MI Amplification Owner’s Manual 1 1. Welcome ....................................................................................................................................... 4 2. Precautions................................................................................................................................... 5 3. Amp Overview .............................................................................................................................. 6 3.1. Preamp.............................................................................................................................................. 6 3.2. Power Amp ....................................................................................................................................... 6 3.3. FX Loops .......................................................................................................................................... 7 3.4. Operating Modes ............................................................................................................................. 7 4. Getting Started ............................................................................................................................. 8 5. The Channels ............................................................................................................................... 9 5.1. Introduction ..................................................................................................................................... 9 5.2. Channel 1 .......................................................................................................................................... 9 Overview .................................................................................................................................................................... 9 Channel 1: Low Gain ............................................................................................................................................... 10 Channel 1: Mid Gain ................................................................................................................................................ 10 Channel 1: High Gain .............................................................................................................................................. 10 5.3. Channel 2 ........................................................................................................................................ 10 Overview .................................................................................................................................................................. 10 Channel 2: Low Gain ............................................................................................................................................... 10 Channel 2: Mid Gain ................................................................................................................................................ 11 Channel 2: High Gain .............................................................................................................................................. 11 5.4. Channel 3 ........................................................................................................................................ 11 Overview .................................................................................................................................................................. 11 Channel 3: Low Gain ............................................................................................................................................... 11 Channel 3: Mid Gain ................................................................................................................................................ 12 Channel 3: High Gain .............................................................................................................................................. 12 5.5. Channel 4 ........................................................................................................................................ 12 Overview .................................................................................................................................................................. 12 Channel 4: Low Gain ............................................................................................................................................... 12 Channel 4: Mid Gain ................................................................................................................................................ 13 Channel 4: High Gain .............................................................................................................................................. 13 6. Other Preamp/FX Features ....................................................................................................... 14 6.1. Gain Trim ....................................................................................................................................... 14 6.2. Dual Master Volumes .................................................................................................................... 14 6.3. FX Loops ........................................................................................................................................ 15 Standard Loops ........................................................................................................................................................ 15 Pro Loops (Optional) ............................................................................................................................................... 16 To assign and activate an FX Loop (Standard or Pro) ............................................................................................. 17 To connect an external preamp into the power amp of the Revelation .................................................................... 17 7. Power Amp ................................................................................................................................. 18 7.1. Introduction ................................................................................................................................... 18 7.2. Presence, Depth and Feedback Level (F.B) ................................................................................. 18 7.3. Output Power ................................................................................................................................. 19 2 7.4. Screen Config. ................................................................................................................................ 21 7.5. Bias Config. (optional) ................................................................................................................... 21 7.6. Power Tubes ................................................................................................................................... 21 7.7. Discussion about Large Size Tubes .............................................................................................. 23 KT88 ........................................................................................................................................................................ 23 KT90 ........................................................................................................................................................................ 23 KT100 ...................................................................................................................................................................... 23 6550-A ..................................................................................................................................................................... 23 7.8. Discussion about Medium Size Tubes .......................................................................................... 23 6550 ......................................................................................................................................................................... 23 EL34......................................................................................................................................................................... 24 6L6GC ..................................................................................................................................................................... 24 6CA7 ........................................................................................................................................................................ 24 KT77 ........................................................................................................................................................................ 24 KT66 ........................................................................................................................................................................ 24 5881WXT ................................................................................................................................................................ 25 7.9. Discussion about Small Size Tubes .............................................................................................. 25 KT66 .......................................................................................................................................................................