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Amp Books LLC

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Our Books

• Guitar Amplifier Preamps
• Guitar Amplifier Power Amps
• The Fender Bassman 5F6-A
• Georg Simon Ohm

Amplifier Calculators

• Preamps

  • Cathode Bypass Capacitor
  • Preamp Output Impedance
  • Coupling Capacitor
  • Bright Boost Capacitor
  • Grid Stopper Resistor
  • Plate Bypass Capacitor
  • Thermal Noise

• Mixers

  • Common Plate Load Mixer

• Phase Inverters

  • Long-Tailed-Pair Balance
  • Paraphase Inverter Values
  • Bass Response

• Power Amps

  • LTP Negative Feedback
  • Overdrive Bias Excursion

• System Design

  • Cathode Follower Output Impedance
  • LC Ripple Filters
  • RC Ripple Filters
  • Wire Resistance and Inductance
  • Wire Capacitance
  • Resistor Power Rating

• Tube-Specific Calculators

  • 12AX7/ECC83 Dual Triode
  • 12AU7 Dual Triode
  • 12AY7 Dual Triode
  • 12AT7/ECC81 Dual Triode
  • 6SN7/12SN7 Dual Triode
  • 5751 Dual Triode
  • 6386 Dual Triode

Electronics Tutorials

• Fundamentals

  • Electric Charge and Electric Current
  • Work, Voltage, and Power
  • Georg Simon Ohm's Law

• Circuit Analysis

  • Voltage Division
  • Current Division
  • Gustav Robert Kirchhoff's Voltage Law
  • Kirchhoff's Current Law

• Tube Amp Algebra

  • Imaginary Numbers
  • Complex Impedance
  • Gabriel Cramer's Rule
  • Pierre-Simon Laplace, etc.

• Pentode Preamp Design

  • Preliminary Considerations
  • DC Circuit Design
  • AC Circuit Design

Amp Technology

• Patented Circuits

  • Switchable Single-Ended / Push-Pull
  • Variable Harmonic Distortion

• Low-Power Techniques

  • EF86 Push-Pull Power Amp
  • 6L6 Phase Inverter
  • Battery-Powered Amps
  • Balanced, Symmetrical Distortion

• James Tone Stack

  • Circuit Analysis
  • Creating Your Own Design

• Vacuum Tube Technology

  • Ultralinear Guitar Amps
  • Leo Fender's Calculations
  • Pentode Voltage Gain
  • Vacuum Tube Technology Circa 1950

Classic Guitar Amp Circuits

• Fender Champ 5E1

  • Preamp
  • Power Amp
  • Negative Feedback
  • Power Supply

• Vox AC30

  • Top Boost Preamp
  • Voltage Amp & Cathode Follower
  • Power Amp

• Fender Bassman 5F6-A

  • Overview
  • Preamp
  • Voltage Amp & Cathode Follower
  • Power Amp
  • Class AB Power Supply Ripple

• Marshall JMP50 1987 "Plexi"

  • First-Stage Preamp Circuit
  • Second-Stage Voltage Amp
  • Grid Bias Supply
  • Push-Pull Power Amp

• Soldano SLO Preamp

  • First Stage
  • Second Stage
  • Third Stage
  • Fourth Stage
  • Fifth Stage
  • SLO - Lessons Learned

• Hiwatt CP103 Tone Stack

  • Circuit Analysis
  • Creating Your Own Design

• Fender Bassman Tone Stack

  • 5F6-A vs Marshall Plexi
  • Bass and Midrange Response
  • Treble Response
  • Plotted Curves
  • Creating Your Own Design

• Gretsch Chet Atkins Preamp

  • Tone Stack
  • Common Plate Load Mixer

• Power Amps

  • Gibson GA-5 Les Paul Junior
  • Marshall JCM800 50 Watt
  • Fender Deluxe 5E3