Radio Design Labs ST-MX3 3 Channel Audio Mixer - Line Input and Output

Power Supply
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3 Channel Audio Mixer - Line Input and Output

The ST-MX3 is a line-level mixer module in the STICK-ON Series of products. It provides audio mixing of three line-level inputs with individual input gain adjustments. The line-level output is capable of driving either high or low impedance, balanced or unbalanced loads.

The ST-MX3 operates from floating or bipolar dc power.

For installations with microphone level inputs, use the ST-UMX3 Universal Audio Mixer.
  • Mix Line-Level Signals
  • Three Individually Adjustable Inputs
  • Add Additional Line Level Inputs to an Existing Mixer
  • Combine Signals of Different Level, Impedance or Balanced /Unbalanced Configuration
  • Isolation Between Input Signals
  • Low-Noise and Low-Distortion Performance
  • RDL SupplyFlex Power Input Configuration
  • Inputs (3): 30 kΩ balanced or unbalanced bridging
  • Input Level: -20 dBu to +18 dBu (for +4 dBu output)
  • -24 dBu to +14 dBu (for 0 dBu output)
  • Output: 400 Ω to drive low or high impedance balanced or unbalanced lines
  • Output Level: +4 dBu nominal, (adjustable; unbalanced output 6 dB below balanced line level)
  • THD+N: < 0.03% (10 Hz to 20 kHz)
  • Frequency Response: 10 Hz to 20 kHz (+/- 0.5 dB)
  • Noise : < -80 dB (all inputs @ 10 dB gain, referenced to +4 dBu)
  • Headroom: 18 dB
  • Gain (each input): -14 dB to +24 dB (adjustable)
  • CMRR: > 50 dB (50 to 120 Hz)
  • Power Requirement: GROUND-REFERENCED or FLOATING, 24 Vdc @ 55 mA
  • Ambient Operating Environment: 0 C to 55 C
Brand Radio Design Labs
Model ST-MX3
MFR Part Number ST-MX3
UPC 813721011015
Product Category Install & Contracting Mixers
Unit of Measure EACH
Shipping Weight 0.17 lbs.
Page Views 12168
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