Double Triode
The Siemens ECC801S is a low noise audio vacuum tube.
It has a rated heater life of 10,000 hours. Siemens
ECC801S tubes are excellent and are very similar to the
Telefunken ECC801S.
Electrical Data:
Heater Voltage ........................ 6.3 V
Heater Current ........................ 0.3 A
Prefered Substitutes ......................12AT7, 6201