National Union NU 6Y7 6Y7G Vacuum Tube Valve NOS NIB Shoulder Coke Bottle Style 7771

National Union NU 6Y7 6Y7G Vacuum Tube Valve NOS NIB Shoulder Coke Bottle Style 7771This new old stock, new in box National Union 6Y7G 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 TO

new in box National Union 14X7 -- and another just like it -- tested to spec on our Paul Hart-calibrated TV7/U

These tubes were made in the Owensburo

Bass is excellent and very deep

I listened to them in one of my Radio Craftsmen RC-2 monoblock amplifiers with U2's "Achtung Baby" and they sounded great

(New US-made 6V6s typically test with plate current from the mid-teens to mid-thirties with transconductance from 2300 micromhos or so

Raytheon CK1123 Raysistor Control Circuit NOS NIB

4 milliamps' plate current while Tube Two drew 21

This lot of two Philco new old stock-testing Majestic gray and silver bottle type / number 38 tubes tested 44 and 49 on our Paul Hart-calibrated TV7/U where minimum (65%) is 26 and 100% is 40

Top: crenelated

58 and 67 where minimum (65%) is 48

I will establish that parameter

new in box Westinghouse 6X4 tested to spec on our Paul Hart-calibrated TV7/U