Home Theater Speaker Projects Using Pre-built Enclosures
Four different home theater speaker combinations using seven enclosure-driver configurations for the Dayton 5 1/4" shielded mid-woofer and the 1 1/8" shielded tweeter. Costs (counting enclosure, drivers, crossover parts, terminals, and ports) range from $108 each for the 0.25 cu.ft. speaker to $165 each for the 1.0 cu.ft. MTM. $670 to $750 for a five speaker system.
0.25 cu.ft. sealed MT main/center Close to optimum box size as is. F3 approximately 90 Hz, Qtc = 0.68
0.25 cu.ft. sealed surround Close to optimum box size as is. F3 approximately 90 Hz, Qtc = 0.68. Dipole/bipole. Requires mounting tweeters on ends of horizontally oriented enclosure.
0.5 cu.ft. vented MT main Close to optimum box size as is. F3 approximately 50 Hz.
0.75 cu.ft. sealed MTM main Box is oversize. F3 approximately 90 Hz, Qtc = 0.61. Add internal MDF blocks to sides and top/bottom to decrease volume to 0.45 for Qtc = 0.707.
0.75 cu.ft. sealed MTM center Box is oversize. F3 approximately 90 Hz, Qtc = 0.61. Add internal MDF blocks to sides and top/bottom to decrease volume to 0.45 for Qtc = 0.707.
0.375 cu.ft. sealed TMMT surround Box is slightly undersize. F3 approximately 90 Hz, Qtc = 0.749. Add stuffing to bring Qtc down to 0.707.
1.0 cu.ft. vented MTM main Box is near optimum size. F3 approximately 50 Hz.
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