General Electric GE 6L6 6L6GC Vacuum Tube For Your Univalve NOS-Testing 6AK6 Septal T35 but the spine is in

but the spine is in fine shape with no loose pages

This lot of four European PCL805 tubes was tested on our Paul Hart-calibrated TV7/U

EIA Factory Codes: RCA livery

new in box Sylvania 6V4 / EZ80 rectifier tube tested to spec on Paul Hart-calibrated TV7/U

General Electric GE 6L6 6L6GC Vacuum Tube For Your Univalve NOS-Testing 6AK6 Septal T35 but the spine is inThis new old stock testing and looking! GE 6L6GC output tube was tested on our Maxi Matcher with 400 volts on the plates and a bias of 48 volts for shorts, gas and transconductance. There were no shorts or gas and it tested as follows: Transconductance: 2710 micromhos Plate Current Draw: 71. 6 milliamps (New US 6L6GCs typically test with plate current from the low 20s to mid 30s with transconductance from 2200 micromhos or so.) It has double, side D