Sonotone 6AF4 6AF4A Vacuum Tube NOS NIB Tall Base 6364 6660 they have side

they have side

It measured 48 where minimum (65%) is 36 and 100% is 55

I have played them in my Radio Craftsmen RC-2 monoblocks and they are dead quiet when the SACD player is paused and have excellent frequency response

Their readings are 44

IN OVER OVER 7000 SALES

Sonotone 6AF4 6AF4A Vacuum Tube NOS NIB Tall Base 6364 6660 they have sideThis new old stock, new in box West German manufactured Sonotone 6AF4 6AF4A 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