AudioControl SPK-12S4: 12" 4 Ω Spike-Series Single Subwoofer
- In stock, ready to ship
Specifications:
Thiele / small parameters:
- Nominal Impedance (Z): 4 ohms
- DC resistance (RE): 3.2 ohms
- Resonance frequency (Fs): 40.4 hz
- Piston area (SD): 0.1 m ²
- Force factor (BL): 13.7 T.M
- Mechanical Q factor (QMS): 6.9
- Electrical Q factor (QES): 0.8
- Total Q factor (QTS): 0.7
- Sensitivity 1 W / M (SPL): 85.5
- Mechanical comp (CMS): 0.1 mm / N
- Moving mass (MMS): 190.3 g
- Linear excursion (XMAX): 14 mm
- Volume acoustic comp (VAS): 27.4 L / 1 cubic FT
- Reference efficiency (NO): 0.2% RMS
- Power (PE): 500 W
- Frequency response: 20 - 200 hz
- Voice coil diameter: 2.5" / 63.5 mm
- Displacement: 0.1 cubic FT / 2.5 L
In the box:
- SPK-12S4
- Manual
- Warranty
Dimensions:
- Overall dimensions: 12.8" / 324 mm
- Cut out diameter: 11.1" / 282 mm
- Mounting depth: 6.1" / 156 mm
- Mounting height (without and including grille): 0.7" / 17.3 mm, 1.4" / 36.5 mm
- Motor diameter (including cover): 6.4" / 163 mm
Ported enclosure:
- External dimensions: 24" W x 15" H x 14.3"D
- Net internal volume: 1.8 cubic FT
- Total internal volume: 2.2 cubic FT
- Gross external volume: 3 cubic FT
- Material thickness: 0.8"
- Tuning frequency: 39 hz
- Port area: 27" ²
- Port inlet: 2" W x 13.5" H
- Port length: 20.8"
- F3 (hz): 30
Sealed enclosure:
- External dimensions: 18" W x 15" H x 10" D
- Net internal volume: 1 cubic FT
- Total internal volume: 1.1 cubic FT
- Gross external volume: 1.6 cubic FT
- Material thickness: 0.8"
- F3 (hz): 52.8
- QTC: 1
- Enclosure size recommendations do not include driver and / or displacement
Orders are typically processed and Shipped within 1 - 2 business days. Delivery usually takes 7 - 15 business days via Canada post, FedEx, or UPS.