RCA Cunningham Type 45 Vacuum Tube

Tung Sol Type 45 Tube Tested Very Strong

Coronado Type 45 Engraved Base Vacuum Tube Amplitrex Tested Strong

Zenith Type 45 Vacuum Tube Amplitrex AT1000 Tested Strong

Silvertone Type 45 ST Vacuum Tube Engraved Base Amplitrex Tested Strong 82%

Commander Type 45 Engraved Base Vacuum Tube Amplitrex Tested Strong 72%

RCA Radiotron X-99 Type 99 Vacuum Tube Amplitrex Tested Strong

Cunningham RCA Type 45 Radio Amplifier VACUUM Tube Hickok TESTED O.9777