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AMP2-VSDA
   
    
4-channel SDI audio summing, metering and monitoring unit that selects between 1 SDI audio group, 2 AES input pairs or 4 analog inputs.
Product Description

The AMP V Series monitors provide self-powered, full fidelity stereo audio monitoring. These units feature four LED level meters showing simultaneous VU and PPM for accurate level-metering of all four input sources from the selected input group. These units contain high performance transducers driven by three power amplifiers: one amplifier/driver combination handles midrange and high frequency information, while the second handles summed low frequency information below the 500 Hz crossover point.

The unique design provides optimally focused sound for operators in an ultra near field (1 to 3 ft.) working environment and offers performance comparable to that of many separate monitor pairs. This provides for a higher SPL for the operator while reducing overall ambient sound and adjacent bay crosstalk.

Extended HF response reveals potential problems with audio whine or hiss. Electronic rather than acoustic cancellation of bass frequencies provides positive audible detection of out-of-phase (reversed polarity) audio feeds.

A headphone jack is provided on the front panel, usage automatically mutes the speakers. The front panel features an innovative LED display of phase/polarity relationships. Output limiter circuits are incorporated to protect the speakers, and extensive magnetic shielding allows placement immediately adjacent to video monitors with no color impurities.

The AMP V Series monitors are ideally suited for use in VTR bays, mobile production vehicles, teleconferencing installations, multimedia systems, satellite link and cable TV facilities, and on-air radio studios.

List Price: Consult your local dealer.
End of Life, Not available for purchase
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Features
 
Wohler Part Number:8103-0120
Signal Inputs Accepted:   
Monitoring Outputs Available:    
Signal Inputs:4 Balanced Analog Inputs on XLR; 2 Unbalanced AES Input Pairs on BNC; 2 Balanced AES Input Pairs on XLR; 1 SD-SDI Input on BNC
Signal Outputs:2 Balanced Analog Outputs from Selected Source on XLR; 4 Balanced Analog Outputs from Selected Digital Source on Phoenix; 2 Unbalanced AES Output Pairs from SDI on BNC; 1 SD-SDI Reclocked Output on BNC
Audio
AES/EBU Input Termination:110 ohms balanced; 75 Ohms unbalanced
AES/EBU Input Sampling Rate:32-48 kHz, auto-detecting
SDI Input Termination:75 Ohms unbalanced
Aural Sound Outputs:Wohler Speaker System;Headphone, Mutes Speakers
Acoustic Distortion:6% or less at worst case frequencies above 180 Hz including cabinet resonance, typically < 1.5%
Electrical Distortion:<0.15% at any level below limit threshold
Frequency Response (1/6 octave):80 Hz - 16 kHz (+ or -5 dB); (-10 dB @ 40 Hz, 20 kHz)
Peak Acoustic Output @ 2 feet:104 dB SPL
Hum and Noise:Better than -68 dB below full output
Power Output:RMS Each Side: 14W Transient/10W Continuous; RMS Bass: 35W Transient/25W Continuous
Level Meters:4 x 53 Segments (Vertical)
Level Meter Threshold:0, +4, +6, +8 dBv(='0'), DIP selectable; Factory setting is +4 d
Level Meter Scale:+15 to -50 dB
Level Meter Dynamics:Simultaneous VU & PPM
Level Meter Resolution:1 dB
Video
# of Video Displays:0
Rack Height:2RU
Weight:18.0 lbs (8.2 kg)
Shipping Weight:18.0 lbs (8.2 kg)
Dimensions:3.5x19x12" (89x483x305mm)
Power Consumption:45W
Supplied Accessories:AC Power Cord
Rear Panel
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Block Diagram
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