Hi Simon,
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Welcome to the forum. I followed your Tannoy builds a few years back on the Wam, very impressive work indeed.
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I would imagine the horns will be a real challenge for any off the shelf 3 axis machine. Trying to make these in one piece and getting a cutting tool right down into the throat of the horn could be an issue. What sort of diameter are we looking at the bottom of the throat.
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