5 US-Made 4CB6 Vacuum Tubes Valves NOS NIB Lot Of Five Ken-Rad Gebraucht Tube Ten: 44/1800

Tube Ten: 44/1800

these are the only Coke bottle-shape 6H6s I have seen in 25 years in the tube business

Here's a new old box

They tested as follows: 60

new in box Raytheon 10KR8 tubes tested to spec on our TV7/U

5 US-Made 4CB6 Vacuum Tubes Valves NOS NIB Lot Of Five Ken-Rad Gebraucht Tube Ten: 44/1800These five new old stock, new in box US made 4CB6 tubes tested to spec on our Paul Hart calibrated TV7 U. BECAUSE OF THE BIZARRE, INTRUSIVE AND DRACONONIAN 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