Zone Mixer Amplifier
Product Description:
The Beta Three® 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.
Key Features and Benefits:
  • 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 4ohm)
  • Monitor output 1W @ 8ohm optional
  • 24V DC interface
  • Protection for short circuit, over load, over heat
Front Panel:

Rear Panel:

Rated Power 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 20kΩ Balance, 10kΩ Unbalance
Output Connectors 8Ω/1W monitor, 4-16Ω constant
REC OUT/Impedance 1V/1kΩ
Power Supply 110V/220V 50/60Hz
Dimensions (W x D x H) 316mm (12.5”) x 250mm (9.9”) x 88mm (3.5”)
Net Weight (1 piece/pack) 15.6kg (34.3lb)
Gross Weight (1 piece/pack) 16.4kg (36.1lb)
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Relevant Download:
 User Manual
BA3240 Image