ID:
251
Maker's Name:
GEC
Where made:
England
Dimensions:
4.8 × 4.8 × 13 cm
Power tetrode, beam construction. Glass envelope, bakelite octal base with locating spiggot.
Used in audio amplifiers.
251 - Valve KT 66
Power tetrode, beam construction. Glass envelope, bakelite octal base with locating spiggot.
Used in audio amplifiers.
