Power Pentode
Test like new.
If You Own a Leslie Speaker System
Then This is the Tube You Want!
The Philips 6550 Vacuum Tube is a glass octal type used
in the output stages of high-fidelity audio amplifiers.
It requires an octal socket.
Electrical Data:
Heater Voltage ................................ 6.3 V
Heater Current ................................ 1.6 A