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Wohler VAMP2-MDA 4-Channel HD/SD-SDI Audio Video Monitor

Wohler VAMP2-MDA 4-Channel HD/SD-SDI Audio Video Monitor

Wohler VAMP2-MDA 4-Channel HD/SD-SDI Audio Video Monitor Back View

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Sugg Retail Price: $5,515.00

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The VAMP2-MDA audio monitor is capable of monitoring embedded AES and Analog audio signals separately or in conjunction with CVBS, HD-SDI, or SD-SDI video signals. In Mix mode, each of the 4 input channels may be individually assigned to be monitored from the left or right speakers.

Color coded LEDs above each level meter bargraph display indicate which channels are selected for monitoring and to which speaker they are assigned.

Audio phase relationships are indicated by a bi-color (Red /Green) LED on the front panel. Audio input selection status is indicated by LEDs in close proximity to the selection buttons. When monitoring digital SDI signals, a selection of 4 SDI groups is selectable via a front panel button.

Analog or AES audio signals may be monitored separately from the HD/SD-SDI and CVBS video inputs or a track video feature may be used to automatically route audio input to follow the video input signals.

Audio meters are tri-color (red / amber/ green) and have a dynamic range of 65 dB. The bargraph brightness is adjustable using controls located on the top cover.

2 pairs of auxiliary AES inputs and 8 analog audio inputs are also included for applications that do not use embedded audio. The built-in color LCD screen allows confidence monitoring of video from either the SDI input or composite analog video inputs. Also included is a composite video monitor output from the selected SDI source for use with larger, external video monitors. The analog audio section features 4 channels and level meters; any of the 4 channels may be selected independently and sent to the 2 channel speaker system, headphone output, and phase indicator. Thus, this monitor is capable of independent monitoring of each audio track and is a useful tool for converting and demuxing digital signals.


Self-powered speaker system
2 SDI and 2 composite video inputs
SDI to RGB/YUV video output
Convenient front panel SDI audio group select control
2 groups of 2 AES/EBU or 2 groups of 4 analog audio inputs
Headphone jack mutes speakers
53-segment tri-color LED level meters show VU and PPM simultaneously
Converts SDI to analog composite video output
Internal or external speaker switch (no amplifier needed)
De-embeds any selected audio group from SDI to AES/EBU digital and analog outputs
4" (10.1 cm) color LCD video screen auto-detects NTSC/PAL
Low power consumption
Signals Monitored Analog: AES/EBU; HD/SD-SDI
Input 2 x CVBS inputs on BNC
8 x Balanced analog inputs on DB-25
4 x Unbalanced AES input pair on BNC
4 x Balanced AES input pair on DB-25
2 x HD/SD-SDI video inputs on BNC
Output 2 x CVBS loop-through outputs on BNC
1 x CVBS output from selected SDI source on BNC
2 x Balanced analog outputs from selected source on XLR
8 x Balanced analog outputs on DB-25
4 x Balanced AES demuxed output pair from SDI on HD-15
4 x Balanced AES loop-through output pair on DB-25
1 x HD/SD-SDI re-clocked video output on BNC
AES/EBU Input Termination Balanced: 110 Ω
Unbalanced: 75
Analog Input Impedance 40 kΩ
Level Meters Vertical: 4 x 53 Segment
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
Video Display 1
Display Size 4.0" (10.1 cm)
Display Characteristics High resolution TFT LCD, Transmissive
Display Modes NTSC / PAL auto-sensing
Active Viewing Area H x W: 3.2 x 2.4" (82.0 x 62.0 mm)
Screen Type 4.0" (109.2 mm) transmissive high-resolution LCD, active matrix TFT
Native Aspect Ratio HD-SDI : 16:9
SD-SDI: 4:3 or 16:9
Resolution 480 x 234
Viewing Angle Top: 10
Bottom: 30
Left / Right: 45
Pixel Pitch 0.171 x 0.264 mm
Pixel Response Rising: 15 ms
Falling: 20 ms (typical)
Lamp Life Average: 15 k hours
Luminance 250 cd/m²
Contrast 150:1
Color System RGB delta
Color Depth 262 k
Aural Sound Outputs External speaker connections, Wohler speaker system, headphone, mute speakers
Distortion 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 20 Hz to 20 kHz (+ or - 1dB)
Peak Acoustic Output at 2 feet 96 dB SPL
Hum and Noise > -68 dB below full output
Power Requirements 100 V to 240 VAC ± 10%, 50/60 Hz
Loudspeaker Power 15 W per speaker
Power Output For RMS Each Side (4 Ω)
Transient: 20 W
Continuous: 11 W
Power Consumption 60 W
Electrical THD: <0.15% at any level below limit threshold
Rack Height 2 RU
Dimensions 3.5 x 19.0 x 9.5" (89.0 x 483.0 x 241.0 mm)
Weight 11.5 lb (5.2 kg)
Wohler VAMP2-MDA 4-Channel HD/SD-SDI Audio Video Monitor
  • AC External Power Unit / Cord ( Note: Attached external power unit plugs into standard U.S. outlet. Alternate power cables are available).
  • Limited 1-Year Warranty on Parts & Labor ( 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.)
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