Matched Pair OTK 6V6 6V6GT Black Glass Vacuum Tubes NOS-Testing I Robot They are dead quiet when

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

Sorry about the boxes

new in box

micromhos)

5 amps for their filaments as compared to

Matched Pair OTK 6V6 6V6GT Black Glass Vacuum Tubes NOS-Testing I Robot They are dead quiet whenThis 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