AudioControl SPK-8S4
1/5
Parameters
- Nominal Impedance (Z) 4 ohms
- DC Resistance (Re) ]] 3.2 ohms
- Resonance Frequency (Fs) 60.3665 Hz
- Piston Area (Sd) 0.0194 m2
- Force Factor (BL) 11.3310 T.m
- Mechanical Q Factor (Qms) 5.4933
- Electrical Q Factor (Qes) 0.8733
- Total Q Factor (Qts) 0.7535
- Sensitivity 1W/M (SPL) 81.9876
- Mechanical Comp (Cms) 0.0752 mm/N
- Moving Mass (Mms) 92.3784 g
- Linear Excursion (Xmax) . 8.5 mm
- Volume Acoustic Comp (Vas) 3.9378 Ltr/ 0.1390 Cu ft
- Reference Efficiency (NO.) 0.0952%
- RMS Power (Pe) 350 Watts
- Frequency Response 30-500 Hz
- Voice Coil Diameter 2.0 in/50.8 mm
- Displacement 0.05 cu ft/ 1.44Ltr
In the box:
- SPK-8S4, Manual, Warranty
Dimensions
- Dimensions: 23.00″ W × 11.50″H × 12.00″D
- Cut Out Diameter: 7.25 in/ 184 mm
- Mounting Depth: 4.291in/ 109 mm
- Mounting Height (w/o Grille): 0.55in / 14mm
- Mounting Height (w/ Grille): 1.18in / 30mm
- Motor Diameter (w/ Cover): 5.55in / 141mm
Ported enclosure
- External Dimensions: 23.00″ W × 11.50″H × 12.00″D
- Net Internal Volume: 0.89 ft3
- Total Internal Volume: 1.22 ft3
- Gross External Volume: 1.84 ft3
- Material Thickness: 0.75″
- Tuning Frequency: 40 Hz
- Port Area” 17.50 inch2
- Port Inlet: 1.75″W× 10.00″H
- Port Length: 28.00″
- F3 (Hz): 34
Sealed enclosure
- External Dimensions: 14.50″ W × 10.00″H × 10.00″D
- Net Internal Volume: 0.49 ft3
- Total Internal Volume: 0.54 ft3
- Gross External Volume: 0.84 ft3
- Material Thickness: 0.75″
- F3 (Hz): 69.04
- Qtc: 0.86
*Enclosure size recommendations do not include driver and/or port displacement