RCA 6080 / 6AS7 Vacuum Tube Valve NOS-Testing For Your Bottlehead The Tubes SP-4534

RCA 6080 / 6AS7 Vacuum Tube Valve NOS-Testing For Your Bottlehead The Tubes SP-4534This RCA 6080 6AS7 dual triode output tube was tested on our Paul Hart calibrated TV7 U for shorts, gas and transconductance. There were no shorts or gas. Transconductance measured 68 64 where minimum (65%) is 36 36. I have played it in my Bottlehead Crack headphone amp and it sounds great, with a very low noise floor and excellent soundstaging, dynamics and frequency response. BECAUSE OF THE BIZARRE, INTRUSIVE AND DRACONIAN GERMAN PACKAGING

IN OVER 9000 SALES

allowing the listener to focus on every particular aspect of this album's vocalists and arrangements

This book -- and its dust jacket -- is in very good condition

5 inches in circumference

Transconductance was 1890 for Tube One and 2000 for Tube Two where new/nominal is within one standard deviation of 1900

new in box GE 12FX8A tubes tested to spec on our Paul Hart-calibrated TV7/U

67 and 74 where minimum (65%) is 53

but also because if it is a brand other than RCA

new in box Hytron 6AD7G tube tested to spec on our Paul Hart-calibrated TV7/U

72 and 88 where minimum (65%) is 33 and 100% is 50

This lot of four Tung-Sol 6AC7s was tested on our Paul Hart-calibrated TV7/U for shorts

I would rate it a 6