RCA Clear Top 6211 Vacuum Tube For Your Bottlehead February 10 2022 In addition

In addition

They tested 50/46 and 52/45 where minimum (65%) is 40/45 and 100% is 62/69

new in box 956 tubes tested to spec on our Paul Hart-calibrated TV7/U

5 volts with adapters (not included) and they sound tremendous even though they straddle the cusp and are running with a lowered filament voltage

This milspec / industrial-grade Sylvania JAN-CHS-5932 / 6L6WGA output tube was tested on our Maxi-Matcher 2 for shorts

RCA Clear Top 6211 Vacuum Tube For Your Bottlehead February 10 2022 In additionThis RCA clear top 6211 dual triode was tested on our Hickok 800 for shorts, gas and transconductance. There were no shorts or gas. Transconductance measured 3200 3100 micromhos. (New 6211s typically test within one to 1. 5 standard deviations of 3600 micromhos like their 12AT7 cousins). It was also tested on our Maxi Preamp II (as a 12AT7) for shorts, gas, dynamic range, transconductance and gain. There were no shorts, noise or gas and it tests as