User manual

Table of Contents
Chapter One: Safety and Warranty
1.1 Safety Warnings
1.2 Warranty Information
Chapter Two: Using Your Herbert
2.1 Mains Connections, Power and Standby
2.1.1 Mains/connect to power outlet
2.1.2 Power up, Warm up, Standby off
2.1.3 Power tube caution
2.1.4 Operating Temperature
2.1.5 Power Tube Information
Chapter Three: Peripheral Connections
3.1 Front Panel Connections
3.1.1 Signal In
3.1.2 Connection Information
3.1.3 Cable Selection
3.2 Rear Panel Connections
3.2.1 Send/Return Loop
3.2.2 Parallel and Serial Return
3.2.3 Switch-able Loop as additional Volume Control
3.2.4 Switch-able Loop for external Pre-Amp
3.2.5 Switch-able Loop as switch for parallel Loop
3.2.6 Tuner Out
3.2.7 Compensated Out
3.2.8 Speaker Connections
3.2.9 Reasons for Dynamic Losses in the Effects Loop
3.3 MIDI Connections
3.3.1 MIDI In
3.3.2 MIDI Thru
Chapter Four: The Three Pre-Amplifiers
4.1 Pre-Amplifier Duties
4.1.1 Channel One
4.1.2 Channel Two
4.1.3 Channel Three
4.2 Pre-Amplifier Tubes
4.3 Noise and Microphonics