MMA 3060 - MMA 3120 - MMA 3240 Power unit
Integrated mixer amplifier, 3 wattages available
• 2 balanced MIC inputs and 2 MIC/LINE inputs, both for dynamic and electret/condenser (Phantom power) microphones, with separate control levels on the front panel
• 2 Auxiliary inputs with level control and switch on the front panel
• Preamplifier output for recorders, sound processors and/or cascade connection of other amplifiers
• Three zones selectable or all-call through front switches
• High/Low frequencies and main volume control
• LED with dB output measurement
• Signal of the selected music source available as MOH, “Music on Hold”, 1W/8 ohm output for monitor loudspeaker or for other instruments, such as telephone switchboards
• 2-tone DING-DONG chime with on/off button and volume control
• Electronically balanced input and output lines, male/female connectors allowing the cascade connection of several units
• Input dedicated to the connection of a private telephone switchboard to transmit high-priority messages/ emergency signals
• Priority function with external contact; Output for the selected zone
• Switch for 115V/230V voltage selection; External DC 24V power supply
• Cooling fan with automatic adjustment according to the temperature of the heat sink
• Protection of the output stage and transformer for constant voltage lines