4 US-Made 3BZ6 Vacuum Tubes Valves NOS NIB Lot Of Four Stereo 33 C Transconductance measured 44/45 for Tube

Transconductance measured 44/45 for Tube One and 45/45 for Tube Two where minimum (65%) is 25/25 and 100% is 38

Its only flaw is an inscription on the first blank page

new in box GE 10DE7 tubes tested to spec on our Paul Hart-calibrated TV7/U

new in box RCA 6GU7 tubes for sale in this listing

4 US-Made 3BZ6 Vacuum Tubes Valves NOS NIB Lot Of Four Stereo 33 C Transconductance measured 44/45 for TubeThese four US made 3BZ6 tubes tested to spec on our Paul Hart calibrated TV7 U. BECAUSE OF THE BIZARRE, INTRUSIVE 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 150,000 VACUUM TUBES. IF IT'S NOT LISTED, WE PROBABLY HAVE IT. PLEASE ALSO SEE OUT