Wohler AMP1-V2DA
Rackmount 4-Channel Audio Summing, Metering and Monitoring Unit


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List Price: $2,495.00
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The Wohler AMP V Series of audio monitors provide self-powered, full fidelity stereo audio monitoring. These units feature four LED level meters showing simultaneous VU and PPM for accurate level-metering of all four input sources from the selected input group. These units contain high performance transducers driven by three power amplifiers: one amplifier/driver combination handles midrange and high frequency information, while the second handles summed low frequency information below the 500 Hz crossover point.

The unique design provides optimally focused sound for operators in an ultra near field (1 to 3 ft.) working environment and offers performance comparable to that of many separate monitor pairs. This provides for a higher SPL for the operator while reducing overall ambient sound and adjacent bay crosstalk.

Extended HF response reveals potential problems with audio whine or hiss. Electronic rather than acoustic cancellation of bass frequencies provides positive audible detection of out-of-phase (reversed polarity) audio feeds.
A headphone jack is provided on the front panel, usage automatically mutes the speakers. The front panel features an innovative LED 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.

The AMP V Series monitors are ideally suited for use in VTR bays, mobile production vehicles, teleconferencing installations, multimedia systems, satellite link and cable TV facilities, and on-air radio studios.

Wohler AMP1-V2DA Features:

  • Signal Inputs Accepted:  Analog, AES
  • Monitoring Outputs Available:  Speakers, Level Meters, Phase Metering and Headphones
  • Signal Inputs:  4 Balanced Analog Inputs on Phoenix; 2 Unbalanced AES Input Pairs on BNC
  • Signal Outputs:  2 Balanced Analog Summed Outputs on XLR; 4 Balanced Analog Outputs from AES on Phoenix; 2 Unbalanced AES Loop-through Output Pairs on BNC

Wohler AMP1-V2DA Specifications:

  • AES/EBU Input Termination:  75 Ohms unbalanced
  • AES/EBU Input Sampling Rate:  32 Hz - 48 kHz, auto-detecting
  • Aural Sound Outputs:  Wohler Speaker System; Headphone, Mutes Speakers
  • Acoustic Distortion:  8% or less at 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 - 16 kHz (+ or -7 dB); (-10 dB @ 50 Hz, 22 kHz)
  • Peak Acoustic Output @ 2 feet:  98 dB SPL
  • Hum and Noise:  Better than -68 dB below full output
  • Power Output:  RMS Each Side: 10W Transient/5W Continuous; RMS Bass: 20W Transient/10W Continuous
  • Level Meters:  4 x 26 Segments (Vertical)
  • Level Meter Threshold:  0, +4, +6, +8 dBv(='0'), DIP selectable; Factory setting is +4 d
  • Level Meter Scale:  +12 to -50 dB
  • Level Meter Dynamics:  Simultaneous VU & PPM
  • Level Meter Resolution:  2 dB
  • Rack Height:  1RU
  • Weight:  10.0 lbs (4.5 kg)
  • Shipping Weight:  10.0 lbs (4.5 kg)
  • Dimensions:  1.75" x 19" x 12" (45mm x 483mm x 305mm)
  • Power Consumption:  35W
  • Supplied Accessories:  AC Power Cord
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