Guitar Amplifier Electronics Fender Deluxe book

Guitar Amplifier Electronics: Fender Deluxe

Richard Kuehnel

Many would say the Fender Deluxe design reaches its peak with the narrow-panel 5E3, becoming the ultimate tone machine for public performance and recording. The 5E3 is also the most cloned guitar amp of all time. Fender Deluxe 5E3 It has an elegantly straightforward signal chain that maximizes tone and minimizes parts count, making it a favorite for kit makers and kit builders alike. In fact, there is perhaps only one other amp design that can compete with the 5E3 in terms of popularity, particularly among working musicians. Fender Deluxe Reverb Ironically, it also carries the name "Deluxe" - the blackface AB763 Deluxe Reverb. This book examines both electronic circuits in great depth. The wide panel 5D3 and the brownface 6G3 are also fully explored,

Fender wide-panel Deluxe Fender brownface Deluxe

because they represent major milestones in the evolutionary development of these iconic amps. Fender Model 26 Deluxe From "woody" to blackface, the book explains how these amps work, the motivation behind their system designs, and the performance of their electronics in the context of a real musical performance.

Richard Kuehnel is a member of the Circuits and Systems Society of the Institute of Electrical and Electronic Engineers.

Guitar Amplifier Electronics Fender Deluxe book excerpt
Guitar Amplifier Electronics Fender Deluxe book excerpt
  Guitar Amplifier Electronics Basic Theory book Fundamentals of Guitar Amplifier System Design book Guitar Amplifier Electronics Circuit Simulation book Guitar Amplifier Electronics Fender Deluxe book Guitar Amplifier Electronics Fender Bassman book Guitar Amplifier Electronics Soldano SLO book
Mastering Basic Electronics          
Preamps and Tone Stacks
Power Amps and Negative Feedback
Power Supplies
DC-Coupled Cathode Followers    
Effects Loops        
Reverb and Tremolo          
  Guitar Amplifier Electronics Basic Theory book Fundamentals of Guitar Amplifier System Design book Guitar Amplifier Electronics Circuit Simulation book Guitar Amplifier Electronics Fender Deluxe book Guitar Amplifier Electronics Fender Bassman book Guitar Amplifier Electronics Soldano SLO book
Crafting a Complete Architecture          
Testing Overdrive Dynamics          
Measuring Distortion    

Introduction

Warning: High Voltage!...1
Deluxe versus Deluxe...1
Evolutionary Development...2
Acknowledgements...4

Chapter 1: Heritage - The Woody and Early Tweeds

Model 26 Woody...5
System Design Concept...7
6V6 Power Amp...8
5Y3 Power Supply...9
6N7 Paraphase Phase Inverter...10
Volume Controls...13
6SC7 Preamp...18
Audio Signal Levels...20
Model 5A3 TV Front...21
System Design Concept...21
Power Amp and Power Supply Adjustments...24
A New Phase Inverter Tube...25
Integrating Volume and Tone Controls...26
Introducing Grid-Leak Bias...28
Audio Signal Levels...31
Model 5B3 Wide Panel...32
Model 5C3 Wide Panel...35
System Design Concept...37
Preamp Tweaks...38
Negative Feedback...38

Chapter 2: Legacy - The Wide Panel Deluxe 5D3

System Design Concept...40
Power Amp Performance...43
Power Supply Ripple...44
Introducing a Self-Balancing Paraphase Phase Inverter...45
Volume and Tone Control Insertion Loss...50
A New Preamp Design...50
System Profile...56
System Voicing...58
Evolutionary Development Continues...58

Chapter 3: Pinnacle - The Narrow Panel Deluxe 5E3

System Design Concept...60
Coaxing More Power from the Power Amp...63
Power Amp Performance...65
Power Supply Ripple...67
A New Voltage Amplifier and Split-Load Phase Inverter...68
Voltage Amplifier Performance...69
Phase Inverter Performance...70
Volume and Tone Control Interactivity...73
Preamp Adjustments...76
Substituting a 12AX7 for the 12AY7...77
A New, Iconic Front End...80
System Profile...81
System Voicing...83
Full Power Performance - Class A Operation?...84
Harmonic Distortion at Full Power...87
Intermodulation Distortion (IMD)...91
Overdrive Dynamics...93
No Feedback, Maximum Grunge...93
Phase Inverter Effects...94
Bias Excursion and Power Supply Sag...98
A Pinnacle and a Pivot...101

Chapter 4: Enhancement - The Brownface Deluxe 6G3

System Design Concept...102
Coaxing Even More Power from the Power Amp...105
Power Amp Performance...105
Power Supply Modifications...109
Adding a DC Bias Supply...111
Introducing the Long-Tailed-Pair Phase Inverter...112
Introducing Negative Feedback...118
How Negative Feedback Reduces Distortion...120
Feedback Calculations for the 6G3...121
An Additional Voltage Amplification Stage...124
More Aggressive Volume and Tone Controls...127
Increasing First-Stage Gain...128
Introducing Tremolo...134
System Profile...138
System Voicing...141
Full Power Performance...141
Bias Excursion and Power Supply Sag...144

Chapter 5: Perfection - The Blackface Deluxe Reverb

AA763 System Design Concept...146
Coaxing Even More Power from the Power Amp...148
Screen Voltage Swing at Full Power...152
Power Supply Modifications...154
Introducing Signal-Modulation Tremolo...155
Modifying the LTP Phase Inverter...159
Increasing Negative Feedback...162
Second-Stage Voltage Amplifiers...165
First Stage, Tone Stack, and Volume Control...167
System Profile...170
System Voicing...173
Full Power Performance...174
Bias Excursion and Power Supply Sag...176
Modifications Incorporated into the AB763...177
Tweaking the Tremolo, Power Amp, and Phase Inverter...178
Tweaking the Tone Stack...180
Reverb Design Concept...181
Reverb Recovery and Mixer Amplifiers...185
Reverb Tank...189
Reverb Output Transformer...191
Parallel 12AT7 Reverb Driver...192
Some Final Words on the AB763 Fender Deluxe Reverb...195

Appendix

Decibel-Volts (dBV)...197
AB763 Supply Voltage Calculations...197

Index...199


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