Matched Pair
Mullard
12AU7/ECC82
Short Plate
O-Getter
Copper Getter Post
Made in Blackburn England.

Date Code: Gf12 B7C1 & Gf2 B7D1
Made in March & April 1967 in Blackburn England
-only 1 month apart-

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

Measurement: 
2900/2800
2720/2700
where minimum good value is 1950

Tightly matched and 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.