The ECC 803S (ECC803S) Telefunken Gold Pin High Mu Twin Triode tube is RARE and difficult to find. The ECC803S is a very low noise, special quality 12AX7, made with the old-style Telefunken German precision. These have the ultra wide bandwidth of the Telefunken ECC803s, but also have nicely matched internal triodes, gold pins, and have been carefully factory-screened for low noise.
New Old Stock/New In the Box * No longer available for export
ECC 803S (ECC803S) Telefunken Gold Pin High Mu Twin Triode Tube Made In West Germany E83CC, 12AX7 (NOS/NIB)
This tube is RARE and difficult to find. The ECC803S is a very low noise, special quality 12AX7, made with the old-style Telefunken German precision. These have the ultra wide bandwidth of the Telefunken ECC83, but also have nicely matched internal triodes, gold pins, and have been carefully factory-screened for low noise.
New Old Stock/New In the Box * No longer available for export