Tube Talk
The Magic of Free Shipping: Transforming Your Shopping Experience
Why are Customer Satisfaction and Free Shipping so Important? Customer satisfaction is the name of the game with Penta Laboratories, and one
Burn Tested
Each vacuum tube is burned-in for a minimum of 48 hours dissipating full power with filament, plate and screen voltages that are
About Matched Vacuum Tubes – Matched Pair; Matched Trio; Matched Quad
Vacuum tubes are manufactured to perform in a broad electrical range of based on design characteristics. Because of the variance during manufacturing,