Cary 4pcs 6.3mm Tube Anode Caps Ceramic Socket for Ef37 Ef39 12e1 6j7 6k8 6k7 El504
Condition: New Quantity: 4 pieces For tube: EF37 EF39 12E1 6J7 6K8 6K7 EL504... Working Voltage:1500V Contact Resistance >0.01Ω Insulation Resistance <10000MΩ Useful Life: 200 times Package includes: 1x 4pcs 6.3mm Tube Anode Caps Ceramic Socket for EF37 EF39 12E1 6J7 6K8 6K7 EL504 audio amps DIY parts