04-02-2024, 08:14 PM
(This post was last modified: 04-02-2024, 08:15 PM by Geordie McBoyne.)
12DT8 has a 12.6V 0.15Amp heater. Pin 9 is the intersection screen connection.
From the Radiomuseum: https://www.radiomuseum.org/tubes/tube_12dt8.html
12DT7 characteristics are more similar to 12AT7/ECC81 than 12AU7.
Disconnect pin 9 from chassis.
Geordie McBoyne.
From the Radiomuseum: https://www.radiomuseum.org/tubes/tube_12dt8.html
12DT7 characteristics are more similar to 12AT7/ECC81 than 12AU7.
Disconnect pin 9 from chassis.
Geordie McBoyne.
