Tung-Sol 12au7 Black Plates Black Glass


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1 thought on “Tung-Sol 12au7 Black Plates Black Glass

  1. Did you know that there are two versions of Tung-Sol 12au7 Black Glass??? I didn’t. There is the old version with Black Plates and newer version with Gray Plates. Unfortunately because of black glass, it’s practically impossible to differentiate between the two version, but if you are buying Black Glass – definitely go for the black plates version. The sound of the two is quite different and I bet all the great reviews of the tube is coming from black plates version. Black plates is more open, with more transparency and details and much sweeter HF. Both tubes are very dynamic, but the black plates version just seems to be more capable and punchier. HIGHLY RECOMMENDED.

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