Title Author
Low-frequency amplifiers - Mains hum and loss of amplifier stability R.M. Malinin
Amateur electroacoustic amplifiers - 15W Hi-Fi amplifier Aleksander Witort
Amateur electroacoustic amplifiers - Universal amplifier with a power of 2x4W Aleksander Witort
Amateur electroacoustic amplifiers - Amplifier for beginners Aleksander Witort
Amateur electroacoustic amplifiers - output transformers Aleksander Witort
Transformers and chokes - the principle of operation of transformers Mieczysław Flisak
About boiling capacitors, or restoring the factory condition of tube radios Pilnie Poszukiwany
Output transformers (С.Н. КРИЗЕ) С.Н. КРИЗЕ
RA360ST DC Power Amplifier (Antena 1934/11) Renat Terlecki
Tube acoustic amplifier 20-35W (RiK 1974/09) A.W.

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