20W Power Tube Amplifier with EL34

The following diagram is the circuit diagram of 20W power amplifier which build based tube component EL34. EL34 is very famous tube and great for power tube amplifier. The circuit above is complete circuit contains tube amplifier circuit diagram and power supply circuit diagram. To make the stereo channel amplifier, build the similar amplifier c
20W Power Tube Amplifier with EL34 - schematic

ircuit only and connect to the power supply using parallel connection with another same amplifier. Tags: 20w EL34 amplifier, 20w tube amplifier, el34 amplifier, el34 circuit, el34 power amplifier, el34 schematic, el34 tube amplifier, el34 wiring, power tube amplifier el34, 35W Tube Power Amplifier with EL34. This tube amplifier designed in 1953 and worked from 1954 until 1989. Schematic Diagram: Power Supply: Component List: R1=470K 0, 5W R13-21=820K 0. 5W C8-9=0. 1uF 630V R2-5= 2K2 0. 5W R14-22=5K6 0. 5W C10-14=0. 47uF 630V R3=150K 0. 5W R15-20= 680K 0. 5W C11-13=25uF 40V R4= 220K 0. 5W R16-19=100K 0. 5W V1= E80CC R6-10= 56K 0. 5W R17-18=3K3. This is the circuit diagram of stereo tube amplifier using 6SQ7-GT and 6V6-GT. The tube amplifier circuit is uses the total of 5 power vacuum tube. The diagram is based on the output section design of typical late 1940`s old AM Trutone radio with 6 tubes. The output will be 4 Watts per channel (2x4W.

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