13 US-Made 7F7 Vacuum Tubes Lot Of Thirteen

13 US-Made 7F7 Vacuum Tubes Lot Of ThirteenThis lot of thirteen US made 7F7 tested poorly and or unevenly on our Paul Hart calibrated TV7 U. Most should work in non critical applications and others might sound great. Minimum (65%) is 33 and 100% is 51 51. The readings are on the tubes' tops. 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

They tested 58 and 63 where minimum (65%) is 40

but I would step it up to an 8 or so as this sound striping recording is truly cutting edge

black T plates and a bottom

This album was cleaned on my VPI 16

Fortunately the wire is still there and replacing the pin should not be too difficult

THERE WILL BE NO REPLACEMENTS FOR LOST PACKAGES OR TUBES THAT FAIL

These tubes have black and silver bottles

with a very low noise floor and excellent soundstaging

This is a testament to their high emissions

I am playing it in one of my ArtSound single-ended amplifiers with Steely Dan’s seminal "Aja" album

new in box Tung-Sol 12SJ7 tubes tested to spec on our Paul Hart-calibrated TV7/U

where minimum (65%) is 36 and 100% is 55