4 General Electric GE 12HL7 Vacuum Tubes NOS NIB Lot Of Four Hits Of 1966 Side Four is more like

Side Four is more like a 6

new in box CBS black plate 12AV7 tubes tested to spec on our Paul Hart-calibrated TV7/U

This matched quad of GE black plate 6CL6 tubes were tested on our Paul Hart-calibrated TV7/U for shorts

This lot of two GE number / type 58 tubes was tested on our Paul Hart-calibrated TV7/U for shorts

clear glass 6K6GT tubes was tested on our Maxi-Matcher tube tester with 325 volts on the plates and a bias of -36 volts

4 General Electric GE 12HL7 Vacuum Tubes NOS NIB Lot Of Four Hits Of 1966 Side Four is more likeThese four new old stock, new in box US made 12HL7 tubes tested to spec on our Paul Hart calibrated TV7 U.