Description
Subwoofer Description
The Level 4 m4 is a step forward in SQ and heat dissapation vs the last genaration model (m3). It now comes with a 2.5mm Aluminum Shorting ring (demodulation ring) to help reduce inductance in the motor. This can help with power compression.
It also acts as a internal heatsink by pulling heat from the windings into the aluminum ring and the direct to coil venting cycles air across the coil wingings and aluminum shorting ring at the same time cooling them simultaneously.
Newly tooled Motor boots withthe DC Logo and LV4 logo embossed on them
With fantastic power handling and smashing lows its hard to beat.
The Level 4 sub is a large triple stacked motor with a chrome top plate and T yoke yielding 23.5mm of X-Max.
Furthermore, you get the upgraded triple progressive spiders, cone, surround, 3" coil, cast basket, push terminals and upgraded lead wire sewn to the spider. This sub is rated at 1500w RMS and 3000w peak.
Key Features
• Extremely rigid non-pressed paper cone assembly
• Multilayered polymer foam stitched surround
• Polypropylene dust cover with DC logo
• Triple 8” OD semi cup progressive roll spider
• Extra heavy duty interweaved tinsel lead wire sewn to spider
• Cast aluminum black frame / no invert mount
• FEA analyzed and optimized motor assembly – Fully CNC machined
• Rubber mounting gasket
• Chrome spring loaded push terminals
• 3” Hi-temp Aluminum voice coil wound on black anodized voice coil former 8 Layer Flat Wound
• Rubber magnet cover with DC and Lv4 Logos
5mm Aluminum Shorting ring
| M4 Level 4 Subwoofer | 10" | 12" |
|---|---|---|
| Mounting Depth | 6.25" | 6.75" |
| Mounting Hole Diameter | 9.35" | 11" |
| Outside Driver Diameter | 11" | 12.5" |
| VC Diameter | 3.0" | 3.0" |
| Displacement | .16 ft³ | .18 ft³ |
| Power Handling rms/peak | 1500/3000 | 1500/3000 |
| Ohm Options | d1/d2/d4 | d1/d2/d4 |
| Sd | 324 cm² | 418 cm² |
| Vas | 00.00 L | 17.42 L |
| Cms | 0.000 Mm/n | 0.058 Mm/n |
| Mms | 000.0 g | 232.74 g |
| Fs | 00.0 Hz | 43 Hz |
| Bl | 28.49 N/A | 28.49 N/A |
| Re | 8.6 Ohm | 8.6 Ohm |
| Le | 0.00 mH | 5.62 mH |
| Qms | 0.00 | 7.92 |
| Qes | 0.00 | 0.66 |
| Qts | 0.000 | 0.615 |
| Xmax | 23.5mm | 23.5mm |
| Ref SPL @1 watt | 84 db | 84.94 db |
| Suggest Sealed Box | .75 ft³ | 1.0 ft³ |
| Suggested Ported Box | 1.0 ft³ | 1.5 ft³ |
| M4 Level 4 Subwoofer | 15" | 18" |
|---|---|---|
| Mounting Depth | 8" | 9.5" |
| Mounting Hole Diameter | 14.0" | 16.75" |
| Outside Driver Diameter | 15.7" | 18.5" |
| VC Diameter | 3.0" | 3.0" |
| Displacement | .21 ft³ | .26 ft³ |
| Power Handling rms/peak | 1500/3000 | 1500/3000 |
| Ohm Options | d1/d2/d4 | d1/d2/d4 |
| Sd | 823 cm² | 1217 cm² |
| Vas | 00.00 L | 000.00 L |
| Cms | 0.000 Mm/n | 0.000 Mm/n |
| Mms | 000.0 g | 000.0 g |
| Fs | 00.0 Hz | 00.0 Hz |
| Bl | 00.0 N/A | 00.0 N/A |
| Re | 8.6 Ohm | 8.6 Ohm |
| Le | 0.00 mH | 0.00 mH |
| Qms | 00.0 | 00.0 |
| Qes | 0.000 | 0.000 |
| Qts | 0.00 | 0.001 |
| Xmax | 23.5mm | 23.5mm |
| Ref SPL @1 watt | 00.0 db | 00.0 db |
| Suggest Sealed Box | 2.0 ft³ | 3.5 ft³ |
| Suggested Ported Box | 3.0 ft³ | 5.5 ft³ |
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