VACUUM TUBE ~ 1A6 ~ RAYTHEON ~ NOS ~ # 1A6

6CU6 ZENITH VACUUM TUBE Not Tested

NOS Zenith 6EN4 Vacuum tube - Checks Good

1 Strong Sovtek 5881 / 6L6 tube #70117

Sylvania 6DQ5 Vacuum Tube Black Plate NOS? Strong 110% TESTED Original Box OB

Raytheon 5U8 Vacuum Tube in Original Box NOS USA Vintage Guaranteed Tested Tubes

Vintage Tested Strong RCA 6EJ4A Amplifier Audio Guitar Vacuum Tube

Tung-Sol 6BG6GA Black Plate DD Getter Vacuum Tube Ham Radio TV TV7 Tested ANOS I