TubePad 6.0 Tube Chart

Quick Reference Data

Name: 5591
Use:
See 6AK5
Notes: Requires a miniature 7-pin socket.


5591
Sharp-Cutoff Pentode

Characteristics

Data Source. . . . . . . . . GE-73
Heater or Filament Voltage . 6.3 volts
Heater or Filament Current . 0.15 amperes
EIA Base . . . . . . . . . . 7BD
Substitutes . . . .  6AK5 6AG5 6BC5 6CE5 
For Characteristics and Typical Operation, See 6AK5