3 RCA 12AU7 12AU7A ECC82 Black Plate Vacuum Tubes Lot Of Three JANCTL6098 Milspec 5 record cleaner and then

5 record cleaner and then played it on my Planar Three

new in box Magnavox 6BZ6 tubes tested to spec on our Paul Hart-calibrated TV7/U

It was stored in a cool

They are dead quiet when the volume is muted and have excellent frequency response

new in box GE 8156 tube tested to spec on our Paul Hart-calibrated TV7/U

3 RCA 12AU7 12AU7A ECC82 Black Plate Vacuum Tubes Lot Of Three JANCTL6098 Milspec 5 record cleaner and thenThis trio of RCA black plate 12AU7A ECC82 dual triodes was tested on our Paul Hart calibrated TV7 U for shorts, gas and transconductance. There were no shorts or gas. Transconductance measured 60 79, 66 58 and 82 72, respectively where minimum (65%) is 56 56 and 100% is 86 86. They have matte, black 17MM plates; slanted D getters; steel support rods and excellent flashing. I have played them in my Radio Craftsmen RC 2 monoblocks (with adapters, not