RCA 12HG7/12GN7 Output Pentode Vacuum Tube Tested Free Shipping

1 NOS Westinghouse 50HK6 7 pin Miniature Pentode Power Output Audio Vacuum Tube

Raytheon 12DQ6B Beam Power Pentode Output TV Audio Vacuum Tube Tested Good

Vintage RCA 6EZ5 Vacuum Tube NOS – Beam Power Pentode – Radio/TV Output – NIB

Lot 4 RCA 6AQ5A Beam Power Pentode Vacuum Tubes NOS Audio Amplifier USA

6AK6, RCA, Power Pentode Vacuum Tube - TESTED

RCA 12HG7/12GN7 Output Pentode Vacuum Tube Tested Free Shipping

6CU5 RCA Power Pentode Vacuum Tube - NOS - TESTED