6SC7 / 6SC7GT types

This GE 6SC7 tube has a metal bottle with white print. Tube tests as new.

This 1945 Ken-Rad VT-105 tube is a military spec 6SC7 tube type. The silver print on the metal bottle reads "JAN-CKR-6SC7 VT-105." Tube tests as new and ships in its original box.

The 1945 Ken-Rad VT-105 tubes in this precision matched pair are military spec 6SC7 type tubes. The silver print on the metal bottle reads "JAN-CKR-6SC7 VT-105." Both tubes test as new and are matched for both current draw (mA) and transconductance (Gm).