General Electric GE 50L6 50L6GT Vacuum Tube NOS NIB Z-1879A almost-perfectly-matched pair of Sylvania-MANUFACTURED 6BL7GTA

almost-perfectly-matched pair of Sylvania-MANUFACTURED 6BL7GTA dual triodes was tested on our Paul Hart-calibrated TV7/U for shorts

I have played them in my AC-heated Alan Eaton single-ended 45 amplifier with adapters and they sound outstanding

This album is in very nice shape with a few pops and ticks

Tube One measured 28 while Tube Two measured 29 where minimum (65%) is 22

new in box RCA 6KD6 tube -- and two just like it -- tested to spec on our Paul Hart-calibrated TV7/U

General Electric GE 50L6 50L6GT Vacuum Tube NOS NIB Z-1879A almost-perfectly-matched pair of Sylvania-MANUFACTURED 6BL7GTAThis new old stock, new in box GE 50L6GT rectifier tube tested to spec on our Paul Hart calibrated TV7 U. 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 ARE AUTOMATICALLY INSURED UP TO $100. ETSY PURCHASE PROTECTION COVERS ITEMS UP