Product overview
300 mm / 12 inch subwoofer with 2 x 2 Ohms or 1 x 2 Ohms voice coil for compact enclosures
Key features
- 2 x 2 Ohms dual voice coil for flexible system configuration
- Extremely stiff, hand-scooped paper cone for outstanding impulse response
- Double ventilated voice coil for minimum compression effects and high power handling
- Long-excursion rubber surround for highest mechanical rating
- Solid push terminals
- Powerful magnet system for compact enclosures
- Rugged magnet cover with HELIX lettering for perfect magnet protection
- Grille and gasket included in delivery
Technical specifications
| Power handling RMS / max. | 300 / 600 Watt |
|---|---|
| Impedance | 2 x 2 Ω |
| DC resistance | 2 x 1.6 Ω |
| Resonance frequency | 32 Hz |
| Mechanical Q factor | 3.70 |
| Electrical Q factor | 0.46 |
| Total Q factor | 0.41 |
| Compliance | 179 μm/N |
| Equivalent air volume | 66 L |
| Force factor | B*I | 13.7 Tm |
| Sensitivity | 93.0 dB @ 2.83V / 1m / 90.0 dB @ 1W / 1m |
| Cone area | 515 cm² |
| Moving mass | 134 g |
| Cone material | Hand-scooped paper cone |
| Mechanical resistance | 7.33 kg/s |
| Voice coil diameter | 50.8 mm |
| Voice coil winding height | 24 mm |
| Max. linear excursion | +/- 8.0 mm |
| Outer diameter | 316 mm / 12.44" |
| Installation diameter | 286 mm / 11.26 |
| Installation depth | 144 mm / 5.67" |
| Net volume (Sealed box) | 22 L |
| Lower limiting frequency (-3dB) (Sealed box) | 40 Hz |
| Recommended DSP settings (Sealed box) | “Self-Define” Highpass: 37 Hz / Q = 1.6; / EQ Filter: 90 Hz / Q = 1.5 / -3 dB |
| Net volume (Vented box) | 30 L |
| Port diameter | 100 mm / 3.94" |
| Port area | 78 cm² |
| Port length | 28 cm / 9.84" |
| Port tuning frequency | Fb | 39 Hz |
| Lower limiting frequency (-3dB) (Vented box) | 39 Hz |
| Recommended DSP settings (Vented box) | “Self-Define” Highpass: 36 Hz / Q = 1.3; / EQ Filter: 100 Hz / Q = 0.85 / -2 dB |
What you are ordering
The exact HELIX model shown above, APEX catalogue SKU K331205. Review the listed inputs, outputs, impedance and system requirements before ordering.
Technical information verified against the official Audiotec Fischer product page.
Reviews
There are no reviews yet.