Matched Pair OTK 6N1P 6H1П 6BQ7 6DJ8 ECC88 Milspec Vacuum Tubes New From Bulk Box Lou Mason Vinyl LP Perhaps an eight-8

Perhaps an eight-8

This new old stock-testing matched pair of GE black plate 6CL6 tubes were tested on our Paul Hart-calibrated TV7/7 for shorts

new in box GE 6AC7 tubes tested to spec on our Paul Hart-calibrated TV7/U

top to bottom) 25

new in box Zenith 100-79 ballast tube -- and another just like it -- tested to spec on our Paul Hart-calibrated TV7/U

Matched Pair OTK 6N1P 6H1П 6BQ7 6DJ8 ECC88 Milspec Vacuum Tubes New From Bulk Box Lou Mason Vinyl LP Perhaps an eight-8This matched pair of new from bulk box, milspec OTK 6H1 6H1P 6BQ7 6DJ8 ECC88 dual triodes was tested on our Paul Hart modified TV7 U for shorts, gas and transconductance. There were no shorts or gas. These tubes were tested using 6BQ7 settings which are the closest US European tube type to this Soviet tube type. All have the OTK rocket and 8911 date codes. They measured 28 28 for Tube One and 28 29 for Tube Two. Minimum (65%) is 26 26 for the similar