General Electric GE 25BK5 Vacuum Tube Valve NOS NIB 5U8 Nonal T23 This album sounded pretty good

This album sounded pretty good

new in box Dutch Amperex RCA 6360 tube tested to spec on our Paul Hart-calibrated TV7/U

They have E5E and E5E date codes

Transconductance was 1620 for Tube One and 1730 for Tube Two where new/nominal is within one standard deviation of 1900

Transconductance measured 72 for Tube One and 76 for Tube Two where minimum (65%) is 58

General Electric GE 25BK5 Vacuum Tube Valve NOS NIB 5U8 Nonal T23 This album sounded pretty goodThis new old stock, new in box GE 25BK5 tube tested to spec on our Paul Hart calibrated TV7 U. BECAUSE OF THE BIZARRE, INTRUSIVE, CRUEL 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