One (1) 6HS6 Sylvania by RCA vintage vacuum tube, made in USA,

tube has black smooth plates, top O getter, tube tests: 92 %

Price is for all tubes pictured.

Tubes are tested for emission, as well as for shorts, life test and grid  leakage on calibrated Sencore Mighty Mite tube tester, on scale 1-120, good quality on my Sencore starts at 70.

We test all tubes we sell! We will combine shipping! Check out my other tubes!