AudioControl SPK-8S4: 8" 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): 60.4 hz
- Piston area (SD): 0.0 m ²
- Force factor (BL): 11.3 T.M
- Mechanical Q factor (QMS): 5.5
- Electrical Q Factor (QES): 0.9
- Total Q Factor (QTS): 0.8
- Sensitivity 1 W / M (SPL): 82
- Mechanical comp (CMS): 0.1 mm / N
- Moving mass (MMS): 92.4 g
- Linear excursion (XMAX): 8.5 mm
- Volume acoustic comp (VAS): 3.9 L / 0.1 cubic FT
- Reference efficiency (NO): 0.1%
- RMS power (PE): 350 W
- Frequency response: 30 - 500 hz
- Voice coil diameter: 2" / 50.8 mm
- Displacement: 0.1 cubic FT / 1.4 L
In the box:
- SPK-8S4
- Manual
- Warranty
Dimensions:
- Dimensions: 23" W x 11.5" H x 12" D
- Cut out diameter: 7.3" / 184 mm
- Mounting depth: 4.3" / 109 mm
- Mounting height (without and including grille): 0.6" / 14 mm, 1.2" / 30 mm
- Motor diameter (including cover): 5.6" / 141 mm
Ported enclosure:
- External dimensions: 23" W x 11.5" H x 12" D
- Net internal volume: 0.9 cubic FT
- Total internal volume: 1.2 cubic FT
- Gross external volume: 1.8 cubic FT
- Material thickness: 0.8"
- Tuning frequency: 40 hz
- Port area: 17.5 " ²
- Port inlet: 1.8" W x 10" H
- Port length: 28"
- F3 (hz): 34
Sealed enclosure:
- External dimensions: 14.5" W x 10" H x 10" D
- Net internal volume: 0.5 cubic FT
- Total internal volume: 0.5 cubic FT
- Gross external volume: 0.8 cubic FT
- Material thickness: 0.8"
- F3 (hz): 69
- QTC: 0.9
- Enclosure size recommendations do not include driver and / or port 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.