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The AMP1-S8MDA 8 Channel HD-SDI, SD-SDI,AES/EBU and Analog Audio Monitor from Wohler is an audio monitoring system that offers (8) channel analog, AES/EBU, SD/HD-SDI digital multi-channel audio monitoring and conversion, as well as professional level metering. This unit is ideally suited for work in TV facilities, studios, VTR bays, mobile production vehicles, satellite links, or any rackmount environment, among many other possible applications and settings.
It contains (3) audiophile-quality drivers and (3) power amplifiers. The unit also has (2) speakers and amplifiers that reproduce midrange and high-frequency information in stereo. A third amplifier-driver combination manages summed LF information below the 500Hz crossover point. Level metering is enhanced by the monitor's (8) 26-segment high-resolution tri-color LED level meters, which display simultaneous VU and PPM. The front panel also features an LCD display with phase-polarity relationships. Output-limit circuits protect the speakers and magnetic shielding allows placement adjacent to video monitors.
These design elements provide ideal sound output for operators in an ultra near field working environment of 1 to 3'. Moreover, the setup rivals the performance of separate monitor pairs without the problems associated with a separate add-on installation. The monitor's design also provides the operator with a higher SPL while reducing overall ambient sound and adjacent bay crosstalk.
The monitor's extended high-frequency response can reveal potential problems with audio whine and hiss. Electronic cancellation of bass frequencies provides positive audible detection of out-of-phase reversed-polarity audio feeds. A headphone jack is included on the front panel and using it automatically mutes the speakers.
Professional Audio Monitoring & Conversion
Use this audio monitoring system to manage (8) channel analog, AES/EBU, SD/HD-SDI digital multi-channel audio.
Advanced Level Metering
The monitor features (8) 53-segment high-resolution tri-color LED level meters with simultaneous VU and PPM information.
Output-limit circuits and magnetic shielding are included to protect your investment.
Audio Tools & Settings
The unit features a number of advanced design features that allow you to monitor and adjust audio to achieve the highest quality results with your work.
In the Box
Wohler AMP1-S8MDA 8 Channel HD-SDI, SD-SDI,AES/EBU and Analog Audio Monitor
One-Year Warranty Against Defects in Material & Workmanship
Table of Contents
Analog: (8) balanced analog inputs, DB-25 AES/EBU: (4) unbalanced (BNC) or balanced (DB-25) AES/EBU inputs SDI: (2) HD/SD-SDI inputs, BNC
Analog: DB-25, (8) balanced analog outputs from SDI, AES/EBU or analog. XLR: balanced analog output of (2) selected channels or multichannel downmix AES/EBU:
(4) unbalanced (high density DB-15) AES/EBU outputs from SDI.
Balanced output is optional (DB-25) SDI: (1) reclocked SDI output, BNC Optional Video Output: component or composite
Level Meters: 8 x 26 segment Level Meter Scale: 0 to -60 dB Level Meter Threshold: 0, +4, +6 or +8dBv : switch selectable Level Meter Dynamics: simultaneous VU & PPM
Midscale Resolution: 1dB Peak Acoustic Output: @ 2 feet 98dB SPL Frequency Response:
(1/6 octave) 80Hz to 20kHz (±5dB) (-10dB @ 50Hz, 22kHz) Analog Input Impedance: >40 kOhms balanced. 10 kOhms unbalanced AES/EBU Input Termination: 110 ohms balanced, 75 ohms unbalanced SDI Input Termination: 75 ohms unbalanced AES/EBU Input Sampling Rate: 32-48kHz, auto-detecting Hum and Noise: better than -68dB below full output Electrical Distortion: <0.15% at any level below limit threshold Acoustic Distortion:
8% or less worst case frequencies above 180Hz including cabinet resonance,
typically <2% Magnetic Shielding: <0.5 gauss any adjacent surface
RMS each side (2 ohms) - 5W, 7W peak
RMS center WOOFER (4 ohms) - 11W, 16W peak Power Consumption: (average maximum) 30W Power Supply:
100 to 240VAC, 50/60Hz universal input
CE and UL approved