How it works – Heathkit HA 14 Linear Amplifier tutorial
The Heathkit HA-14, the compact kilowatt linear amp, is the lessor known of Heath’s linear amplifiers.
But, if one is looking for simplicity, then is the linear for you.
Check out the video as Dave Larson, KK4WW shows you the linear and explains the schematic diagram
Here is the full schematic – https://frrl.files.wordpress.com/2010/06/heathkit_1kw_linear_ha-14.gif