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40 mm loudspeaker envelope

40 mm loudspeaker envelope: front rim Ø40 × 3 (cone side at z = 0), Ø34 × 4, basket Ø28 × 10, magnet Ø20 × 8; 25 overall

Exact dimensions. True size, no printing tolerance added. Threads are plain cylinders at the major diameter.

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From the full sheet

40 mm loudspeaker envelope: every size, notes, mating features and sources. What are the dimensions of a 40 mm speaker?