Primarily available as a password-protected PDF download.
The starting point for powering high-voltage tube circuits. The Vacuum Tube Shortwave Radio 2
Explaining how these functions were often combined into a single tube in later designs. Primarily available as a password-protected PDF download
The book contains detailed drawings and descriptions of the various tube types used in the 8Q2, which is critical for identifying and replacing aging components. The Vacuum Tube Shortwave Radio 2
Covering signal reception and audio recovery.