Matched Pair Sylvania 6AU6 6AU6A Vacuum Tubes ECC81 TV7 The Bottlehead calls for a

The Bottlehead calls for a 12AU7 which is a pretty-different tube

new in box RCA 12AJ6 tube tested to spec on our Paul Hart-calibrated TV7/U

nostalgic Coke bottle shape highlighted by its dark-gray and silver coatings

25 out of ten

Matched Pair Sylvania 6AU6 6AU6A Vacuum Tubes ECC81 TV7 The Bottlehead calls for aThis matched pair of Sylvania 6AU6A tubes was tested on our Paul Hart calibrated TV7 U for shorts, gas and transconductance. There were no shorts or gas. Transconductance measured 66 for Tube One and 70 for Tube Two where minimum (65%) is 58. These tubes have top, O getters; gray plates and excellent flashing. I am playing them in my Musical Paradise MC 3 single ended integrated amplifier (with adapters, not included) with Aimee Mann's seminal