Amazing double triode glass amplifier tubes manufactured in the United States by General Electric. These fine 8 pin octal based tubes, designed as phase inverters or audio voltage amplifiers, come with stout internal construction, short bottles, silver plates, and side getters. They are printed in red or white with GE logo, ELECTRONIC TUBE MADE IN U.S.A. with various production codes. They are glass etched 6SL7GT U.S.A. Boxes are standard GE orange and gray printed 6SL7GT.
Data sheet