SIEMENS ECC85 / 6AQ8 Vintage Vacuum Twin Triode Tubes - West German Made Equivalent to 6AQ8, B719 and 6L12 DESCRIPTION Upgrade Your Audio System with These Top Quality Siemens ECC85 Twin Triode Tubes - Manufactured in West Germany. Designed for use as RF amplifiers and mixers in AM/FM radio receivers, these fine miniature glass 9-pin tubes feature gray plates, thick mica spacers, and top halo getters for superior performance. Get the ultimate audio experience with these high-quality tubes, backed by the expertise of Siemens |