1 Sylvania Mullard XF2 O Getter 6CA7 EL34 Vacuum Tube Tested NOS TV7
This tester also is used in conjunction with a variac to maintain test results accuracy and consistency. Average new tube value – 46. Tubes tested at – 48.
Pair JJ Electronic EL 34 / 6CA7 Power Tubes Tested B&K 700 for GM, 606 Emissions
These appear to be new but since I don’t know for sure, I’m listing them as used. They test 101, 106 for GM on B&K 707 Mutual Conductance tester and 98, 100 for emissions on B&K Dyna Jet 606.
Pair NOS RFT EL34 6CA7 Tubes Matched Perfect for GM, Current, & Emissions On B&K
These NOS 1980s “Dimple Top” RFT EL34 tubes were tested for GM on my B&K 707 Mutual Conductance tube tester and for emissions on my B&K Dyna Jet 606 tester.
EL34 / 6CA7 tube RFT ( SIEMENS ) – SHORT BASE OO SOLID DISC GETTER TV-7 tested
TESTED WITH a (TV-7/U) FOR GAS, SHORTS, AND MUTUAL CONDUCTANCE AND ARE MOSTLY STRONG TUBES! TUBE’s TEST RESULT’s Tested STRONG. Tested Near NOS! TV-7/u Tested. I tested these on a High Quality Professonal Hickok TV-7/U Tester.
Pair RFT EL34 6CA7 Tubes One Labeled Raytheon Tested Good GM Current & Emissions
Tube 1 – 33 plate current, 82 GM, 96 emissions.
Pair National Electric RFT EL34 6CA7 Tubes Tested GM, Current & Emissions EX++
Tested for GM on my B&K 707 Mutual Conductance tube tester and also tested for emissions on my B&K Dyna Jet 606 tester. Tube 1 – 40 plate current, 89 GM, 100 emissions.
Pair 1967 EL34 Amperex Mullard XF2 OO Getter 6CA7 Vacuum Tubes Blackburn STRONG
They test like-new. If they were used it was not much. They have the 00 getters and welded plates. The Mullard etched codes are XF2 B7H4 and B7K3 for August and November of 1967. The boxes are taped together and were sold as a factory match.