Condition: New For 7pins tube: 6C33 832 829 FU29 826 TM-30 GU19 Ham Radio B7A... Working Voltage: 1500V Contact Resistance >0.01Ω Insulation Resistance <10000MΩ Useful Life: 200 times
Package includes: 7pin Gilded Ceramic vacuum tube socket gold valve base 6C33 832 829 FU29 826 audio amps DIY parts