Wohler AMP1-D8-MDA
8 Channel, 3G/HD/SD-SDI, Audio Monitor, Dolby AC-3, 1RU


The Wohler AMP1-D8-MDA monitor is a 1RU in-rack audio monitor capable of outputting and/or displaying encoded, multi-channel (up to 8 channels) of audio from Dolby D streams decoded from AES and 3G/HD/SD-SDI multi-channel. The ability to switch seamlessly between encoded or discrete PCM sources, in addition to providing full, simultaneous demuxed output of the multi-channel source offers a significant new operational capability.

These units are ideal for use in VTR bays, mobile production vehicles, teleconferencing installations, multimedia systems, satellite links, cable TV facilities, and on-air radio studios. Extended HF response reveals potential problems with audio whine or hiss, and electronic rather than acoustic cancellation of bass frequencies provides positive audible detection of reversed polarity audio feeds. The sleek design provides optimally focused sound for operators in an ultra near field environment (1 to 3 feet) with performance comparable to that of many separate monitor pairs without installation hassles and awkward speaker placements. This enables a higher SPL for the operator while reducing overall ambient sound and adjacent bay crosstalk.

Wohler AMP1-D8-MDA Features:

  • Backlit LED screen displays phase, signal type, DolbyD program, and more
  • Eight 26-segment tri-color LED bar graphs displaysimultaneous VU and PPM
  • Sum any combination of up to 8 channels to the leftand/or right speakers and selected analog outputs
  • Premium quality drivers and power amplifiers deliverexcellent frequency response and low distortion
  • Power 98dB SPL at 2 feet (0.6m)

Wohler AMP1-D8-MDA Specifications:

  • 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: 8% or less 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 - 18 kHz (+ or -5 dB); (-10 dB @ 55 Hz, 21 kHz)
    • Peak Acoustic Output @ 2 feet: 98 dB SPL
    • Hum and Noise: Better than -68 dB below full output
    • Power Output: High Frequency: 5W (7W Peak) RMS (each channel); Low Frequency: 11W RMS (16W Peak)
    • Level Meters: (8) 26 Segments (Vertical)
    • Level Meter Threshold: 0, +4, +6, +8 dBv: switch selectable
    • Level Meter Scale: 0 to -60 dB
    • Level Meter Dynamics: Simultaneous VU and PPM
    • Level Meter Resolution: 1 dB
  • Video:
    • # of Video Displays: 0
    • Display Characteristics: LCD
    • Display Modes: Data Only
    • Rack Height: 1RU
    • Weight: 13.0 lbs (5.9 kg)
    • Shipping Weight: 18.0 lbs (8.2 kg)
    • Dimensions: 1.75 x 19 x 13.5" (45 x 483 x 343 mm)
    • Power Consumption: 72W Max
    • Supplied Accessories: Power Cord
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