Audio Control SPC-10S4 subwoofer

SPACE SERIES 10″ low-profile subwoofer, single 4 Ω voice coil.

TECHNICAL DATA:

• Nominal impedance (Z): 4 Ω
• DC resistance (Re): 3,2 Ω
• Resonant frequency (Fs): 37.3460 Hz
• Piston area (Sd): 0,0330 m²
• Strength factor (BL): 14.0082 T.m
• Mechanical Q-factor (Qms): 2,8618
• Electric Q factor (Qes): 0,4044
• Total Q factor (Qts): 0,3543
• Sensitivity 1W/M (SPL): 87.2957 dB
• Suspension mechanical compliance (Cms): 0.1719 mm/N
• Vibrating mass (Mms): 105,6787 g
• Linear swing amplitude (Xmax): 9 mm
• Acoustic equivalent volume (Vas): 26.1432 L / 0.923238 cubic feet
• Reference efficiency (NO.): 0,32%
• RMS power (Pe): 400 W
• Frequency response: 20-250 Hz
• Voice coil diameter: 2.5 inches / 63.5 mm
• Displacement volume: 0.045 ft³ / 1.275 L

DIMENSIONS:

• Overall diameter: 10.39 inches / 264 mm
• Mounting hole diameter: 9.13 inches / 232 mm
• Installation depth: 3.5 inches / 89 mm
• Mounting height (without cover): 0.71 inch / 18 mm
• Installation height (with cover): 1.22 inches / 31 mm

BASS-REFLEX HOUSING (TUNED):

• External dimensions: 24.00″ W × 14.50″ H × 12″ D.
• Net internal volume: 1.40 ft³
• Total internal volume: 1.75 ft³
• Gross external volume: 2.38 ft³
• Material thickness: 0,75″
• Tuning frequency: 40 Hz
• Port area: 22.75 inches²
• Port inlet: 1.75″ W × 13″ H.
• Port length: 22,25″
• F3 (Hz): 34

CLOSED CASE:

• External dimensions: 26″ W × 14.50″ H × 5.00″ D.
• Net internal volume: 0.60 ft³
• Total internal volume: 0.65 ft³
• Gross external volume: 1.09 ft³
• Material thickness: 0,75″
• F3 (Hz): 60
• Qtc: 0,703

*Case size recommendations do not take into account the volume occupied by the loudspeaker and/or port.

FEATURES:

• Low-profile, shallow-mount subwoofer
• Injection-moulded polypropylene membrane with fibre matrix
• Weatherproof construction
• Three-layer voice coil casing resistant to high temperatures
• Optimum thermal performance
• Sealed rubber gasket to protect the inside of the case
• Removable subwoofer cover included