The Tung-Sol 5881 brown base is rugged, warm, powerful, and most importantly dynamic. These tubes will last 1000s of hours while maintaining their clarity and warmth. The brown base 5881 is rarely matched in its weight class.
Our current stock is made up of Military and clean NOS tubes with a variation of logos. Stock is extremely limited: first come first serves. We can currently match sets of 4 for no extra cost.