1960's RCA 7025 Long Plate Pair. Codes look like LF and LM. We cannot be responsible for what tubes test in another tester.
12AX7 GE SQUARE GETTER LONG PLATE NOS VALVE TUBE (LC44)
12AX7 AMPEREX / CBS Hytron Holland Long Plate HiFi Stereo Guitar Amp Tube mCA ⊿3
Luntus SPDIF Optical and RCA Out Plate Cable Bracket Digital Audio Output for Gigabyte MSI Mother Board
5751 RCA BLACK PLATE NOS VALVE TUBE (LC93)
Sylvania 6SN7 6SN7GTA Chrome Top Long Bottle Black Plate Matched Pair
Philips ECC 12AU7 ECC82 Vacuum Tubes Long Gray Plate TV-7 Tested Strong
