6X5GT

Octal-base full-wave vacuum rectifier tube housed in a T-9 glass envelope, widely used to convert AC to DC in low-current consumer radios and test bench gear. Equivalents: 6X5, 6X5G, 6X5WGT, VT-126, CV574, EZ35. Real-Life Examples: Philco trans-octal table radios, vintage Hickok tube testers, early post-war standalone audio preamplifiers.