very rare Bendix RED BANK double rectifier with highly ruggedized construction.
Tested at 110% on our AVOCT160 on 5YWGT settings
please find below a link for more information on this very special tube.
http://www.mif.pg.gda.pl/homepages/frank/sheets/131/6/6106.pdf
Probably the best sounding 6X4 tube manufactured Tung-Sol in USA. All tubes from the same lot, same production number and we have 4 pcs available.
Tested very strong NOS on our AVO CT160 tubetester
RCA 5R4GY audiophile rectifier tested NOS.
Each tube has been carefully tested on our Hickok 539A tube tester to insure excellent performance.
