Lot of 50 pcs GU-50 (??-50) Russian high power pentode tube, NOS, NIB, tested. Eqivalents LS-50, P50, FU-50. Produced 1987 by Ulyanov Tube Factory, Ulyanovsk, Russia.One 50-pcs industrial wooden box, OTK stamp, same date codes.
By clicking "Accept All Cookies", you agree to the storing of cookies on your device to enhance site navigation, analyze site usage, and assist in our marketing efforts.