Wohler AMP1-S8DA 8-Channel AES and Analog Audio Processor

Wohler AMP1-S8DA 8-Channel AES and Analog Audio Processor

Wohler AMP1-S8DA 8-Channel AES and Analog Audio Processor

Wohler AMP1-S8DA 8-Channel AES and Analog Audio Processor


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  • 1Description

The AMP1-S8DA 8-Channel AES and Analog Audio Processor from Wohler Technologies processes and monitors up to 8 channels from AES/EBU or analog audio sources and features 8 high-resolution 53-segment LED level meters, a high-contrast LCD status display, a variety of balanced and unbalanced I/O connectors, and useful down-conversion features.

This unit contains 4 audiophile-quality drivers and 3 power amplifiers; 2 speakers and amplifiers reproduce midrange and high-frequency information in stereo, while a third amplifier and 2 speakers handle summed LF information below the 500 Hz crossover point.

This unit also features 8 26-segment high resolution, tri-color LED level meters showing simultaneous VU and PPM for superior level metering. The front panel features an innovative LCD 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.

Status display shows current settings and signal status. Input presets may be configured and recalled and settings are non-volatile. Three separate amplifier/driver combinations ensure high-fidelity and optimally focused sound by independent reproduction of the mid-high frequencies in the left and right channels and the bass frequencies in the center woofer channel.

Output limiter circuits are utilized for speaker protection. Features include a stereo analog output of the selected audio source on 2 XLR connectors, volume and balance controls, power LED, stereo headphone output, internal power supply, and robust mechanical design with magnetic shielding.

This unit is suitable for space-critical environments such as TV facilities, studios, VTR bays, mobile production vehicles, satellite links, and any rack mount environment where multi-channel audio monitoring is required.

Eight 26-segment tri-color LED bar graphs displaying simultaneous VU and PPM
Headphone jack (mutes speakers)
Front panel summing of any combination of up to 8 channels to the left and/or right speakers and selected analog outputs.
High quality drivers and power amplifiers
Audible indications of phase/polarity problems
Phase-correlation display of selected channels
Output limiter protected speakers
Comprehensive downmix capability
Phase correlation indication
Software is field upgradable
Storage for 10 preset monitoring settings for easy recall
Alternate scales, color mappings
Phase correlation or sum & difference may be specified at the time of order
Thorough magnetic shielding prevents interference from nearby equipment
Electronic cancellation provides detection of out-ofphase (reversed polarity) audio feeds
Good frequency response and low distortion
Focused sound, reduces adjacent bay crosstalk
Ultra near-field offers exceptional monitoring performance
Small rack space requirements makes it suitable for space-critical environments
In the Box
Wohler AMP1-S8DA 8-Channel AES and Analog Audio Processor
  • AC External Power Unit / Cord
  • Limited 1-Year Warranty on Parts & Labor
  • Note: The warranty can be automatically extended, for audio products only, to a 24 month warranty by registering the serial number of your product online at Wohler's website within 6 months of shipment.

    Table of Contents
    • 1Description
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    Signals Monitored Analog: AES/EBU
    Input 8 x Balanced Analog Inputs on DB-25
    2 x RS-232 (DB-9)
    4 x Unbalanced AES Input Pairs on BNC
    4 x Balanced AES Input Pairs on DB-25
    Output 2 x Balanced Analog Outputs Summed from Selected Source on XLR
    8 x Balanced Analog Outputs from Selected Source on DB-25
    4 x Balanced AES Loop-Through Output Pairs on DB-25
    Other Connectors Other Rear Panel Connectors: 1 x Remote (DB-9)
    AES/EBU Input Termination Balanced: 110Ω
    Unbalanced: 75Ω (DIP selectable on rear panel)
    Level Meters Vertical: 8 x 26 Segments
    Level Meter Scale 0 to -60 dB
    Level Meter Threshold 0, +4, +6, +8 dBv: switch selectable
    Level Meter Dynamics Simultaneous VU & PPM
    Level Meter Resolution 1 dB
    Display Characteristics LCD
    Display Modes Data only
    Aural Sound Outputs Wohler speaker system, headphones, mute speakers
    Distortion Electrical: <0.15% at any level below limit threshold
    Acoustic: 6% or less worst case frequencies above 140 Hz including cabinet resonance, typically <1.5%
    Magnetic Shielding <0.8 gauss any adjacent surface
    Frequency Response 1/6 Octave 80 Hz to 20 kHz (+ or -5 dB); (-10 dB @ 50 Hz, 22 kHz)
    Peak Acoustic Output at 2 feet 104 dB SPL
    Hum and Noise Better than -68 dB below full output
    Power Requirements Power to the unit is 100 to 240 V AC ± 10%, 50/60Hz
    Power Output High Frequency: 5W (7W Peak) RMS (each channel)
    Low Frequency: 11W RMS (16W Peak)
    Power Consumption 60 W
    Space requirements 1 RU in a standard 19.0"(48.2 cm)rack
    Rack Height 1 RU
    Dimensions 1.75 x 19.0 x 13.5" (45.0 x 483.0 x 343.0 mm)
    Weight 18.0 lb (8.2 kg)
    Packaging Info
    Package Weight 14.7 lb
    Box Dimensions (LxWxH) 23.9 x 17.3 x 8.5"

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