Dual triode valves Noval

A Double Triode, also known as Dual Triode, is basically a valve or tube keeping two triodes in the same envelope therefore, a double triode has two Anodes, commonly known as A1 and A2, which are two independent valves in the same envelope.

Most common double triodes are ECC81 ECC82 ECC83 12AT7 12AU7 12AX7 B36 B65 ECC88 E88CC ECC32 ECC33 ECC34 ECC35 ECC40 6SN7GT 6SL7GT

ECC81 ECC801S ECC82 ECC83 ECC803S 12AT7 12AU7 12AX7 CV491 CV492 CV4003 CV4004 B329 B339 A2900 etc