1 NOS Sylvania 6CA4 aka EZ81 Vacuum Tube – Rectifier for Radios & Audio Amps
1 NOS Sylvania 6CA4aka EZ81Vacuum Tube. Hickok TV-7D/U tests read 54/54. This tube was made in the USA.
1 NOS GE 6CA4 aka EZ81 Vacuum Tube – Rectifier for Radios & Audio Amps
1 NOS GE 6CA4aka EZ81Vacuum Tube. Hickok TV-7D/U tests read 54/54. This tube was made in the USA.
