Perfect matched pair of Klangfilm KL72401. They test as good as new. They were tested strong on my Funke W19 tube tester. There are no shorts and no gas. No parts inside the tubes. For more details please look at the pictures. Your get what you see. There is no box. Your bit is for on matched pair.

I offer a Koerting cinema tube amplifier type HTKW in original condition. This cinema amplifier was produced in the year 1939 by Koerting Radio-Dr. Dietz & Ritter GmbH, a famous supplier of high quality cinema and radio equipments in Germany.