4 US-Made Number / Type 41 #41 Vacuum Tubes Valves Gray Bottle Lot Of Four Philips Miniwatt 9U8 Minimum is 25

Minimum is 25

It has the nostalgic shoulder / Coke bottle glass envelope

but tests on the low side for a new tube

This matched pair of Sylvania black plate 6CL6 tubes was tested on our Paul Hart-calibrated TV7/U for shorts

a D getter

4 US-Made Number / Type 41 #41 Vacuum Tubes Valves Gray Bottle Lot Of Four Philips Miniwatt 9U8 Minimum is 25These four US made, gray bottle type number 41 tubes tested as follows on our Paul Hart calibrated TV7 U: 43, 46, 55 and 59 where minimum (65%) is 40. BECAUSE OF THE BIZARRE, INTRUSIVE, CRUEL AND DRACONIAN GERMAN PACKAGING REGULATIONS AND THE SEVERE FINES AND PRIVACY INTRUSIONS ASSOCIATED WITH THEM WE NO LONGER SHIP TO GERMAN ADDRESSES. WE WILL HAPPILY SEND YOUR PACKAGE TO A NEIGHBORING COUNTRY OR MAKE SUITABLE ARRANGEMENTS. IN 2021 WE PURCHASED