Matched Pair
Telefunken
EF804
O-Getter
Diamond Mark on Bottom
Vacuum Tubes
Made in Germany.

Date Code: U6107108 & U2200611
Made in Ulm Germany

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

Measurement: 
2100
2300
where minimum good value is 1260

Strong and tightly matched pair!

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 that every buyer has a completely satisfactory purchasing 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.