Martin Audio MA3.0 - V1.1 Guía de usuario Pagina 10
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1.6 Connecting Outputs
Warning: there are lethal voltages at the loudspeaker connectors when the amplifier is turned on. To
prevent any damages turn the amplifier off before connecting the loudspeaker.
Output connectors are made via Neutrik Speakon connectors. Consult the wire gauge chart to find a suitable
wire gauge to minimize power and damping factor losses in the speaker cables. The outputs can also work
in bridge mode. In normal stereo or linked mono mode, for each channel 1+ of the Speakon connector is the
positive output and the 1- pin of the Speakon should be treated as the negative output.
Note: Channel B is run out of phase internally, corrected by reversing the connections from the amplifier
output to the output connecter Channel A is run in phase. By having channel A and B operating in opposite
polarity, the energy storage in the power supply is more efficient. This is significant for signals below 100Hz
(sub bass etc.) and improves the power bandwidth.
Be sure to use balanced inputs on all measurement equipment (including oscilloscope probes) if you
are bench testing.
Note: in Bridge mode the link switch must be switched to “on”
and the gain controls of both channels must be set to the same level
- High Performance Amplifier 1
- User Guide 1
- Contents 2
- Warning notices 4
- Introduction 6
- 1.1 Unpacking 7
- 1.2 Mounting 7
- 1.3 Operating Precautions 8
- 1.4 AC Main connection 8
- 1.5 Connecting Inputs 9
- 1.6 Connecting Outputs 10
- 2 Setup and settings 11
- 3 Protection 13
- 4 User Maintenance 14
- 5 Warranty 15
- 7 Technical notes 16
- Martin Audio MA3.0 17
- 7.3 Specification 18
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