Italian Sylvania 12SN7 12SN7GTA Vacuum Tube NOS NIB Vinyl LP MGM Records WE HAVE HAD FEWER THAN

WE HAVE HAD FEWER THAN A DOZEN THREE-STAR-OR-LESS REVIEWS OR HAVE LOST A CUSTOMER BECAUSE I REFUSED TO EITHER ISSUE A REFUND FOR A TUBE THAT WENT BAD AFTER IT HAD BEEN USED OR A BUYER KNEW NOTHING ABOUT TUBE REBRANDING AND CLAIMED THAT SOMETHING MADE BY TUNG-SOL AND BRANDED BY EMERSON WAS MADE BY EMERSON

new in box black plate Sylvania 6X4 was tested on our Paul Hart-calibrated TV7/U for shorts

highlighting and notes

This CD is in excellent shape

55 and 55 where minimum (65%) is 40

Italian Sylvania 12SN7 12SN7GTA Vacuum Tube NOS NIB Vinyl LP MGM Records WE HAVE HAD FEWER THANThis new old stock, new in box Italian Sylvania 12SN7GTA dual triode was tested on our Hickok 600A for shorts, gas and transconductance. There were no shorts or gas. Transconductance measured a perfectly balanced 2700 2700 micromhos. (New 6SN7s typically test within a standard deviation of 2600 micromhos; minimum (65%) is 1690). It has copper support rods; staggered gray plates; copious flashing and a large, side D getter. I have played it in one of