Next-Tube. Articles about vacuum tubes audio and hybrid amplifiers.

	Eugene Karpov LDO Power Regulator. (In Russian) translate
	Eugene Karpov Ultralinear mode of Pentode in the pre-amplifier stage. (In Russian) translate Part 2. (In Russian) translate
	Eugene Karpov Hybrid amplifier. (In Russian) translate
	Eugene Karpov Hybrid RIAA equalizer for the MM cartridge. (In Russian) translate
	Eugene Karpov Equalized single-end output stage.. (In Russian) translate Part 2. (In Russian) translate
	Eugene Karpov Improved SE driver.. (In Russian) translate
	Eugene Karpov Analogue ultralinear mode in the output stage.. (In Russian) translate
	Eugene Karpov A powerful driver. Tube driver with a high output voltage.. (In Russian) translate
	Eugene Karpov Simple vacuum tube equalizer. Crystal start. (In Russian) translate
	Manley Shrimp modification Epilogue. (In Russian)
	Eugene Karpov Parameters of soviet electrical steel.
	Manley 50 Watt Mono - improvement. Part 1. Part 2.. (In Russian)
	Eugene Karpov Vacuum tube equalizer Cristal Light. (In Russian)
	Eugene Karpov Electronic choke. (In Russian) translate
	Eugene Karpov A high accuracy inverse eRIAA filter.
	Eugene Karpov Vacuum tube equalizer Cristal Part 1.. Part 2.. (In Russian)
	Eugene Karpov Tube noise (Experimental data). (In Russian)
	Eugene Karpov HAM LINE REDUCE. (In Russian)
	Eugene Karpov Princess. The high power SE amplifier. Part 1. Part 2. Adding to the article (In Russian)