DIY tube amplifier. This video consists of four parts: 1st part: Introduction from 0 sec 2nd part: Editing from 9.39 sec 3rd part: Wiring the amplifier from 41.43 sec 4th part: Tuning from 1.11.15 sec Конструктор лампового усилителя (Kit) George Ohm Audio МХ-34М