In the old days, the ritual of taking the tubes out of your big console TV and testing them in the supermarket tube-tester was well-known. Today, if you have tubes in your TV, congrats! You are hard-core. But, if you just need a set of replacement tubes for your Valhalla, this matched set is all you need.

90-Day Warranty 

Tubes are covered by a 90-day warranty that begins when they are shipped.
Input Tube Type: 6N1P
Output Tube Type: 6N6P
Quantity: 2 each (total 4 tubes)
Lifespan: 3,000-5,000 hours typ.