Audio Control SPK-10S4 subwoofer

10″ subwoofer from the SPIKE series. Single, 4-ohm high efficiency.

FEATURES

• High tilt design for ultra-low frequencies

• Mica-reinforced paper fibre membrane

• 3-layer coil casing with high thermal resistance

• Dual damping system for linear bass reproduction

• Double dust cover system for housing pressure control

• Powerful and robust drive system

• Removable subwoofer grille included

SPECIFICATIONS/PARAMETERS

• Nominal impedance (Z): 4 ohms
• DC resistance (Re): 3.2 ohms
• Resonant frequency (Fs): 41.2638 Hz
• Piston area (Sd): 0,0314 m²
• Driving force (BL): 13.6742 T-m
• Mechanical Q-factor (Qms): 4,83
• Electric Q factor (Qes): 0,6576
• Total Q factor (Qts): 0,5788
• 1W/1M sensitivity (SPL): 83.7199 dB
• Mechanical susceptibility (Cms): 0.1004 mm/N
• Mobile mass (Mms): 148,1991 g
• Linear swing (Xmax): 14 mm
• Acoustic compensation volume (Vas): 13.8342 l / 0.4885 ft³
• Reference efficiency (NO.): 0.1419% RMS
• Power (Pe): 500 W
• Frequency response: 20-200 Hz
• Coil diameter: 2.5 inches / 63.5 mm
• Displacement volume: 0.0626 ft³ / 1.771 l

DIMENSIONS

• Overall dimensions: 10.748 inches / 273 mm
• Mounting hole diameter: 9.25 inches / 234 mm
• Mounting depth: 5.32 in / 135 m
• Mounting height (without bezel): 0.59 in / 15 mm
• Mounting height (with bezel): 1.30 inches / 33 mm
• Motor diameter (with guard): 6.41 in / 163 mm

BASS-REFLEX HOUSING

• External dimensions: 24.00″ (W) × 13.00″ (H) × 11.25″ (D)
• Net internal volume: 1.01 ft³
• Total internal volume: 1.36 ft³
• Gross external volume: 2.03 ft³
• Material thickness: 0.75″
• Tuning frequency: 37 Hz
• Port area: 17.25 in²
• Port inlet: 1.50″ (W) × 11.50″ (H)
• Port length: 28,50″
• F3 (Hz): 30

CLOSED CASE

• External dimensions: 20.00″ (W) × 13.00″ (H) × 11.00″ (D)
• Net internal volume: 1.11 ft³ (cubic feet)
• Total internal volume: 1.17 ft³
• Gross external volume: 1.66 ft³
• Material thickness: 0.75″
• F3 (Hz): 45,96
• Qtc: 0,705