WOHLER AMP1A-PLUS

Analogue Audio Monitor

AMP1A-PLUS

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The AMP1A Series monitors provide self-powered, full fidelity stereo audio monitoring of 2 analog channels (1 stereo channel) in the smallest rack space possible. These units contain four high performance transducers driven by three power amplifiers: one amplifier/driver combination handles midrange and high frequency information in stereo, 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, yet does so without the installation hassles, awkward speaker placements and “added-on” look. 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.

Audio Specifications

Analog Input Impedance > 40 kOhms balanced
Frequency Response 80 Hz – 16 kHz (+/-7 dB); (-10 dB @ 50 Hz, 22 kHz)
Hum and Noise Better than -68 dB below full output
Peak Acoustic Output @ 2 feet 98 dB SPL @ 2 ft
Power Output RMS Each Side: 5W Continuous/10W Peak;RMS Bass: 10W Continuous/20W Peak

 

Physical Specifications

Rack Height 1RU
Dimension Width 19.0″ (483mm)
Dimension Height 1.75″ (45mm)
Dimension Depth 12.0″ (305mm)
Speakers Yes
Net Weight 10.0 lbs (4.5 kg)
Shipping Weight 10.0 lbs (4.6 kg)
Power Consumption 35 Watts
Power Supply Internal IEC Connector, Universal Input, 100-240VAC, 50/60Hz, CE & UL approved.