Up for sale is a rare, vintage Siemens E2d power triode vacuum tube. This is a legendary "Poströhre" (German Post Office) tube, engineered by Siemens & Halske for extreme longevity and high-fidelity audio performance.
The tube is in beautiful cosmetic condition and comes in its original yellow and blue Siemens Röhren box. These tubes are highly sought after by audiophiles for use as high-end drivers or power tubes in SET (Single-Ended Triode) amplifiers.
Brand: Siemens & Halske
Type: Indirectly heated power triode (E2d)
Base: 7-pin Post type
Condition: New Old Stock (NOS) with original packaging