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SRPP Decoded, Design Idea: A Safe Loftin-White Amplifier |
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Hybrid Voltage Regulator, RIAA EQ as Crossover, (L+R) & (L-R) |
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Solid-State and High Voltage, Solid-State as AC Circuit Support |
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Ultra-Linear Output Stages: Line Stage Amplifier, The Ultra-Linear Cascode, OTL Power Amplifiers, Headphone Amp, Differential Input HP Amplifier, Extracting Extra PS voltages, Heater Concerns, The Feedbackloop |
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Electrostatic Headphone Tube Amplifiers (part 2) Design Idea: Polarized Wires |
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Electrostatic headphones Amplifiers (part 1), Book Review: Audio Reality |
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Cathode Follower, White CF, Plate Follower, Broskie CF, Circular CF, Tube Microphone Preamplifier |
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Circular Amplifier: Class A?, Vacuum Tube Plate Curves, Simplest Tube Amplifier Possible |
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Circular/Bridge/Balanced amplifier , Tube Voltage Regulators (part 4), Design Idea for SE Amplifiers |
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Push-Pull Amplifiers (part 2), Tube Voltage Regulators (part 3), Balanced Phono Stage, Tube Shunt Regulators |
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Push-Pull Amplifiers, Tube Voltage Regulators (part 2), Balanced Line Stage, Unbalancing Acts: From Balanced to Single-ended |
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Lowering the SE Amp's Noise (part 2), Tube Voltage Regulators, Design Idea: Para-Feed Dynaco ST-70 |
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Lowering the SE Amp's Output Noise, Balancing Acts (part 2), Design Idea: Single-ended Transformer Testing |
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Improving the Cascode's PSRR, Unbalanced to Balanced , Variable Feedback amplifiers |
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Voltage References, SRPP Once Again , Correction to May's SRPP Article, Design Idea: Constant Power Amplifier |
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Heater Concerns: Free DC Power Supply , Free Transformers, Current Regulation, Using a 6SN7, 8SN7, or 12SN7 Directly Heated Filaments, Voltage regulators for the 2A3, Voltage Regulator for the 300B, Under-voltage Heaters |
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High Frequency Anomalies in Output Transformer Tests, Safer Tube Amplifiers, Lots of heater e-mail |
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Circlotron Relativity: Horizontal SRPP, Horizontal White cathode follower, SE Criclotron, What Are Maximum Ratings?, Lots of e-mail |
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Inverted Tube Shunt Regulators, Portable Tube Headphone Amplifier Design PDF |
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Partial Feedback Amplifiers (300B design example), Portable Tube Headphone Amplifier Design Part 2, Tube/MOSFET hybrid amplifier PDF version |
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Tube Hybrid Amplifiers, Tube Mixers, E-mail includes Tube Line Stage, Tube Headphone Amplifiers, Hybrid Amplifiers, Small Tube OTL amplifiers, RIAA EQ, “UltraPath” PDF |
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• Recent articles: "Grounded Cathode Amplifier" (19 Jan 2003) HTML version PDF version "RIAA Preamps Part 2" 30 Nov 2002 HTML version PDF version "RIAA Preamps Part 1" 12 June 2002 HTML version PDF version "SRPP Deconstructed" 27 May 2002 HTML version PDF version "Mixed-Class & Mixed-Topology Amplifiers" 29 March 2002 HTML version PDF version "Power Buffers" 5 February 2002 HTML version PDF version "Missing Sonic Controls" 9 January 2002 HTML version PDF version
• Late 2001: "Complementry Inverse Distortion Cancellation" 19 November 2001 HTML version PDF version "Accordion Amplifier: A new single-ended amplifier" 17 October 2001 HTML version PDF version "Active Crossovers and Filters" 1 October 2001 HTML version PDF version "Tube-Based Crossovers" 1 October 2001 HTML version PDF version “300B as Regulator” 9 September 2001 HTML version PDF version “Output Stage PSRR Enhancement” 26 August 2001 HTML version PDF version
• Old email responses: Email from the summer of 2001 30 August 2001 HTML version PDF version |
