What's a good Tube Tester to purchase?

[snelson903]

i have b& k & a knight old heathkit had good luck with all three the b&k 667 impress me its really the only peace of test equitment that went through the flood in 96 and servied it was under 3 feet water and took it out cleaned it up let dry and still works they must have really sealed gage on that water never got inside,i was amazed