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Wohler AMP2-D8DA 8-Channel Audio Monitor with Dolby AC3

Wohler AMP2-D8DA 8-Channel Audio Monitor with Dolby AC3

Wohler AMP2-D8DA 8-Channel Audio Monitor with Dolby AC3

B&H # WO8CAAAMD MFR # AMP2-D8DA
Wohler AMP2-D8DA 8-Channel Audio Monitor with Dolby AC3

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Overview
  • 1Description

The AMP2-D8DA 8-Channel Audio Monitor with Dolby AC3 from Wohler Technologies is a 2RU in-rack audio monitor capable of outputting and displaying encoded, multi-channel audio from Dolby Digital streams decoded from AES. 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 operational capability.

This unit is recommended 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 provide 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') (0.3 to 0.9m) 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.

Supports decoding and playback of Dolby Digital bitstreams
Select and assign a channel or channel pair to left, right or both speakers, or select a predefined downmix
4 presets let you change the entire system configuration with the press of a single button
Thorough magnetic shielding allows placement next to sensitive equipment and video monitors
Backlit LED screen displays phase, signal type, Dolby program, and more
Eight 26-segment tri-color LED bar graphs display simultaneous VU and PPM
Sum any combination of up to 8 channels to the left and/or right speakers and selected analog outputs
High quality drivers and power amplifiers deliver good frequency response and low distortion
Power 104 dB SPL at 2' (0.6m)
In the Box
Wohler AMP2-D8DA 8-Channel Audio Monitor with Dolby AC3
  • Power Cord
  • Limited 1-Year Warranty on Parts & Labor
  • Table of Contents
    • 1Description
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    Specifications
    Signals Monitored Analog, AES/EBU, AC-3, Dolby E
    Input 8 x Balanced Analog Inputs (DB-25)
    4 x Unbalanced AES Input Pairs (BNC)
    4 x Balanced AES Input Pairs (DB-25)
    2 x Dolby AC-3 Inputs (BNC)
    Output 2 x Balanced Analog Outputs (XLR)
    8 x Balanced Analog Loop-Through Outputs From Selected Source (DB-25)
    4 x Balanced AES Loop-Through Output Pairs (DB-25)
    4 x Dolby AC-3 Decoded Outputs (BNC)

    1 x Unbalanced Aes Mix Output from Dolby Ac-3 (BNC)
    AES/EBU Input Termination 110 Ω balanced; 75 Ω unbalanced (DIP selectable on rear panel)
    Sampling Rate AES/EBU Input Sampling Rate: 32 to 48 kHz (auto detecting)
    Level Meters Vertical: 8 x 53 segments
    Level Meter Scale 0 to -66 dB
    Level Meter Threshold Analog: 0, +4, +6, +8 dBv
    Digital: -20, -18 or -9 dBFS
    Display Modes 1 dB
    Display Characteristics LCD
    Display Size Data only
    Aural Sound Outputs Wohler speaker system, headphone, mute speakers
    Distortion Acoustic Distortion: 6% or less at worst case frequencies above 140 Hz including cabinet resonance, typically < 1.5%
    Electrical Distortion: <0.15% at any level below limit threshold
    Frequency Response 1/6 Octave +/-5 dB: 80 Hz to 18 kHz
    -10 dB: 55 Hz, 21 kHz
    Power Consumption 104 dB SPL
    Hum and Noise Better than -68 dB below full output
    Power Output High Frequency: 6W RMS (each channel)
    Low Frequency: 14W RMS
    Power Maximum 72 W
    Rack Height 2RU
    Dimensions 3.5 x 19.0 x 14.0" (8.9 x 48.3 x 35.6 cm)
    Weight 22.0 lbs (10.0 kg)
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