3 RCA 12AV7 Vacuum Tubes Valves NOS NIB Lot Of Three

3 RCA 12AV7 Vacuum Tubes Valves NOS NIB Lot Of ThreeThis lot of three new old stock, new in box RCA 12AV7 tubes 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

These tubes have great bass and sparkling highs and Pete Ham's voice is warm and clear as a bell

we have another Pajama Game listing for the time being

EIA Factory Codes: Raytheon logos

This lot of five GE 12CR6 tube tested to spec on our Jackson 648 Mutual Conductance tester and come in a sleeve

This new old stock-TESTING matched pair of Sylvania silver top 6K6GT tubes was tested on our Maxi-Matcher tube tester with 325 volts on the plates and a bias of -36 volts for shorts

There were no shorts or gas and they measured as follows:

Transconductance measured 44 and 48 where minimum (65%) is 35

Converter 12BE6

new in box GE 12DK7 tubes tested to spec on our Paul Hart-calibrated TV7/U

Tube One has some oxide flaking

Transconductance measured 44 and 46 where minimum (65%) is 30

The dust jacket is in nice condition