Platinum matched pair of rare green printing 6922 Sylvanai E88CC.
NOS NIB in genuine JAN boxes.
From big packaging of 100pcs, all the same codes, double stage getter (flat disc + ring getter). 
These are real Sylvania low noise and nicely selected and matched from big batch made back in 70s. 
Great upgrade to any current production 6DJ8 / ECC88 / 6922 / E88CC.
 

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I collect tubes and tube gear for more then 35 years and I start to sell recently, please be sure to check my other items and visit my store and my page for more rare NOS tubes and parts.

I have more than 250000 NOS tubes in stock and just small part is listed here, if you are interested in any specific tube or part, please send me message.