Description

********************************************************************************************************************************************************* ONE CEI 6686, MADE BY SIEMENS IN W. GERMANY, VACUUM TUBE IN THE ORIGINAL BOX. THIS TUBE HAS NEVER BEEN USED AND IS IN IT'S UMOLESTED STATE. TUBE TESTS 106%, ON B&K747 MUTUAL CONDUCTANCE TUBE TEST. Calvert Electronics known as CEI made the highest quality vacuum tubes for the U.S. military and others. These tube are highly sought after. Notice the getter. It is high quality. This vintage CEI SIEMENS 6686 E81L tube is a rare find. It comes in its original box, and is a new old stock (NOS) item, meaning it has never been used or installed. As a valve, it is a crucial component in vintage audio and video systems, as well as other consumer electronics. This tube is highly sought after by collectors and enthusiasts due to its quality and historical significance. Its brand, CEI, is known for producing high-end electrical equipment, making this item a valuable addition to any vintage electronics collection. Don't miss your chance to own this unique piece of history. Listing and template services provided by inkFrog