About the Memphis Audio MOJO1212
A setup that won't let up
A setup that won't let up
Memphis Audio's been living by the river for over 50 years now, and they've learned a thing or two about bringing the beat to the street. Their new MOJO 7 Series subs are designed to give you the impact you expect, delivering awesome output while also offering selectable impedance. A patented voice coil switching system lets you choose 1-ohm or 2-ohm impedance using the color-coded jumpers included with the sub, maximizing your options for adding additional subs or amps.
Bringing the heat to the street
With power handling up to 1500 watts RMS, this sub will lay down low end they'll hear all the way down Beale Street. It's built to beat the heat, with a cast-aluminum basket that's vented to keep the 3.5" aluminum triple voice coil cool when the music gets hot. A double-stitched folded rubber surround gives the sub additional excursion without giving up cone area, and combines with a reinforced spider to keep the polypropylene cone pumping out the bass.
With an optimal sealed box volume of only 1.5 cubic feet, the MOJO 1212 gives you a space-to-impact ratio that's hard to beat. When you think you've heard it all, Memphis Audio's MOJO 7 Series subs bring the beat back home, giving you installation options you've never had before with the kind of power that'll rattle the windows of your mind.
- 12" component subwoofer with selectable 1- or 2-ohm impedance
- lightweight polypropylene cone
- double-stitched folded rubber surround
- vented cast aluminum basket
- 3.5" aluminum triple voice coil
- reinforced spider
- power handling: 1500 watts RMS (3000 watts peak)
- sensitivity: 83.5 dB (1 ohm); 84 dB (2 ohms)
- top-mount depth: 8.74"
- sealed box volume: 1.5 cu. ft.
- ported box volume: 2.5 cu. ft.
- cutout diameter: 10.79"
- grille not included
- warranty: 1 year
- Our 60-day money-back guarantee
- MFR # MOJO1212
What's in the box:
- One 12" Subwoofer
- Rubber trim ring/gasket (installed)
- One 2-ohm jumper wire (installed)
- Two 1-ohm jumper wires
- Spec sheet
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More details on the Memphis Audio MOJO1212
Features & specs
|Cone Material||Reinforced Pressed Paper w/Gla|
|Ideal Sealed Box Volume (cubic feet)||1.5|
|Ideal Ported Box Volume (cubic feet)||2.5|
|Port diameter (inches)||N/A|
|Port length (inches)||N/A|
|Dual Voice Coil||No|
84 dB at 1 watt |
|Frequency Response||32 - 150 Hz|
|Max RMS Power Handling||1500|
|Peak Power Handling (Watts)||3000|
|Top Mount Depth (inches)||8 3/4|
|Bottom Mount Depth (inches)||N/A|
|Cutout Diameter or Length (inches)||10 3/4|
|Parts Warranty||1 Year|
|Labor Warranty||1 Year|
Terminals: One pair of spring-post input terminals offers easy connection of pin connectors or bare wire up to 10-gauge. They will also accommodate many single banana plugs, but the post is slightly recessed, so some banana plugs will not fit well. The binding posts are spaced too far apart to accept standard dual banana plugs (¾").
Selectable Impedance: On the opposite side of the basket from the input terminals, there are four "shorting" spring terminals. Depending on how the included jumper wires are connected to these shorting terminals, the input terminals present either a 1Ω or 2Ω load. The power handling is the same for either setting; 1,500 watts RMS/3,000 watts peak.
Sealed Enclosures: Sealed enclosures provide the most control over a woofer and provide accurate sonic reproduction, making them suitable to all types of music. Memphis Audio recommends a sealed enclosure of 1.5 ft³.
Vented Enclosures: Vented (or ported) enclosures typically provide better overall efficiency than sealed so they are suitable for use with smaller amplifiers, giving you more bass output from a given amount of power. Memphis Audio recommends a ported enclosure of 2.5 ft³ with a 5" x 5" x 27" slot port, yielding a tuning frequency of 36 Hz.
Thiele Small Parameters: Some specs change depending on the impedance:
|DC Resistance (Revc)||1Ω||1.9Ω|
|Resonant Frequency (fs)||36 Hz||36 Hz|
|Mechanical Q (Qms)||8.18||8.16|
|Electrical Q (Qes)||0.81||0.68|
|Total Q (Qts)||0.737||0.63|
|Sensitivity||83.5 dB||84 dB|
|Xmax||0.77" (19.56mm)||0.77" (19.56mm)|
|Vas||18.27 liters||18.27 liters|
|Moving Mass (Mms)||372 g||372 g|
|Suspension Compliance (Cms)||0.054 mmN||0.054 mmN|
|Effective Piston Area (Sd)||490.84 cm²||490.84 cm²|
|Motor Strength (Bl)||11.02 Tm||16.62 Tm|
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