Philips 6ES8 ECC189 Vacuum Tube A Frame Riveted / Dimple Disk Getter Sutured Top NOS NIB Pete Fountain This lot of four Tung-Sol

This lot of four Tung-Sol coated glass 50L6GT tubes was tested on our Paul Hart-calibrated TV7/U for shorts

new in box (For Tube Two) matched pair of GE 6FQ7 / 6CG7 dual triodes was tested on our Paul Hart-calibrated TV7/U for shorts

It measured 60/57 where minimum (65%) is 40/40 and 100% is 62/62

new in box Westinghouse 6101 / 6101/CT tubes tested to spec on our Paul Hart-calibrated TV7/U

anode radiators for cooler operation and longer tube life and saucer getters

Philips 6ES8 ECC189 Vacuum Tube A Frame Riveted / Dimple Disk Getter Sutured Top NOS NIB Pete Fountain This lot of four Tung-SolThis new old stock, new in box Philips MADE, RCA BRANDED 6ES8 ECC189 tested to spec on our Paul Hart calibrated TV7 U. This tube has beautiful, crisp orange lettering; a sutured top, a riveted disk getter; A frame construction and 1Xb ^2d date provenance codes, respectively, meaning it was made at the Philips plant in Heerlen, Limburg Province, The Netherlands. I have played it in my Schiit Audio Vali 2 headphone amplifier and it sounded great. WE