Appendix a: service information, Repair, Troubleshooting – MACKIE 2-Way High-Definition Powered Loudspeaker HD1221 User Manual

Page 14: Hd1221, Poor sound, Noise, No power, No sound, Poor bass performance

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Appendix a: service information, Repair, Troubleshooting | Hd1221, Poor sound, Noise, No power, No sound, Poor bass performance | MACKIE 2-Way High-Definition Powered Loudspeaker HD1221 User Manual | Page 14 / 20