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The amplifier described in this project is “Hybrid”, but now the case is reversed and the Tube is used at the output, thus preserving all the positive features of a pure Tube Amplifier.

- GU81 Vacuum Tube
- Microwave oven Trafo
- PC Power Supply
- Audio output trafo
- 50W Power Amplifier (module)
- Graetz bridge with 20pcs 1N4007
- Capacitor 470microF/400V - 8pcs.
- Through Hole Resistor, 470 ohm - 8pcs.”

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