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GE JAN 12AT7WA vacuum tube
GE JAN 12AT7WA (6201) vacuum tube
This early 1970s military spec General Electric [GE] 6201 [a.k.a JAN-12AT7WA] tube has gray wing plates with copper grid posts, extra support rods, and a large halo getter. The green label has the GE logo with "JAN-12AT7WA", designating that this tube was purchased by the US military. Overall, this American made tube is a step up from the standard 12AT7, and includes the original factory etched 6201 on the glass.