Boot Hill Video
Here's a quick video on wiring tube heaters also referred to as filaments or heater filaments. On your layout sheet, these solder tabs are labelled "FILS". https://youtu.be/CmpesenHzn8
Boot Hill Video
Brief video on Safety and Helpful Tips.
Boot Hill Video
I misspoke when I said "speaker jack". I meant "input jack".
Boot Hill Video
Here's a short video on grounding.
Boot Hill Video
Mounting components on the board.