Matched Pair RCA 12SL7 12SL7GT Black Plate Clear Bottle Vacuum Tubes NOS NIB 6BS8 Nonal T22 sheet getter

sheet getter

5 record cleaner and then played it on my Rega Planar 3

(New 12AU7s typically test within one standard deviation of 2200 micromhos

These tubes are very-well-built and extremely-rugged

Etsy will indicate the quantity remaining

Matched Pair RCA 12SL7 12SL7GT Black Plate Clear Bottle Vacuum Tubes NOS NIB 6BS8 Nonal T22 sheet getterThis new old stock, new in box, perfectly matched pair of RCA black plate, clear bottle 12SL7GT dual triodes was tested on our Paul Hart calibrated TV7 U for shorts, gas and transconductance. There were no shorts or gas and they test as follows: Tube One Transconductance: 45 45 Tube Two Transconductance: 45 45 12SL7 bogey: Minimum (65%) is 32 32 and 100% is 49 49 Physical Characteristics: Bases: tall Bottles: medium height Date Codes: 1 43 and NK EIA