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The AtlasIED TSD-MIX31RL is a compact, professional-grade 3x1 mic/line mixer engineered for high-performance audio applications such as paging systems, background music (BGM) control, and commercial installations. Designed for flexibility and reliability, this mixer combines two balanced mic/line inputs and one unbalanced stereo summing RCA input, making it ideal for combining microphones and line-level sources.
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Each mic input features switchable 24V phantom power to accommodate condenser microphones, along with high-quality, low-noise preamps that ensure clear, accurate sound reproduction without coloration. A 12dB/octave high-pass filter at 125Hz minimizes low-frequency rumble and feedback, keeping your audio clean and intelligible.
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The TSD-MIX31RL also supports priority paging via contact closure or VOX trigger on Input 1 (which mutes Input 3), allowing clear communication during announcements. For added convenience, the unit includes a remote level control function compatible with the AtlasIED AAVC-10K wall plate, enabling adjustment of the overall mix or Input 3 volume from a remote location.
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To protect connected equipment, a variable output limiter prevents clipping and distortion — ideal when mixing multiple mics or varying source levels. With its high-gain output, removable Phoenix connectors, and energy-efficient design, the TSD-MIX31RL delivers professional performance in a compact form factor.
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This unit requires a TSD power supply (sold separately) and consumes 60mA of current. For systems with multiple TSD devices, use the TSD Power Calculator to determine the correct power supply size.
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AtlasIED TSD-MIX31RL Key Features:
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Two (2) Balanced Mic/Line Inputs with high-gain (50dB) mic preamps
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One (1) Unbalanced Summing Dual RCA Line Input
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Switchable 24V Phantom Power for condenser mics
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Priority Paging (VOX or Contact Closure) – mutes Input 3
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Variable Output Limiter for distortion-free mixing
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Remote Level Control via AAVC-10K wall plate
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12dB/Octave Low-Cut Filter @ 125Hz
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Signal & Peak Indicator LEDs for each channel
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High-Gain Balanced Output for long cable runs
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Separate Ground Connections
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Removable Phoenix-Style Connectors
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Security Covers for front-panel controls
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Energy-Efficient Design
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Power Supply Sold Separately
