5 Sylvania 25Z5 Vacuum Tubes Valves NOS NIB Shoulder ST-Shape Lot Of Five 17BZ3 T18 It has a thin

It has a thin

There are nine new old stock

" WE SHIP THE DAY AFTER THE SALE IF THE SALE WAS AFTER 9:30 AM EASTERN TIME

short bases

Tube Five has been repaired

5 Sylvania 25Z5 Vacuum Tubes Valves NOS NIB Shoulder ST-Shape Lot Of Five 17BZ3 T18 It has a thinThis lot of five new old stock, new in box Sylvania 25Z5 tubes tested to spec on our Paul Hart calibrated TV7 U. One is milspec. This new old stock, new in box matched pair of GE 6FQ7 6CG7 dual triodes was tested on our Paul Hart calibrated TV7 U for shorts, gas and transconductance. There were no shorts or gas. Tube One measured 80 80 while Tube Two measured 82 84 where minimum (65%) is 50 50 and 100% is 77 77. These tubes have copper support rods;