4 US-Made Number / Type 41 #41 Vacuum Tubes Lot Of Four 7R7 Loktal T08o dark gray rounded plates and

dark gray rounded plates and outstanding flashing

Just a few pops and ticks in the quietest passages

It has a bottom

It measured 81/80 where minimum (65%) is 50/50 and 100% is 77/77

It is dead quiet when the preamp is muted and has excellent frequency response and dynamics even though it tests poorly

4 US-Made Number / Type 41 #41 Vacuum Tubes Lot Of Four 7R7 Loktal T08o dark gray rounded plates andThese four US made type number 41 tubes tested as follows on our Paul Hart calibrated TV7 U: 30, 52, 55 and 58 where minimum (65%) is 40 and 100% is 62. 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