Frame grid version of ECC83 made by JJ Electronic.
Frame grid construction was first produced by Siemens in 1952. The most popular frame grid tubes are the Telefunken ECC803S, but also the US manufactured 6922 (E88CC).
Frame grid version of ECC83 made by JJ Electronic.
Frame grid construction was first produced by Siemens in 1952. The most popular frame grid tubes are the Telefunken ECC803S, but also the US manufactured 6922 (E88CC).
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