The Smart 410 is a 4x10 bass cab designed to finally use a 4x configuration to it's full extent.
Designed by Duke LeJeune as a give back to the DIY bass community, it's a well thought out cab by
one of the premier bass cab designers. Sketchup files are free for personal use, email 410@speakerhardware.com for a copy.
Please allow 14-18 business days for delivery.
Commercial use prohibited except by Speakerhardware for kits under license from Duke LeJeuene. Copyrighted plans.
Smart 410 Flat Pack kit:
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Baltic Birch 1/2 plywood with biscuit joints precut for easy assembly,
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Biscuits included. The internal braces are all attached with pocket screws, which are included.
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All you need for assembly are a screwgun or brad nailer, countersink pilot drill, straight edge and a couple of clamps.
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It is a ready to assemble box.
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Please allow 10-14 business days for delivery.
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Complete Sketchup files. JPG drawings also available. Sketchup strongly recommended
Assuming all 5 ports are open, this is what we can expect at the first overtones of low-E (82 Hz) and low-B (62 Hz),
with the center frequency of any significant bumpage north of 82 Hz given in parentheses.
The more ports plugged, the less low end (at both 82 Hz and 62 Hz), which may be useful to tighten up the low end.
Also included are figures for sealed box mode for those woofers which work well in sealed boxes,
but any of them can be used in "sealed box mode" to deal with a boomy room.
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8 ohm Basslites: -1.8 dB @ 82 Hz, and -3.7 dB @ 62 Hz (no upper bass bumpage)
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16 ohm Basslite SC10-16: +.4 dB @ 82 Hz and -4.1 dB @ 62 Hz (upper bass +2.5 dB @ 120 Hz)
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16 ohm Basslite SC10-16 sealed: -2.4 dB @ 82 Hz and -5.9 dB @ 62 Hz
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32 ohm Basslite SC10-32: +.7 dB @ 82 Hz and -4.6 dB @ 62 Hz (upper bass +3.9 dB @ 120 Hz)
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32 ohm Basslite SC10-32 sealed: -1.4 dB @ 82 Hz, and -5.5 dB @ 62 Hz (upper bass +1.3 dB @ 150 Hz)
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32 ohm Legend B810: +.8 dB @ 82 Hz and - 4.6 dB @ 62 Hz (upper bass +4.6 dB @ 120 Hz)
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32 ohm Legend B810 sealed: -1.0 dB @ 82 Hz and -5.5 dB @ 62 Hz (upper bass +1.8 dB @ 140 Hz)
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4 ohm Legend CA10-4: -1.5 dB @ 82 Hz and -4.4 dB @ 62 Hz
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8 ohm Legend CA10-8: 0 dB @ 82 Hz and -3.5 dB @ 62 Hz (upper bass +1.8 dB @ 140 Hz)
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16 ohm Legend CA10-16: -.8 dB @ 82 Hz and - 4.1 dB @ 62 Hz (upper bass + 1.1 dB @ 140 Hz)
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32 ohm Legend CA10-32: +.5 dB @ 82 Hz and -3.8 dB @ 62 Hz (upper bass +2.7 dB @ 130 Hz)
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32 ohm Legend CA10-32 sealed: -2.5 dB @ 82 Hz and -6.2 dB @ 62 Hz
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4 ohm BP102: +2.4 dB @ 82 Hz and -1.8 dB @ 62 Hz (upper bass +3.3 db @ 110 Hz)
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4 ohm BP102 sealed: -1.1 dB @ 82 Hz and -4 dB @ 62 Hz (upper bass +.8 dB @ 150 Hz)
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8 ohm BP102: +3.8 dB @ 82 Hz and -0.2 dB @ 62 Hz (upper bass +3.8 dB @ 100 Hz)
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8 ohm BP102 sealed: -.4 dB @ 82 Hz and -2.8 dB @ 62 Hz (upper bass +1.1 dB @ 150 Hz)
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4 ohm Deltalite 2510: -1.4 dB @ 82 Hz and - 4.1 dB @ 62 Hz
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8 ohm Deltalite 2510: - .5 dB @ 82 Hz and -3.8 dB @ 62 Hz
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4 ohm Kappalite 3010LF: - 1.2 dB @ 82 Hz and -2.1 dB @ 62 Hz
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8 ohm Kappalite 3010LF: - .4 dB @ 82 Hz and - 1.6 dB @ 62 Hz
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4 ohm Faital 10FE200: -.3 dB @ 82 Hz and -4.4 dB @ 62 Hz (upper bass + 2.2 dB @ 140 Hz)
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8 ohm Faital 10FE200: +1.6 dB @ 82 Hz and -3.8 dB @ 62 Hz (upper bass +4.6 dB @ 120 Hz)
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8 ohm Faital 10FE200 sealed: -.8 dB @ 82 Hz and -5.1 dB @ 62 Hz (upper bass +1.7 dB @ 140 Hz)
The cross-firing array will not be quite as loud on-axis at shorter wavelengths (higher frequencies) as a normal 410.
The net result is that the low end is a little bit louder ON AXIS relative to the rest of the spectrum than would be the case with a conventional 410.
But because the Smart 410 doesn't lose as much off-axis energy at shorter wavelengths to beaming and cancellation,
it's actually putting a little bit more upper frequency energy out into the room, it's just not concentrated where one would normally place the measurement microphone.
