02-13-2019, 09:22 PM
You'd need a very large signal to push any real amount of volume through the plate(blue) lead.
Can you get anything from the control grid(pin 4)?
http://www.nj7p.org/Tubes/SQL/Tube_query.php?Type=42
Can you get anything from the control grid(pin 4)?
http://www.nj7p.org/Tubes/SQL/Tube_query.php?Type=42
Tom