5 US-Made 50B5 Vacuum Tubes Valves NOS NIB Lot Of Five January 19 2026

5 US-Made 50B5 Vacuum Tubes Valves NOS NIB Lot Of Five January 19 2026These five new old stock, new in box US made 50B5 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

Transconductance measured 4100/3400 micromhos

These five RCA new old stock

minimum (65%) is 2600)

new in box Raytheon 21LU8 tubes tested to spec on our Paul Hart-calibrated TV7/U

These mesh plate National Union number 78 tube were tested on our Paul Hart-calibrated TV7/U for shorts

This hardcover book is in very good shape

1 milliamps' plate current / 1220 micromhos

This RCA 807 output tube was tested with adapters on our Maxi-Matcher 2 for shorts

These four metal base National Union 6Q7GT tubes tested to spec on our Paul Hart-calibrated TV7/U

If you need robust EL34s

I just cleaned this two (of three) record LP set on my VPI 16

These twelve twist-on