Sylvania 7B8 Vacuum Tube Valve NOS NIB The Pajama Game These tubes were made in

These tubes were made in the same factory and come from that cusp in time after the RCA buyout of Cunningham

Transconductance measured 40

4-17 188-5 and 2-48 188-5 date/provenance codes

46 and 52 where minimum is (65%) is 36 and 100% is 55

I am playing it in my Musical Paradise MC-3 single-ended integrated amplifier with Badfinger's seminal "No Dice" album and they sound terrific

Sylvania 7B8 Vacuum Tube Valve NOS NIB The Pajama Game These tubes were made inThis is a Dutch auction for new old stock, new in box Sylvania 7B8s. You must indicate the quantity you want. Etsy will indicate how many are available. They have been tested on our Paul Hart calibrated TV7 U and all test to spec. WE HAVE SCORES OF THOUSANDS OF VACUUM TUBES. IF IT'S NOT LISTED, WE MAY HAVE IT. PLEASE ALSO SEE OUT ETSY SISTER SITE "LOWTECHELEC" AND OR CALL OR TEXT US AT 202 372 6931 IF YOU DO NOT SEE WHAT YOU NEED OR HAVE ANY