Telefunken Black Diamond 12AX7

New Factory 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...

New Factory Matched Pair 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, it offers...

New Factory Matched Trio 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, it offers...

New Factory Matched Quad 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 distortion...

New Factory Matched Quintet 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 distortion...

New Factory Matched Sextet 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 distortion...