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 Articles
 
Eugene Karpov
The push-pull power amplifier. Get pdf version (In Russian)
  Eugene Karpov
Cinderella. The power SE amplifier with the 6S33S output tube.. Get pdf version
Adding to the article. Get pdf version (In Russian)
  Eugene Karpov
Cyclotron. The power amplifier with GU-50 output tubes. Get pdf version (In Russian)
  Eugene Karpov
The adjustable high voltage regulator. Get pdf version     Adding to the article. Get pdf version (In Russian)
  Eugene Karpov
The solid-state amplifier with tube sound. (In Russian)
  Eugene Karpov
The driver stage (In Russian)
  Eugene Karpov, Alex Naydenko
Horn. Part II (In Russian)
  Eugene Karpov, Alex Naydenko
Crossover (In Russian)
  Eugene Karpov
SOLAR-HEAT COLLECTOR (In Russian)
  Eugene Karpov
The stabilized power supply for tube amplifier
  Eugene Karpov
Simple SE end SSE amplifiers of the increased power
  Eugene Karpov
The Linear Amplifier
  Eugene Karpov
The chassis for tube device.
  Eugene Karpov
FAQ. Test sound path.
  Daniel H. Cheever
A new methodology for audio frequency power amplifier testing based on psychoacoustic data that better correlates with sound quality.
  Eugene Karpov
Mice and Cats (In Russian)
  Eugene Karpov, Alex Naydenko
The sketch about low frequencies. Part 1 (In Russian)
  Eugene Karpov, Alex Naydenko
Manufacturing of a horn for acoustic system. (In Russian)
  Eugene Karpov
The power supply with low ripple and noise. (In Russian)
  Eugene Karpov, Alex Naydenko
The capacitors for filters of acoustic systems (In Russian)
  Eugene Karpov
Spectra II.
  Nicholas Pryor
Improving The Cross-Coupled Inverter.
  Eugene Karpov
The Hibrid World. Part 2
  Eugene Karpov
The Hibrid World.
  Eugene Karpov
SSE - Symmetrical Single-Ended Stages.
  Eugene Karpov
Spectra.
  Eugene Karpov
The SE amplifier with a current source.
  Eugene Karpov
The simple high-voltage regulator.
  Menno Van Der Veen
New Push-Pull Tube Amplifiers
  Menno Van Der Veen
Theory and Practise of Wide Bandwidth Toroidal Output Transformers
  By D.T.N.Williamson and P.J.Walker
Amplifiers and Superlatives
  H.Stockman
Inherent feedback in triodes
  Eugene Karpov
Tube Selection (in Russian)
  Eugene Karpov
Power Supply for High-End Vacuum Tube Amplifiers (in Russian)
Summary (in English)
  Eugene Karpov
The mathematical models of electronic tube and how to use them
Part 1
  Eugene Karpov
The mathematical models of electronic tube and how to use them (in Russian)
Part 2
  H.Stockman
Inherent feedback in triodes
  Mithat F. Konar
Vacuum Tube Parameter Identification Using Computer Methods
  Norman L. Koren
Finding SPICE tube model parameters
  Norman L. Koren
Improved Vacuum Tube Models for SPICE Simulations