Wohler AMP1A-SUM6/RD 6-Channel Analog Audio Mixing Monitor

Wohler AMP1A-SUM6/RD 6-Channel Analog Audio Mixing Monitor

Wohler AMP1A-SUM6/RD 6-Channel Analog Audio Mixing Monitor

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Wohler AMP1A-SUM6/RD overview

  • 1Description

The AMP1A-SUM6/RD 6-Channel Analog Audio Mixing Monitor from Wohler Technologies provides self-powered, full-fidelity stereo monitoring of analog audio in a small rack space (1U) with a mounted depth of just 6.5" (16.5cm), 6 audio input channels on a DB25 connector, and 6 individual volume controls. Channels 1, 2, and 3 are summed to the left speaker and channels 4, 5, and 6 are summed to the right speaker.

Each of the 6 channels may be individually adjusted for volume to allow mixing of the overall output. The audio amplifier section features 5 high-performance transducers driven by 3 power amplifiers: 2 amplifier/driver combinations handle midrange and high-frequency information in stereo (left and right speakers), while the third center channel reproduces information below the 500 Hz crossover point (woofer speaker). This design provides optimally focused sound for operators in an ultra near field of 1 to 3' (0.3 to 0.9m) working environment and offers performance comparable to that of many separate monitor pairs, yet does so without the installation hassles, awkward speaker placements, and added-on look. This provides for a high 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 that automatically mutes the speakers. Output limiter circuits are incorporated to protect the speakers, and extensive magnetic shielding allows placement immediately adjacent to magnetically sensitive equipment with no color impurities, such as video monitors. The unit features 6 input channel volume controls, a power indication LED, and a headphone output.

High quality drivers and power amplifiers
Analog inputs with individual volume controls (summed)
Full fidelity audio monitoring in only 1RU of rack space
Powerful 98 dB SPL at 2' (0.6m)
Thorough magnetic shielding allows placement next to video monitors
Extended frequency response and low distortion provide excellent reproduction
Audible indication of phase/polarity provides instant information
Blowout proof speakers
In the Box
Wohler AMP1A-SUM6/RD 6-Channel Analog Audio Mixing Monitor
  • AC Power Cord
  • AC Power Adapter with 24VDC Cord & Plug
  • 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

    Wohler AMP1A-SUM6/RD specs

    Signals Monitored Analog
    Analog Input 6 analog balanced (1 DB-25)
    Aural Sound Outputs Wohler speaker system, headphone, mute speakers
    Distortion Acoustic Distortion: 8% or less worst case, typically < 2% above 180 Hz
    Electrical Distortion: <0.15% at any level below limit threshold
    Frequency Response 1/6 Octave ± 7 dB: 80 Hz to 16 kHz
    -10 dB: 50 Hz to 22 kHz
    Peak Acoustic Output at 2 feet 90 dB SPL
    Hum and Noise Better than -68 dB below full output
    Analog Input Impedance 40 kΩ > balanced
    Power Output RMS Each Side: 10 W Transient / 5 W Continuous
    RMS Bass: 10 W Transient / 5 W Continuous
    Power Consumption 35 W power connector feaetceaezrratzd

    Attached external power unit plugs into standard U.S. outlet. Power cables are sold separately

    Magnetic Shielding <1 Gauss any adjacent surface
    Rack Height 1RU
    Dimensions (HxWxD) 1.75 x 19.00 x 6.50" (44.00 x 483.00 x 165.00 mm)
    Weight 5.0 lbs (2.3 kg)

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