Matched Pair Toshiba 6FQ7 6CG7 Vacuum Tubes Copper Support Rods May We Get To Read

Matched Pair Toshiba 6FQ7 6CG7 Vacuum Tubes Copper Support Rods May We Get To ReadThis 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

new in box Zenith 25Z5 tubes tested to spec on our Paul Hart-calibrated TV7/U

top D getters and excellent flashing

This RCA 1B5 / 25S tube is new old stock and new in box and tested to spec on our Paul Hart-calibrated TV7/U

Tube One drew 21

steel support rods

It is dead quiet when the preamp is muted and has excellent frequency response and dynamics even though it tests poorly

Date Codes: 1-43 and NK

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

MENTS FOR LOST PACKAGES

Gain (Mu (µ): 14

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

new in box matched trio of GE-MANUFACTURED 12B4A tubes was tested on our Paul Hart-calibrated TV7/U for shorts