The invisible relationship between sound and electricity is explained through circuit diagrams!
A thorough explanation from Japan's leading engineers.
Effects pedals and amplifiers are essential for playing guitar and bass. Even those who master a wide range of equipment may not actually know what goes on inside them. In this book, the author, who has created numerous pieces of equipment as a representative of "FREE THE TONE," explains the mechanisms of effects pedals and amplifiers in a way that is easy to understand, even for those with no electrical knowledge. Learn how the combination of various components—resistors, capacitors, transistors, operational amplifiers, vacuum tubes, and more—converts sound into electricity, and then transforms electricity into sound. Recommended for guitarists and bassists who want to become more familiar with electricity. It's also a valuable guide to analog circuits that handle sound, making it an ideal introduction for those interested in analog circuit design.
■Chapter 1: Basic Knowledge for Reading Circuit Diagrams
1-1 Electric Guitar and Bass Signals
1-2 Electrical Units
1-3 Recommendations for Reading Circuit Diagram Abbreviations 1 - Circuit Symbols
1-4 Recommendations for Reading Circuit Diagram Abbreviations 2 - Confirming the Procedure
1-5 Example of Abbreviations 1
1-6 Example of Abbreviations 2
1-7 Example of Abbreviations 3
■Chapter 2: Circuits Used in Effects Pedals and Amplifiers
2-1 Op-Amp Amplification Circuits
2-2 Non-Inverting Amplification Circuits
2-3 Inverting Amplification Circuits
2-4 Attenuation Circuits and Variable Resistors
2-5 Equalizer Circuits
2-6 Clipping Circuits
2-7 Buffer Circuits
2-8 Power Supply Circuits
2-9 Single and Dual Power Supplies
2-10 Bias
2-11 Vacuum Tube Operation - Triodes and Pentodes
■Chapter 3: Example of an Effects Pedal Circuit
3-1 Overview of a Distortion Effector Circuit
3-2 Effector Circuit Block Diagram: 1. Footswitch Circuit
3-3 Effector Circuit Block Diagram: 2. Power Supply Circuit
3-4 Effector Circuit Block Diagram: 3. Input Buffer Circuit
3-5 Effector Circuit Block Diagram: 4. Clipping Circuit
3-6 Effector Circuit Block Diagram: 5. Equalizer Circuit
3-7 Effector Circuit Block Diagram: 6. Volume Control Circuit
3-8 Effector Circuit Block Diagram: 7. Output Driver Circuit
3-9 Effector Circuit Block Diagram: 8. LED Lighting Circuit
Chapter 4: Guitar Amplifier Circuit Examples
4-1 Amplifier Operation
4-2 Overview of a Tube Amplifier Circuit
4-3 Amplifier Circuit Block Diagram: 1. Input Circuit (First Stage)
4-4 Amplifier Circuit Block Diagram: 2. Volume Control Circuit
4-5 Amplifier Circuit Block Diagram: 3. Preamp Section
4-6 Amplifier Circuit Block Diagram: 4. Equalizer Circuit
4-7 Amplifier Circuit Block Diagram 5: Phase Inversion Circuit
4-8 Amplifier Circuit Block Diagram 6: Power Amplifier Section
4-9 Amplifier Circuit Block Diagram 7: Power Supply Section (Part 1)
4-10 Amplifier Circuit Block Diagram 8: Power Supply Section (Part 2)
4-11 Amplifier Circuit Block Diagram 9: Presence Circuit
Chapter 5: Basic Electrical Knowledge
5-1 AC and DC
5-2 The Relationship Between Magnetic Fields, Current, and Force
5-3 The Relationship Between Frequency and Wavelength, and Velocity
5-4 Ohm's Law
5-5 How to Calculate Power
5-6 How to Calculate Decibels
5-7 How to Calculate the Filter Cutoff Frequency
5-8 RMS Value
5-9 How to Measure Amplifier Output
5-10 How to Measure the Current Consumption and Power Consumption of an Effects Pedal
5-11 How to Measure Input/Output Impedance
5-12 Output Transformers and Speakers
5-13 Components: Resistors, Capacitors, and Coils