Matched Pair
Siemens
12AT7/ECC81
O-Getter
Made in Germany

Same Date Code: VF1 ≠6F
Both tubes are made in June 1966 in Germany

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

Measurement: 
3800/3630
3470/3820
where minimum good value is 2500

Tightly matched strong pair!

Tested in my preamplifier to make sure working 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.
I strive to ensure you have a completely satisfactory purchase experience.
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.