Matched Pair Sylvania 6K6 6K6GT Vacuum Tubes Valves

Matched Pair Sylvania 6K6 6K6GT Vacuum Tubes ValvesThis matched pair of Sylvania MANUFACTURED, Philco LABELED 6K6GT tubes was tested on our Maxi Matcher 400 volts on the plates and a bias of 36 volts for shorts, gas and transconductance. There were no shorts or gas. Tube One drew 18. 4 milliamps' plate current and measured 1460 micromhos. Tube Two measured 19. 5 1710. New nominal is within one standard deviation of 1900. These tubes have copper support rods; rectangular mica spacers; anode radiators

Transconductance measured 49/50 for Tube One and 50/50 for Tube Two (RCA-LABELED)

but has GE 188-5 and a sutured top

Rectifier 35W4

This historical recording sounds pretty good

I have played it in my Cern Audio phono pre-preamplifier as a 6SL7 substitute (with an adapter

THAT LOSS RATE IS REFLECTED IN OUR PRICES

tell you how the tube sounds

new in box RCA side-getter 6CG7 / 6FQ7 dual triode tested 2600/2500 micromhos on a colleague's' Amplitrex

Its first section measured 40 and its diode sections both measured 78 where minimum (65%) is 32 for section one and 40 for the dide sections

This GE 3DJ3 tube tested to spec on our Paul Hart-calibrated TV7/U

This hardcover book is in good condition

WE CAN ONLY TEST FOR THE PARAMETERS MENTIONED ABOVE