6 RCA 6K6 6K6GT Vacuum Tubes Gray Glass Lot Of Six Gebraucht RCA 6U7 It teats below spec but

It teats below spec but should work fine in many applications

This General Electric GE 5 Star 6080 / 6AS7 dual triode output tube was tested on our Paul Hart-calibrated TV7/U for shorts

I am playing them in my Mini Mite 2013 as I write and they sound excellent

It has double

6 RCA 6K6 6K6GT Vacuum Tubes Gray Glass Lot Of Six Gebraucht RCA 6U7 It teats below spec butThis lot of six RCA gray glass 6K6GT tubes were tested on our Maxi Matcher 2 with 325 volts on the plates and a bias of 36 volts for shorts, gas, plate current and transconductance. There were no shorts or gas and they measured as follows (from left to right, top to bottom): Tube One: 17. 1 milliamps' plate current 1220 micromhos; Tube Two: 19. 6 1810; Tube Three: 20. 9 1440; Tube Four: 23. 6 1720; Tube Five: 25. 2 1410 and Tube Six: 31. 6 1890. New