RCA Black Plate 6BK7 6BK7B Vacuum Tube Valve NOS NIB For Your Schiit 5V6GT Octal This is a testament to

This is a testament to their high emissions

sheet getters

forward sound with great bass articulation as well

This matched pair of Cunningham / RCA 6F5s were tested on our Paul Hart-calibrated TV7/U for shorts

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

RCA Black Plate 6BK7 6BK7B Vacuum Tube Valve NOS NIB For Your Schiit 5V6GT Octal This is a testament toThis 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