RCA 12H6 Vacuum Tube NOS NIB

RCA 12H6 Vacuum Tube NOS NIBThis new old stock, new in box RCA 12H6 tube and eight just like it tested to spec on our Paul Hart calibrated TV7 U. Etsy will indicate how many are available in this Dutch Auction. WE HAVE SCORES OF THOUSANDS OF VACUUM TUBES. IF IT'S NOT LISTED, WE MAY HAVE IT. PLEASE ALSO SEE OUT ETSY SISTER SITE "LOWTECHTWOO" AND OR CALL OR TEXT US AT 202 372 6931 IF YOU DO NOT SEE WHAT YOU NEED OR HAVE ANY QUESTIONS. 1. MOST FORMS OF SHIPPING EXCEPT MEDIA MAIL

I HAVE HAD TWO OR THREE LESS THAN FIVE STAR REVIEWS OR HAVE LOST A CUSTOMER BECAUSE I REFUSED TO EITHER ISSUE A REFUND FOR A TUBE THAT WENT BAD AFTER IT HAD BEEN USED OR A BUYER KNEW NOTHING ABOUT TUBE REBRANDING AND CLAIMED THAT SOMETHING MADE BY TUNG-SOL AND BRANDED BY EMERSON WAS MADE BY EMERSON

Their readings are 61

I have played it in my Schiit Vali 2 headphone amplifier and it sounded great

new in box RCA 6BN4A tubes tested to spec on our Paul Hart-calibrated TV7/U

What makes this funny is that a major US defense contractor likely committed a number of felonies by smuggling communist Soviet tubes into the US at the height of the Cold War

This lot of two National Union number 78 tubes was tested on our Paul Hart-calibrated TV7/U for shorts

new in box milspec RCA JAN-CRC-884 / VT-222 tubes tested to spec on our Paul Hart-calibrated TV7/U

I played this tube this morning it in my Bottlehead Crack headphone amp with Sennheiser SD 580s and it sounded excellent

The GEs are civilian and the National Union is milspec

but I could not test it and

not included) and they sound excellent

The TV7- tubes measured 60