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6DJ8 / ECC88 / 6922

6DJ8 Tubes

6DJ8, 6922 and ECC88

6DJ8 is a twin triode tube developed as RF low noise amplifier in 1958. European designation is ECC88. 6922/E88CC are drop-in compatible high reliability version of 6DJ8. 6DJ8/6922 tubes have very high conductance which makes them ideal for small signal amplification in audio and recording equipments.


Russian 6N23P was developed as counterpart to 6922. 6N23P is a solid performer and many prefer its sonics. But 6N23P is no longer produced. Fortunately, current Russian 6922 designs are improved descendants of 6N23P.