Sunfire Classic Vacuum Tube Preamplifier 24

Manual Part number : 913-012-00 Rev C

Contents

Page Safety Instructions 2Safety Instructions Contents Safety Instructions and Table of Contents Introduction Unpacking Features 4Introduction Overview Overview Front Panel Features 1. Power Switch 2. On lamp 3. Mute lamp 4. Remote window 7. Contour On/Off 8. Input Program Selector 9. Volume Control 10. Balance Control 11. Contour Controls Rear Panel Features 1. AC Line Cord 2. Fuse 3. Accessory outlets 4. Balanced outputs 6. Tape output 7. Tape input 8. Aux input 9. Video input 10. CD input Installation AC Power Considerations Care Connection Tips 10Installation The Phono stage Ground connection Moving Magnet phono input Moving Coil phono input The Phono stage Infrasonic Filter Precision Inverse RIAA Network 12The Phono stage System Configurations Phono Connections System Configurations CD player Connections 14System Configurations Tape Deck Connections Amplifier Connections: unbalanced RCA 16System Configurations Amplifier Connections: balanced XLR Specifications Phono Inputs High-LevelInputs Power Consumption Finish Troubleshooting No sound No sound (the power is on) No sound (phono) No sound in one channel Loud howl, squeal, or whistle Solo voices, or instruments sound thin, shrill or distorted Hum 20Troubleshooting Radio Frequency Interference Appendix Changing the phono stage gain Changing the input impedance of the phono stage Tube type and location 22Appendix Limited Warranty Service Assistance Limited Warranty