Sylvania Black Plate 5814 12AU7 12AU7A ECC82 Vacuum Tube Milspec / Industrial 14MM Harp Getter For Your Bottlehead Or Univalve 12F5GT Grid Cap T51 This almost-perfectly-matched pair of Sylvania

This almost-perfectly-matched pair of Sylvania black plate 6C4 triodes was tested on our Paul Hart-calibrated TV7/U for shorts

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This lot of three new old stock

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ETSY MAY REIMBURSE YOU EVEN IF IT WAS STOLEN

Sylvania Black Plate 5814 12AU7 12AU7A ECC82 Vacuum Tube Milspec / Industrial 14MM Harp Getter For Your Bottlehead Or Univalve 12F5GT Grid Cap T51 This almost-perfectly-matched pair of SylvaniaThis Sylvania milspec industrial 5814 12AU7 ECC82 dual triode was tested on our Paul Hart calibrated TV7 U for shorts, gas and transconductance. There were no shorts or gas. It measured an almost perfectly balanced 71 72 where minimum (65%) is 56 56 and 100% is 86 86. It has copper support rods; black, 14 MM plates straddled by half moons; a goal post getter and excellent flashing. I have played it in my Bottlehead Crack headphone amplifier and it