6SH7
CV594 International octal base pentode ...more
Tube-Shop Price $7.50
6SJ7
CV591 international octal base pentode ...more
Tube-Shop Price $9.75
GD 6SL7GT
(ALSO KNOWN AS ECC35) This tube is an octal-based high mu twin triode with separate indirectly heated cathodes. It was originally designed in the 1930’s as an audio frequency voltage amplifier. ...more
Tube-Shop Price $19.85
GD 6SN7GT
(ALSO KNOWN AS ECC33) This tube is an octal-based medium mu twin triode with separate indirectly heated cathodes. It was originally designed in the 1930’s as an audio frequency voltage amplifier. ...more