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Beta 3®

Beta 3® BA3240 240W 6 Zone Mixer Amplifier

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  • $499

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The Beta 3® BA3240 240W zone mixer amplifier is designed and engineered to suit public address installations where continuous high power is required. This versatile 6 zone mixer amplifier can be used in a wide variety of public address applications.


  • 6x zone selector buttons on the front panel
  • Inputs 1-4 balanced microphone with 24V phantom power or line level
  • Front panel volume controls for each channel
  • Front panel treble and bass control
  • Front panel master volume control
  • LED 7 segment signal level indicator
  • Input 1 is priority mute channel, control all other channels
  • Rated voltage outputs on screw terminals – 25V, 50V, 75V, 100V, 120v (rated impedance output 4Ω)
  • 24V DC interface
  • Amplifier protection includes short circuit, excessive temperature, and DC on outputs
  • Protection for short circuit, overload, and overheat

Rated Power (Stereo 8 Ω): 240W (RMS)

THD: <0.5% @ 1kHz 24W

S/N Ratio (A Weight): >70dB (mic), > 80dB (circuit)

Frequency Response (+0/-0.25dB): 50Hz-16kHz

Mic input setting of channel INPUT 1- INPUT 4: 10mV/1kΩ (balanced)

Line input setting of channel INPUT 1- INPUT 4: 200mV/30kΩ (balanced)

Tone Control: >6dB @ 10kHz HF, >6dB @ 100Hz LF

Channel 5 Input: 200mV/50kΩ (unbalanced)

Input Impedance: Balanced 20kΩ, Unbalanced 10kΩ

Output Connectors: 8Ω/1W monitor, 4-16Ω constant

REC OUT/Impedance: 1V/1kΩ

Net Dimensions: 12.5″ x 9.9″ x 3.5″

Net Weight: 25.9 lbs.

Gross Dimensions: 20″ x 13″ x 7″

Gross Weight: 28 lbs