For sale is an electronically matched quad of Sovtek 12AX7WB vacuum tubes.
(2) Sovtek Reflector 7025 12AX7WB Preamp Tubes Tests NOS TV-7U
(2) Sovtek Reflector 7025 12AX7WB Preamp Tubes Excellent Condition Tests NOS. Tube 1 tests at 58/54 and tube 2 at 52/54 with 32 being the minimum score for a good tube (with 65% life remaining).