VK1SV valve home page

Valve projects

• A single 6CL6 valve trasmitter: the first blood
• A simple transmitter with valves
• An audio amplifier using a 6J5 triode and an 807 PA in tetrode configuration
• A 6AG7, 807 valve transmitter for 472 kHz
• A grounded grid amplifier, based on a 3-500Z (14000 kHz)
• A simple valve tester
• Low voltage triode curves of the mighty 4PR60C

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