New in bulk packaging, prototypes!!!
These tubes are specially selected prototype versions, made by Tesla, Czechoslovakia. They can be used in almost any ECC88 / 6DJ8 application, B9A pinout
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PCC189 Tesla 7ES8 double triode, all the same codes
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Gray shield and silver shield versions
Click to see all ECC88 6DJ8 E88CC 6922 in stock
Can the PPC 189 be used in an Audio application, I have an Audio Research SP10 preamp and wonder if this tube is compatible with 6922 used in my unit?