Telefunken Black Diamond 12AX7

New Gain Tested Telefunken Black Diamond ECC83-TK (12AX7) Vacuum Tube A well-balanced tube suited for all types of music and playing styles. Designed to allow for cleaner headroom than higher gain 12AX7s when pushed into overdrive, it offers distortion...

New Gain Matched Pair (2 pc set) of Telefunken Black Diamond ECC83-TK (12AX7) Vacuum Tubes A well-balanced tube suited for all types of music and playing styles. Designed to allow for cleaner headroom than higher gain 12AX7s when pushed into overdrive,...

New Gain Matched Quad (4 pc set) of Telefunken ECC83-TK (12AX7) Vacuum Tubes A well-balanced tube suited for all types of music and playing styles. Designed to allow for cleaner headroom than higher gain 12AX7s when pushed into overdrive, it offers...