Jack 12 is a Jack of All Trades speaker line:
small, versatile, light

• It can be built as an old-school woofer only electric bass cab.
• It can be built as a modern full range bass or keyboard cab. It cab be built with one or two woofers.
• It can be used as a PA top along with subs, it can be used as a full range PA without subs.
• It can be outfitted with a 120 degree dispersion melded tweeter array, or a vertically aligned compression driver loaded high frequency diffraction horn. 
• It can be used one per side for small room PA needs, it can be vertically stacked in a line array for thousand seat venues.
• If maximum versatility is what you need from a speaker of minimum size and weight, not to mention cost, Jack 12 is the cab you want.

Complete details and plans are available from

Specifications

• Dispersion with Piezo melded arrays:        120 degrees
• Dispersion with  Diffraction Comp Horn: 100 Degrees
• Power handling: Driver dependent. See options in drop down box for driver selection
• Response:  60-18k
• Dimensions: 18in x 21in x 19in
• Weight: Approx 40-45lbs, dependent on driver and hardware.
• Jack12 Lite Weight:  Approx 30-35lbs, dependent on driver and hardware.

Kit Contents

Jack 12 Deluxe Kit:

• Choose from 5 Eminence Speakers
• Goldwood GT1016 Piezo Tweeters
• All the crossovers, parts only or custom built by SpeakerHardware technicians
• 8 Protective corners, choose from Small Chevrons, or 1824 Metal Corners Black or Chrome
• 3 Styles of handles available.
• 1 Dish with connectors, gasket, (except D023K), all the jacks, screws and bolts, 4 styles
• 1 tube PL Premium Polyurethane Adhesive
• 5 ft connector wire
• 10 ft gasket tape
• Every screw, nut, bolt, and washer required for construction in the correct quantities
• to build the cab.

Response Graphs

Jack 12 Piezo