TubePad 6.0 Tube Chart

Quick Reference Data

Name: 7581
Use:
Glass octal tue type used in AF power amplifier applications.
Notes: Requires an octal socket. See 6L6 for typical operation.


7581
Heater or Filament Voltage . 6.3 volts
Heater or Filament Current . 0.9 amperes
EIA Base . . . . . . . . . . 7AC
Substitutes. . . . . . . . . None
For Characteristics and Typical Operation, See 6L6