Variants on 12ax7 Common-Plate transfer Specs. Differential Triode Circuits.
Differential-to-Single-Ended Circuit Conversion. Fender Power Supply Circuits. Audio Circuits as Power Supply Loads.
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Rectifier Turn-On characteristics. Fender Push-Pull Output Stages. Fender Vibrato Circuits. Bandwidth and Fidelity. Interstage resistance: Tweed and Blackface Designs. Shadowing: Dielectric Adsorption in Signal Caps. Wiring Parasitics. Class-AB Biasing. Making the Notch Go Away. Fender Amp Mods. Silverface Filament and Bias Circuits. Late 60s and Later Silverface Bias Circuits.
Improved Fender Biased Circuit. Alternative Bias Circuit Sourcing. Lead Dress for Improved Hum Cancellation. Tonal and Dynamic Enhancement Mods. Silverface Power Supply Enhancements. Silverface Signal Path Enhancements. Balance of Overall Overdrive Characteristics. Hot Blackface-style 6L6 Pentode Ratios.
Extreme Single-Channel Blackface Performance. British Super Tweed Reverb. Deluxe Reverb: The Stranglehold Variation. Low-End bandwidth Extension. Power Supply Revamp.
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Sampo Kolkki Reverb Re-route. Marshall Amp Mods. Marshall Circuits Overview. Bridgeable Volume Control. Master Volume Control. Marshall power Supply and Filter Distribution Network. Marshall Circuit Mods. Hot-Rodding and Restoration Mods. Dual-Mode Marshall Switching Circuit.
Adapting the switching circuit to JCMs. Traynor Amplifiers - The Bassmaster. Speaker Cab Considerations. Vacuum Tube Modeling for Pspice Simulation.
Dan Torres. Torres' official page for the book.
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All-new articles. New technology, and entirely new information with coherent chapters planned and written for easy understanding. Well-written and illustrated. The chapter on amp construction explains tube theory, capacitors, and special effects. News item for variable-SPL cranked-amp tone. Everyone will be able to run their existing conventional tube amp with something like a variac inside the power supply and power amp stage, to obtain power-tube saturation at the coveted 10 mW "TV" listening level.
Or you can design an amp to use any power tube at any power level from a few milliwatts to the full rated power of the tube, by studying the forthcoming book about power scaling. What I especially look forward to is a full-featured amp head directly driving a 2x12 cab, able to produce pure power-tube saturation at any level from watts, as London Power now offers.
You could possibly even do a closed-back combo with just a little ventilation. Kevin O'Connor. Power Press Publishing. Designing tube power amplifiers for audio use; traditional graphic approaches are synthesized into a few simple equations that allow the direct use of tabled tube data.
Vacuum tube operation and circuit principles. Class A, Class B, cathode-bias and fixed-bias. Push-pull and single-ended designs. Front-end circuits. Differential, concertina, paraphase and transformer drivers and splitters, along with long-lost methods. Circuit adjustments for linearizing audio reproduction amplifiers and for maximizing power output for musical instrument use. Includes complete designs, incorporating off-the-shelf transformers and current-production vacuum tubes.
Power outputs from 15 watts to over watts, using pentodes and true triodes. Conservative designs allow reliable use of lower quality or "non-optimal" tubes. Complete design method for any output power level; circuits are included up to W. Toroidal output transformers and special precautions. DC balancing and transformer protection.
Power supply design, from traditional filtering to new-technology regulation methods. Impact of power supply on audio signal, selection of capacitors. Tube data for common types. New ultra-wide-bandwidth audio output transformers from Plitron Mfg. Hammond transformer data for tube use. London Power official book page. STF Electronics. Clearly explains, in text only, the circuitry behind simulclass, sag control, power scaling, speaker emulators, tube fat, amps that sing, amps with multiple voices, amping response, and tube simulation.
Patents, how patents work, the value of various patents, who holds them, what they cover and what they don't -- 48 patents. London Power Press.
Navy Electricity and Electronics Training Series (NEETS) Module 8 - RF Cafe
Donald Brosnac. Paperback Reprint edition February The chapter on amp construction in particular explains tube theory, capacitors and special effects. John Boehlein.
- Construction Topics.
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- Books about Guitar Amps.
- Bringing Down the House: How Young Men Who Mess Up Their Lives Can Make a Comeback;
Marshall history, overdriving Marshalls and retubing amplifiers. By Aspen Pittman of Groove Tubes. History of several major amp companies. Tube specs, troubleshooting, common mods master volume, power tube changes, capacitor changes. Several hundred pages of schematics for amps. Mostly older amps. Groove Tubes Slymar , CA. This volume is about guitar amplifier modifications. Sonic perceptions and stage setups, to demonstrate how optimal sound can be obtained from existing equipment. Survey of amp brands with regard to ease of modification and servicing. Basic vacuum tube operation.
Power supply principles. Preamp circuits and master volumes, along with guitar sustain and interactions, for clean and distorted tones. Power amplifiers and power tubes, choice of tubes, relative reliabilities of tube types, tube matching, sonic impact of each tube type. Improving reliability.
Related Introduction to Amplifiers (Navy Electricity and Electronics Series Book 8)
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