Matched Pair Toshiba 6FQ7 6CG7 Vacuum Tubes Copper Support Rods May We Get To Read Date Codes: 1-43 and NK

Date Codes: 1-43 and NK

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Silvertone-BRANDED 6K7GT tubes was tested on our Paul Hart-calibrated TV7/U for shorts

new in box Sylvania 6BL8 / ECF80 tube tested to spec on our Paul Hart-calibrated TV7/U

Matched Pair Toshiba 6FQ7 6CG7 Vacuum Tubes Copper Support Rods May We Get To Read Date Codes: 1-43 and NKThis matched pair of 6FQ7 dual triodes was tested on our Paul Hart calibrated TV7 U for shorts, gas and transconductance. There were no shorts or gas. Transconductance measured 64 in Section One and 64 in Section Two for Tube One and 68 68 in Tube Two where minimum (65%) is 50 50 and 100% is 77 77. They have short, gray plates; O getters; copper support rods and excellent flashing. As I write, I am playing them in my Sound Craftsmen RC 2 monoblocks