Beam Power / Output Tube
The General Electric 7027A Vacuum tube is an improved variant of the
6L6GB and 6L6GC tubes with a different bulb, thick plate
and two pins each for G1 and G2 to increase heat
dissipation through the base. This tube has 35 Watts of
plate dissipation. 7027A tubes are great for Ampeg
Amplifiers
7027 tubes CANNOT substitute 6L6 type tubes!
6L6 tube types CANNOT substitute 7027 tubes!
The pin configurations are different!
Electrical Data:
Heater Voltage ................................ 6.3 V
Heater Current ................................ 0.9 A
Preferred substitutes ......7027, 7027A