4 US-Made 7A7 Vacuum Tubes Valves Lot Of Four T34 I have played this tube

I have played this tube in my Bottlehead Crack headphone amplifier and it sounds excellent

This trio of RCA 6K7 tubes were tested on our Paul Hart-calibrated TV7/U for shorts

I will test it

and Tube One has a TE4 date code

4 US-Made 7A7 Vacuum Tubes Valves Lot Of Four T34 I have played this tubeThese four US made 7A7 tubes tested as follows on our Paul Hart calibrated TV7 U where minimum (65%) is 44 and 100% is 68: 44, 49, 50 and 55, respectively. WE HAVE SCORES OF THOUSANDS OF VACUUM TUBES. IF IT'S NOT LISTED, WE MAY HAVE IT. PLEASE ALSO SEE OUT ETSY SISTER SITE "LOWTECHELEC" 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