RCA 12A6 VT-134 CV525. Audio Radio Vacuum Tube. VACUUM TUBE TESTING. All tubes have passed the Gas and short tests. Rectifiers and Diode tubes do not have Transconductance values. Use the zoom function and have a good look.
RCA 12A6 VT-134 CV525. Audio Radio Vacuum Tube. VACUUM TUBE TESTING. All tubes have passed the Gas and short tests. Rectifiers and Diode tubes do not have Transconductance values. Use the zoom function and have a good look.