Matched Pair OTK 6V6 6V6GT Black Glass Vacuum Tubes NOS-Testing I Robot This GE 6EH4 tube tested

This GE 6EH4 tube tested to spec on our Paul Hart-calibrated TV7/U

They are dead quiet when the CD player is paused and have excellent frequency response

new in box

Plates: black/dark gray rounded plate

Matched Pair OTK 6V6 6V6GT Black Glass Vacuum Tubes NOS-Testing I Robot This GE 6EH4 tube testedThis matched pair of OTK MANUFACTURED black glass 6V6GT output tubes was tested on our Maxi Matcher 2 for shorts, gas and transconductance. There were no shorts or gas. Plate current measured 20. 2 milliamps and transconductance was 2460 micromhos for Tube One (Raytheon BRANDED). Tube Two (Ameco BRANDED) measured 21. 9 2460. (New US made 6V6s typically test with plate current from the mid teens to mid 30s with transconductance from 2300 micromhos or