One RCA JAN CRC 5693 one RCA 593 vacuum tube
Minor rust spots on the base of the tubes.
Tested with a calibrated TV-7D/U tube tester.
Calibration by Daniel Nelson.
Tested at: 69 plate current. 7.9
67 plate current 7.4
Average new: 66
Minimum good: 40
The minimum is equal to 65% of the life of the tube.
Tested for shorts and gas.
Date codes: 59-52 59-02
NOS/Used: used
Construction: -
Glass: -
Base:
octal
30-day free return.
We combine shipping $1.00 for each extra tube purchase.
Your items will be packed very well and shipped promptly.
Always glad to answer any questions.
Thanks for looking!