED ANALOG OUTPUTS FROM SELECTED SOURCE ON XLR |
| AES/EBU Inputs: |
2 UNBALANCED AES INPUT PAIRS ON BNC |
| AES/EBU Input Termination: |
75 OHMS UNBALANCED |
| AES/EBU Input Sampling Rate: |
32-48 KHZ, AUTO-DETECTING |
| Level Meters: |
2 X 106 SEGMENTS (HORIZONTAL) |
| Level Meter Scale: |
+16 TO -56 DB |
| Level Meter Threshold: |
0, +4, +6, +8 DBV(='0'), DIP SELECTABLE; FACTORY SETTING IS +4 D |
| Level Meter Dynamics: |
SIMULTANEOUS VU & PPM |
| Level Meter Resolution: |
2 DB |
| 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 |
| Other Features (1): |
ALTERNATE SCALES, COLOR MAPPINGS AND FEATURES SUCH AS PHASE CORRELATION OR SUM & DIFFERENCE MAY BE S |
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