5 US-Made 4CB6 Vacuum Tubes Valves NOS NIB Lot Of Five Ken-Rad Gebraucht It 66-26 date codes and

It 66-26 date codes and steel or tantalum plates

Transconductance measured 65/34

I have played them in my Radio Craftsmen RC-2 monoblocks with adapters (not included) and they sound outstanding

60 and 63 where minimum (65%) is 40 and 100% is 62

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

5 US-Made 4CB6 Vacuum Tubes Valves NOS NIB Lot Of Five Ken-Rad Gebraucht It 66-26 date codes andThese 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