Matched Pair
Telefunken
6DJ8/ECC88
O-Getter
Diamond Mark on Bottom
Made in Germany

Label is mostly erased.

Fully tested by calibrated Hickok 539C tube tester
with no shorts, leakage or gas.  

Measurement: 
10700/10100
10100/10700
where minimum good value is 7750

Very tightly matched pair!

Tested in my preamplifier to make sure it works as intended with no issues at all.

I will gladly combine shipping upon request.

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The tube(s) in this sale include a 30-day satisfaction guarantee.
If you are unhappy with your purchase for any reason, you can return the item for a full refund.

Please contact me directly prior to opening a return or leaving feedback.
I will almost always reply at least within 24 hours to remedy the situation for you with direct communication.