Up for sale is a rare single vintage Telefunken 6080 dual power triode valve, brand new in a white box. Made in Germany, this highly coveted tube features the iconic Telefunken Diamond logo screen-printed on the glass, a rugged metal base, deep black plates, and a distinctive double ring getter structure.

As shown in , this tube has been fully bench-tested on our laboratory-grade Amplitrex AT1000 digital tube testing system. The measured plate current (Ip) and transconductance (Gm) results are calculated against standard factory specifications (100 mA / 5800 uMhos) and detailed in the table below.