Tung-Sol 25Z6 25Z6GT Vacuum Tube Valve NOS NIB The South Sea new in box RCA 6HS5

new in box RCA 6HS5 tested to spec on our Paul Hart-calibrated TV7/U

It will need to be serviced

This GE 6688 tube tested 110% on our Jackson 648 Mutual Conductance tester

External Diameter: +/- 21 MM

I am listening to it with Pink Floyd's "Obscured By Clouds" and it sounds great in my Schiit Audio Vali 2 headphone amplifier

Tung-Sol 25Z6 25Z6GT Vacuum Tube Valve NOS NIB The South Sea new in box RCA 6HS5This new old stock, new in box Tung Sol 25Z6GT tube 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 HAVE