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Wohler Technologies

Wohler Technologies AMP1A-SVC Analog Monitor Panel

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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.

View Product Features

  • High-Quality Speakers: Full-range speakers for critical listening.
  • Analog Audio Inputs: Accepts balanced stereo analog audio inputs via XLR.
  • Intuitive Front Panel: Easy access to volume and balance controls.
  • Clear LED Metering: Provides bright, accurate LED level meters (VU/PPM options).
  • Compact 1U Design: Single rack space saves valuable rack unit real estate.
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About the Wohler Technologies AMP1A-SVC Analog Monitor Panel

The Wohler Technologies AMP1A-SVC is a compact, high-performance analog audio monitoring panel designed for critical listening and signal verification in professional broadcast, video production, and audio post-production environments. This single-rack-unit device provides engineers and technicians with a dedicated, streamlined interface for monitoring analog audio feeds, typically from video servers, switchers, or routing systems. Its primary function is to deliver transparent, high-fidelity audio playback with precise level control and metering, enabling accurate assessment of audio quality, synchronization, and content before transmission or distribution. The unit is built to integrate seamlessly into equipment racks within master control rooms, mobile production trucks, and edit suites.

Engineered for reliability and intuitive operation, the panel features a robust, clean signal path that maintains the integrity of the source material. It offers independent control over two monitored channels, each with its own large, smooth-turning level potentiometer for precise gain adjustment. The unit is equipped with high-resolution LED bar-graph meters that provide clear visual feedback on peak audio levels, essential for ensuring signals remain within technical specifications and free from clipping. A dedicated front-panel headphone output with its own level control allows for private, detailed listening without interrupting the main monitor feed, which is crucial for error-checking and fine-tuning in busy operational environments.

The AMP1A-SVC is characterized by its straightforward, no-nonsense design focused on utility and durability. It requires minimal configuration, operating on a simple principle of receiving a line-level analog input and providing both a monitored output and a clean, loop-through output to feed the next device in the chain. This pass-through capability ensures signal flow is not interrupted for downstream equipment. Built to the high standards typical of Wohler's monitoring solutions, it offers broadcasters and production facilities a dependable, always-available tool for maintaining the highest audio quality, ensuring that any anomalies can be identified and corrected swiftly to maintain on-air or production integrity.

Key Features

  • High-Quality Speakers: Full-range speakers for critical listening.
  • Analog Audio Inputs: Accepts balanced stereo analog audio inputs via XLR.
  • Intuitive Front Panel: Easy access to volume and balance controls.
  • Clear LED Metering: Provides bright, accurate LED level meters (VU/PPM options).
  • Compact 1U Design: Single rack space saves valuable rack unit real estate.

Wohler Technologies AMP1A-SVC Analog Monitor Panel Specs

Audio Specifications
Input Channels
2 (Stereo Pair)
Input Impedance
10 kOhms, balanced
Output Impedance
50 Ohms, balanced
Frequency Response
20 Hz - 20 kHz ±0.5 dB
Total Harmonic Distortion
<0.05% @ 1 kHz, +4 dBu
Metering Specifications
Meter Type
12-segment LED Bar Graph
Meter Scale
-30 dB to +6 dB
Meter Ballistics
Peak hold, VU selectable
Physical Specifications
Rack Units
1U
Panel Width
19 inches (482.6 mm)
Panel Height
1.75 inches (44.45 mm)
Depth
7 inches (177.8 mm)
Weight
2.65 kg (5.84 lbs)
Electrical Specifications
Power Supply
100-240V AC, 50/60 Hz
Power Consumption
10 Watts
Operating Voltage
+/-15V DC internally
Connectivity
Input Connectors
XLR female
Output Connectors
XLR male (loop-through)
Headphone Connector
1/4 inch TRS jack
Headphone Impedance
8 - 600 Ohms

Key Features

  • High-Quality Speakers: Full-range speakers for critical listening.
  • Analog Audio Inputs: Accepts balanced stereo analog audio inputs via XLR.
  • Intuitive Front Panel: Easy access to volume and balance controls.
  • Clear LED Metering: Provides bright, accurate LED level meters (VU/PPM options).
  • Compact 1U Design: Single rack space saves valuable rack unit real estate.
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