Martin Audio MA4.2s User Manual

Martin Audio – MA4.2s (ETL) Amplifier
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10 MAINTENANCE
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

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
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10.1 Troubleshooting

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Martin Audio MA4.2s Specifications

Power Output

max output power at 8 ohms per channel	1300 W
max output power at 4 ohms per channel	2300 W
max output power at 2 ohms per channel	2900 W
max output power at 8 ohms bridged	4600 W
max output power at 4 ohms bridged	5800 W

Voltage

max output voltage at 8 ohms load	102 Vrms
peak voltage, no load	145 V
operation voltage	130-270 V
full output power	180-260 V
min start voltage	175 V

Current

peak inrush current	5 A
quiescent power no load	0.6 A rms
1/8 of full power at 4 ohms/230V	6 A rms
1/3 of full power at 4 ohms/230V	14 A rms
at full power at 4 ohms/230V	26 A rms

Weight and Dimensions

width	483 mm
height	88 mm
depth	393 mm
weight	10 kg