4 US-Made 6211 Vacuum Tubes Lot Of Four Sylvania NOS NIB These tubes have great bass

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

likely Tung-Sol-MANUFACTURED) measured 31 while Tube Two (no silkscreening 6AK5-LABELED

This new in box JJ 6BQ5 was tested on our Maxi-Matcher with 325 volts on the plates and a bias of -14 volts for shorts

new in box Westinghouse 12EH5 tubes

IN NEARLY 9000 SALES

4 US-Made 6211 Vacuum Tubes Lot Of Four Sylvania NOS NIB These tubes have great bassThis quad of US made 6211 dual triodes was tested on our Hickok 800 for shorts, gas and transconductance. There were no shorts or gas. Transconductance measured 2000 1900 micromhos for Tube One and 2000 2000 micromhos for Tube Two. Tubes Three and Four measured 2400 2650 and 2800 3200, respectively. (New 6211s typically test within one to 1. 5 standard deviations of 3600 micromhos and tend to be rather erratic readings wise like their 12AT7 cousins).