Sunfire MK IV 20

Manual part number 913-016-00 Rev D

Contents

Page Safety Instructions Safety Instructions Introduction Features Unpacking Care Introduction Unpacking Features Care Overview The Woofer The Amplifier Control Panel Features 1. Power/Auto on Indicator 2. Volume Control 3. Crossover Frequency 4. Phase Control 6. High Level Inputs 7. Line Level Inputs 8. High Pass Outputs 9. Line Fuse 10. Power Cord Installation Heat rise AC Power Considerations Magnetic Fields Connections Speaker Level connections Location Using Two Subwoofers System Configurations Connections to a preamplifier’s subwoofer output Connections to a preamplifier using Y cables Using the line level high-passoutputs Using the speaker level inputs Adjusting the controls Control settings Specifications Amplifier Output High Cut Filter Frequency Response Power Line Voltage Troubleshooting Not enough bass Not enough bass in a 5.1 system Hum The subwoofer won’t turn off The subwoofer won’t turn on Audible snap from outlet Limited Warranty Service Assistance