Raytheon 5751/12AX7 Black Plate Triple Mica Square Getter Strong

Description

Raytheon
5751
(=12AX7/ECC83)
Black Plate
Triple Mica
Square Getter
Vacuum Tube
Made in USA.
Label is partially erased.
Highly Desirable Black Plate, Triple Mica, Square Getter Version.
Fully tested by calibrated Hickok 539C tube tester
with no shorts, leakage or gas.
Measurement:
1800/1680
where minimum good value is 875.
Very strong with tightly balanced triodes!
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.