Here is a RCA jan 5751 12ax7 tube pair with matching codes. They are NOS and come with their original boxes. All tubes tested 100% or more with a Marconi mu101/Hickok 533 calibrated mutual conductance tester.

Tube#1

Triode#1

1250

Triode#2

1275

Tube#2

Triode#1

1325

Triode#2

1350

No shorts.

Minimum is 790 and 100% is 1250

Thanks for looking and please dont hesitate with any other question!

Code#70