The Simplexx Series by Bill Fitzmaurice are the perfect combination of performance and ease of construction.
These cabinets can be built by anyone, minimal tools required
SpeakerHardware kits make them a painless start for the beginning builder, or the experienced one who needs simple high performing speakers.
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Simplexx cabs feature braced half-inch plywood construction, for better performance with lighter weight than commercial cabs.
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All feature corner located ports, for stronger construction with less weight than round or slot ports
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Corner ports also sound better than round or slot ports, as their placement equalizes air pressure inside the cabinet, preventing cone rock at high levels.
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These cabs aren’t difficult to build, but they still feature engineering that even ‘boutique’ cabs can’t lay claim to.
Complete details and plans are available from 
Simplexx 12 DIY Speaker Kits
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Power handling: Driver dependent. See options in drop down box for driver selection
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Response: 40-18k
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Dimensions: 20inw x 17inh x 15ind Single Driver
30w x 33h x 15ind Dual Driver
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Weight: Approx 45lbs, single driver. 50-55lbs, dual driver
dependent on driver and hardware.
Complete details and plans are available from
Simplexx 12 Bass/Keys Driver Kit Includes:
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6 drivers to choose from.
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Eminence BGH25-8/APT50 Tweeter with or without lpad
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All crossover parts to spec, parts or prebuilt by SpeakerHardware.
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All parts are tested and confirmed by the SpeakerHardware shop to fit a Simplexx.
Simplexx 12 2512 Bass Cab
