6CG7 / 6FQ7

This late 1950s, early 1960s GE 6CG7 / 6FQ7 dual triode preamp tube has a halo getter and gray plates with an internal shield. Choose from low noise tubes that test as new or good.

The early 1960s GE 6CG7 tubes in this premium matched pair have halo getters and gray plates with gray internal shields. Both tubes test as new and are precisely matched for both current draw (mA) and transconductance (Gm).

The GE 6CG7 / 6FQ7 tubes in this premium matched pair have halo getters and gray plates with copper grid wire posts. Both tubes test as new and are precisely matched for both plate current (mA) and transconductance (Gm).

The 1950s 6CG7 tubes in this premium matched pair were made by RCA. They have D getters and black plates with black internal shields. Both tubes test as new and are precisely matched for both current draw (mA) and transconductance (Gm).

This Sylvania 6CG7 / 6FQ7 dual triode preamp tube has a halo getter and gray plates with no internal shield. The green, yellow, or red label on the glass has the Sylvania lightening logo. Choose from tubes that test as new or good.

The Tung-Sol 6CG7 tubes in this premium matched pair have large O halo getters and dark gray plates with black internal shields. Both tubes test as new with very low noise and are precisely matched for transconductance (Gm).