| RCF LF12X401 - HIGH POWER 12" WOOFER | 
| STRONG INTENSE BASS WITH VERY LOW DISTORTION! | |
| 
     | No Longer Available | 
| 
        WOOFER
        MODEL | LF12X401 | 
| SPECIFICATIONS | |
| Nominal
        Basket Diameter | 12" | 
| Impedance | 8
        ohms  | 
| 
		AES
        Power Rating | 
		1,000
        Watts | 
| Program Power | 2,000
        Watts | 
| Frequency
        Response | 
		45Hz
        - 1.5kHz | 
| Sensitivity
        (1W/1m) | 96dB | 
| Voice
        Coil Diameter | 
		4"
        / 100mm | 
| X Damage (peak to peak) | 50mm/1.97" | 
| CABINET SPECIFICATIONS | |
| Enclosure Volume | 56.64Liters/2.0cu. ft. | 
| Tuning Frequency | 48Hz | 
| Slot Vent Opening | 14.5" Wide x 1.625" Height | 
| Vent Depth | 13.5" | 
| MATERIALS | |
| Cone | No Pressed Pulp | 
| Voice Coil Material | Copper | 
| Diaphragm Material | Paper | 
| Surround Material | Polycotton | 
| Surround Shape | Triple Roll | 
| MOUNTING INFORMATION | |
| Overall
        Diameter | 12.6" / 320mm | 
| Bolt Circle Diameter | 11.5"-12.0" / 293-304mm | 
| Baffle
        Cutout Diameter | 11.1" / 282mm | 
| No. Of Mounting Holes | 8 | 
| Mounting Hole Diameter | 0.3" / 6.5mm | 
| Volume Occupied By Woofer | .098cu. ft. | 
| Overall Depth | 4.68" / 119mm | 
| Net Weight | 12.2 kg. / 26.84 lbs. | 
| Shipping Weight | 12.8 kg. / 28.4 lbs. | 
| THIELE-SMALL PARAMETERS | |
| Resonant Frequency (fs) | 45 Hz | 
| Impedance
        (Re) | 5.2 ohms | 
| Coil Inductance (Le) | 2.1mH | 
| Mechanical Q (Qms) | 8.0 | 
| Electrical Factor(Qes) | .28 | 
| Total Q (Qts) | .27 | 
| Diaphragm Mass (Mms) | 105g | 
| BL Factor (BL) | 26.1 T-M | 
| Compliance Equivalent Vol. (Vas) | 50 Liters/1.77cu. ft. | 
| Voice Coil Overhang (Xmax) | 8.8mm | 
| Surface Area of Cone (Sd)m2 | 0.053m2 | 
| Reference Efficiency | 1.5% | 
| FREQUENCY RESPONSE CURVE | |
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| IMPEDANCE CURVE | |
|  | |
| MOUNTING DIMENSIONS | |
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US Speaker, LLC