I'm new to tubes, so I'm trying to learn as much as possible. I'm trying to find out what the extra letters on the tube model number mean, i.e., 12AX7WA. How is the 12AX7WA different from the 12AX7 and the 12AX7A?
Jim and Dekay, thanks for the advice; I will take both of you suggestions and see if I can make sense of this business. So far, it's a great learning experience!
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