Matched Trio RCA 6FQ7 / 6CG7 Vacuum Tubes Valves 6KU8 Noval new in box International 6HS5

new in box International 6HS5 tube tested to spec on our Paul Hart-calibrated TV7/U

great flashing and black

There were no shorts or gas and it measured / where minimum (65%) is 40/40 and 100% is 62/62

5 record cleaner and then played it on my solid state rig which consists of a Rega Planar Three with an Ortofon X5-MC cartridge on an RB-300 tone arm with an Adcom GFP-555 II preamp feeding a Hafler SE240 power amplifier and PSB Alpha near-field monitors

Tube Two Plate Current Draw: 27

Matched Trio RCA 6FQ7 / 6CG7 Vacuum Tubes Valves 6KU8 Noval new in box International 6HS5This matched trio of RCA 6FQ7 6CG7 dual triodes was tested on our TV7 U for shorts, gas and transconductance. There were no shorts or gas and their readings are as follows: Tube One measured 66 71 while Tube Two measured 68 67. Tube Three measured 70 70 where minimum (65%) is 50 50 and 100% is 77 77. These tubes have steel support rods; ladder plates; side D getters and excellent flashing. As I write, I am playing them with adapters (not included) in