One (1) 6201 Western Union by Sylvania vintage vacuum tube, made in USA,

tube has grey ribbed plates, top square getter,

triple mica, tube tests: 90, 94 %

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!