Matched Pair OTK 6N1P 6H1П 6BQ7 6DJ8 ECC88 Milspec Vacuum Tubes New From Bulk Box Best Of Hawaii Calls This lot of six US-made

This lot of six US-made type 43 tubes was tested our Paul Hart-calibrated TV7/U for shorts

marked for safe-and-easy insertion)

new in box US-made 6AS8 tubes tested to spec on our Paul Hart-calibrated TV7/U

"Britain" is printed on the tube itself and there appears to be an incomplete Amperex-style code near the base

Matched Pair OTK 6N1P 6H1П 6BQ7 6DJ8 ECC88 Milspec Vacuum Tubes New From Bulk Box Best Of Hawaii Calls This lot of six US-madeThis 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 35 33 for Tube One and 35 35 for Tube Two. Minimum (65%) is 26 26 for the similar