Product Code: 27065 Price: Check Latest ORION C2 Series C2124  12" subwoofer C2 Series 12" 500 Watt Dual Voice Coil 4 Ohm Subwoofer It’s all about guts, and C-series boasts improved performance along with a sweet new look, with Orion-branded magnet covers that tell the world that – great value aside – Orion woofers are large and in charge! Power handling is 400 watts peak for the 10, and 500 for the 12 so look out – these are subs that hammer and are built to be hammered, so bring it on! Optimized for great performance in typical boxes of all types. Fs (free-air resonance, Hz) 39.59 Vas (equivalent compliance, cu. ft.) 1.45 Vas (equivalent compliance, liters) 41.27 Qms (Q, mechanical) 6.13 Qes (Q, electrical) 0.8 Qts (total driver Q) 0.71 Re (DC resistance, ohms) 6.8 Z (nominal impedance, ohms) 2.8 Le (inductance, mh) 2.15 Efficiency (1W @ 1M, dB) 86.98 Xmax (one way linear excursion, in.) 0.4 Xmax (one way linear excursion, mm) 10.3 Pe (continuous power handling, watts) 200 Peak power handling (music, watts) 400 Mms (total moving mass, grams) 139.32 Cms (mechanical compliance, mm/N) 116 Bl (motor strength, Tesla-M) 17.12 Sd (effective radiating area, sq. m.) 0.0506 Sd (effective radiating area, sq. in.) 78.43 Frequency range (Hz) 30-2.5k Energy Bandwidth Product (EBP) 49.49 Driver Physical Dimension Mounting hole diameter (inches) 11 Mounting depth (inches *) 5.25 Basket diameter (inches) 12.25 Recommended Enclosures Typical sealed enclosure (cu. ft.) 1.75 SPL sealed enclosure (cu. ft.) 0.85 Low Qtc sealed enclosure (cu. ft.) 2.5 Vented enclosure (cu. ft.) 1.15 Port tuning frequency (Hz) 40hz Port diameter (inside, in.) 4 Equivalent square port (in.) 3.54x3.54 Port length (in.) 5.15 Enclosure Details 1. External dimensions calculated for 3/4" building material 2. Includes port and speaker displacement 3. Volumes given are net tuning volume