ampage
tube data
ampage
tube data

12AT7 / ECC81
HIGH-MU TWIN TRIODE
PinElementUnit
1Plate (Anode)Triode
2
2Control Grid
3Cathode
4Filament
5Filament
6Plate (Anode)Triode
1
7Control Grid
8Cathode
9Filament Center-Tap
Miniature types used as push-pull
cathode-drive amplifiers. Each
triode unit is independent of the
other except for common heater.
Requires miniature 9-contact socket.