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Wohler VAMP AC-3/M Dual Input 4.3 Inch Looped HD/SD-SDI Video Monitor
  • Wohler VAMP AC-3/M Dual Input 4.3 Inch Looped HD/SD-SDI Video Monitor
  • Wohler VAMP AC-3/M Dual Input 4.3 Inch Looped HD/SD-SDI Video Monitor
  • Wohler VAMP AC-3/M Dual Input 4.3 Inch Looped HD/SD-SDI Video Monitor
  • Wohler VAMP AC-3/M Dual Input 4.3 Inch Looped HD/SD-SDI Video Monitor
 

Wohler VAMP AC-3/M Dual Input 4.3 Inch Looped HD/SD-SDI Video Monitor

Item #: WOH-VAMP-AC3M   •   MFG #: VAMP AC-3/M

 

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The VAMP AC3/M is a high-resolution color video and stereo audio monitor designed specifically for simultaneous monitoring of HD/SD-SDI digital video and AC-3/Dolby Digital or AES/EBU digital audio, providing the six digital audio channels associated with ATSC/DVB programming in a 2U rack-size.

The unit monitors video and de-muxed audio from the HD/SD-SDI source and may also monitor audio from directly Dolby Digital (AC-3), AES/EBU, or PCM balanced or unbalanced sources.

The source video is monitored on a built-in 4.3" high-resolution wide-format color LCD display.

NTSC or PAL signals are automatically detected, displayed, and indicated.

SD and HD sources are automatically detected and displayed with 4:3 or 16:9 aspect ratios respectively.

Display controls include brightness and contrast adjustment.

The selected audio source is reproduced through a internal powered speaker system comprised of left and right midrange and woofer channels for full fidelity sound in a rack-mounted unit.

The rear panel features two HD/SD-SDI inputs (selectable with a front panel toggle switch) and one re-clocked output of the selected HD/SD-SDI source on BNC connectors.

HD/SD-SDI group and subgroup selection is set via front panel switches and an LED is provided to indicate SDI lock status.

Balanced XLR and unbalanced BNC inputs and loop-through outputs are provided for monitoring of PCM (Pulse Code Modulation), AES/EBU, or AC-3 (Dolby Digitalr) audio signals.

A toggle switch and LED on the front panel are provided to indicate and allow selection between two AC-3 Pro-16 signals, if they are present.

Two XLR connectors output analog audio of the sources selected for the left and right speaker channels.

High-resolution, wide-range LED bargraph level meters are provided for all six channels.

The fifty-three bicolor segments, spanning a range of 65 or 90 dB, simultaneously display signal levels according to both the PPM and VU standards.

Bargraph brightness is adjustable via a trim pot.

Both Left/Right and Front/Surround Phase/Polarity LED indicators are provided to alert of possible phase cancellation from mix-down in any likely playback situation.

Front panel LEDs provide AC-3 and AES/EBU input signal presence and power indication.

A headphone output mutes the speakers when used.

 
  • Specifications

    • Rack Height: 2RU
    • Weight: 18.0 lbs (8.2kg)
    • Dimensions: 3.5x19x12" (89x483x305mm)
    • Power Consumption: 60W Max
    • Signals Monitored: AES/EBU;HD/SD-SDI;Dolby AC-3
    • Analog Outputs: 2 Balanced Analog Outputs from Selected Source on XLR
    • AES/EBU Inputs: 1 Unabalanced Dolby AC-3 or AES Input on BNC; 1 Balanced Dolby AC-3 or AES Input on XLR
    • AES/EBU Input Termination: 110 ohms balanced; 75 Ohms unbalanced
    • AES/EBU Input Sampling Rate: 32-48 kHz, auto-detecting
    • AES/EBU Outputs: 1 Unbalanced Dolby AC-3 or AES Loop-through Output Pair on BNC; 1 Balanced Dolby AC-3 or AES Loop-through Output Pair on XL
    • SDI Inputs: 2 HD/SD-SDI Inputs on BNC
    • SDI Outputs: 1 HD/SD-SDI Re-clocked Output on BNC
    • Dolby Inputs: 1 Unbalanced Dolby AC-3 or AES Input on BNC; 1 Balanced Dolby AC-3 or AES Input on XLR
    • Dobly Outputs: 1 Unbalanced Dolby AC-3 or AES Loop-through Output Pair on BNC; 1 Balanced Dolby AC-3 or AES Loop-through Output Pair on XLR
    • Level Meters: 6 x 53 Segments (Vertical)
    • Level Meter Scale: 0 to -66 dB
    • Level Meter Threshold: 0, +4, +6, +8 dBv: DIP switch selectable
    • Level Meter Dynamics: Simultaneous VU & PPM
    • Level Meter Resolution: 1 dB
    • # of Video Displays: 1
    • Display Size: 4.3 in Diagonal
    • Display Characteristics: High resolution TFT LCD, Transmissive
    • Display Modes: NTSC/PAL auto-sensing
    • Active Viewing Area: 95.0 x 53.9 mm
    • Native Aspect Ratio: 16:9 & 4:3 (selectable)
    • Resolution: 480 x 272
    • Viewing Angle: Top=80; Bottom=80; Left/Right=80
    • Pixel Pitch: 0.198mm x 0.198mm
    • Pixel Response: 30 ms rising; 30 ms falling
    • Lamp LIfe: 10k hours (average)
    • Luminance: 165 cd/m^2
    • Contrast: 400 to 1
    • Color Depth: 1.6 million
    • Aural Sound Outputs: Headphone Out, Mutes Speakers;Internal mid-range L/R Speakers
    • Acoustic Distortion: 1.5% or less at frequencies above 200 Hz; 6% or less worst case
    • Electrical Distortion: Less than 0.15% at any level below limit threshold
    • Frequency Response (1/6 octave): 120 Hz - 16 kHz (+ or -5 dB); (-10 dB @ 40 Hz, 20 kHz)
    • Peak Acoustic Output @ 2 feet: 100 dB SPL
    • Hum and Noise: More than -68 dB below full output
    • Power Output: RMS each side (4 ohms) - 10W, 14W peak
    • Other Features (1): 1 x RS232 on DB9 for Programming & Updates
     
 
 

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