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AtlasIED TSD-ML22VCA 2-Channel Mic/Line Preamp With True VCA

AtlasIED TSD-ML22VCA 2-Channel Mic/Line Preamp With True VCA

SoundPro Item: 20015 | Part Number: TSD-ML22VCA

Regular price $322.99
Regular price $401.99 Sale price $322.99
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MSRP: $401.99 | MAP: $322.99

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  • True VCA Architecture Delivers Efficient Volume Control Versus Transformer-Based Attenuators
  • Dual Independent Channels Support Two Discrete Zones Or A Stereo Source
  • Switchable Phantom Power Enables Use Of Condenser Microphones
  • Defeatable High-Pass Filter Preserves Speech Clarity By Reducing Low-Frequency Feedback
  • Input Signal And Peak LEDs Allow At-A-Glance Level Monitoring
  • High Gain Output Drives Long Balanced Lines Without Signal Degradation
  • Security Covers On All Front Panel Controls Protect Settings In Public Installations

The AtlasIED TSD-ML22VCA is built for AV integrators designing installed audio systems where clean mic capture and reliable zone-level control must coexist in a compact, rack-friendly module. Unlike transformer-based attenuators, the true VCA topology handles high-power music applications with greater efficiency and lower signal degradation, making it a practical choice for sports bars, hotels, restaurants, and multi-zone commercial installations where music and paging share the same infrastructure.

Each of the two channels accepts mic or line-level signals via Phoenix-style connectors, giving installers clean termination without breakout cables. The onboard mic preamps include switchable phantom power for condenser microphones and a defeatable high-pass filter to cut low-frequency rumble and feedback below the vocal range, keeping speech intelligibility intact. Input signal and peak LEDs provide at-a-glance level monitoring without requiring additional metering hardware.

The TSD-ML22VCA is designed to integrate within the broader AtlasIED TSD ecosystem. It draws only 70mA, so it is compatible with any TSD power supply—sold separately—and multiple units can share a single supply when sized correctly using the TSD Power Calculator. Security covers on all front panel controls protect settings in public-facing environments where tampering is a concern.

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Specifications

Audio
Input Impedance
1.2KΩ Balanced, 600Ω Unbalanced
Output Impedance
300Ω Balanced, 150Ω Unbalanced
Mic Input Gain
46dB, 10mV (-40dBV) Balanced
Line Input Level
1V (0dBV) Balanced, 2V (+6dBV) Balanced Output
Line Output Level
1V (0dBV) In
Frequency Response
20Hz - 20kHz
Signal To Noise Ratio Line To Line
85dBV
Signal To Noise Ratio Line To Mic
55dBV
Performance
Phantom Power
24VDC Defeatable
Low Cut Filter
125Hz/12dB Defeatable
Electrical
Voltage Compatibility
24V
Power Requirements
70mA
Connectivity
I/O Connectors
Phoenix Style
Dimensions
Height
1.5"
Width
4"
Depth
2.5"
Weight
Unit Weight
6 oz. (0.165 kg)
Identifiers
Warranty Period
36 Months From Date Of Purchase

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