Raytheon 9CL8 Vacuum Tube Valve NOS NIB 12HG7 NOS NIB 5 standard deviation of 4000

5 standard deviation of 4000 micromhos

They tested 46/52

rounded dark-gray plates

Transconductance was 2810 micromhos for Tube One and 2900 for Tube Two

There are four new old stock

Raytheon 9CL8 Vacuum Tube Valve NOS NIB 12HG7 NOS NIB 5 standard deviation of 4000This new old stock, new in box Raytheon 9CL8 tube tested to spec on our Paul Hart calibrated TV7 U. BECAUSE OF THE BIZARRE, INTRUSIVE, PETTY 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