Here is a lot of 9 5749w rca/sylvania tubes. 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.

Sylvania#1

4200

Sylvania#2

4000

Sylvania#3

3900

Sylvania#4

3400

Sylvania#5

3800

Rca#1

4000

Rca#2

3800

Rca#3

4000

Rca#4

3600

Minimum is 2080 and 100% is 3300.

No shorts.

Thanks for looking and please dont hesitate with any other questions. Dont forget to check out my other listings for other great tubes!