This sale is for (2) RCA NOS, 6SL7 tubes. KS-15874 and TV-7D/U (Digital Meter) Tested, #1- 57.0, 59.4, #2- 51.4, 50.1 Minimum 32.0 / 32.0. Date Codes Match 204. Vf 6.3 Volts / If 0.3 Ampere / Indirect / Specified voltage AND current AC/DC The tubes have been tested for Noise, Shorts, Gas and Grid Emission. The tube boxes are in fair to good condition. SEE PHOTOS.... I
used my TV-7D/U tube tester with Digital Meter and my KS-15874 tube tester for testing these tubes. If you have any questions or issues
after receiving your item, please contact me prior to leaving feedback
so that I may address them. I combined shipping on all of my sales.
Shipping will be free in the U.S.
The military number for this tube is VT229 which is the same as 6SL7 tube.