RCA Black Plate 6BK7 6BK7B Vacuum Tube Valve NOS NIB For Your Schiit 5V6GT Octal EIA Factory Codes: none

EIA Factory Codes: none

outstanding flashing

Admiral-BRANDED 5V4G rectifier tube was tested on our Paul Hart-calibrated TV7/U

sheet getters

Tube One measured 65/66 while Tube Two measured 69/64 where minimum (65%) is 56/56 and 100% is 87/87

RCA Black Plate 6BK7 6BK7B Vacuum Tube Valve NOS NIB For Your Schiit 5V6GT Octal EIA Factory Codes: noneThis new old stock, new in box RCA Black Plate 6BK7B tube tested to spec on our Paul Hart calibrated TV7 U. I have played it in my Schiit Audio Vali 2 headphone amplifier and it sounded great. This variety has black, winged plates with one rectangular hole per plate; copper support rods; shields between triodes to eliminate crosstalk; great flashing and goal post getters. BECAUSE OF THE BIZARRE, INTRUSIVE AND DRACONIAN GERMAN PACKAGING REGULATIONS AND