CBS Vacuum Tube 3AV6 TESTED NOS

One CBS 6AV6 Tube NOS NIB Strong Triode Balance Diodes AMPLITREX Results

Vacuum Tube type 3AV6 High Mu Triode/Dual Diode NOS/NIB (#13240)

6AW8A RCA Triode-Pentode Vacuum Tube - NOS - TESTED

12AU7 - 100% TESTED GOOD VACUUM TUBE- TESTS STRONG

6BH8 CBS Triode-Pentode Audio Video Vacuum Tube NOS - TESTED

Sylvania JAN-JHS-6CG7 Medium-Mu Twin Triode Vacuum Tube NOS/NIB (#59910)

6SQ7 CBS Duplex-Diode High-Mu Triode Vacuum Tube - TESTED