SPC 12S4 Audio Control

$259.99
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SPC 12S4 Audio Control
This item: SPC 12S4 Audio Control
$259.99
$259.99
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thiele/small parameters

Nominal Impedance (Z)               4 ohms

DC Resistance (Re) ]]                    3.2 ohms

Resonance Frequency (Fs)          30.7061 Hz

Piston Area (Sd)                            0.0511 m2

Force Factor (BL)                          12.4924 T.m

Mechanical Q Factor (Qms)        3.7494

Electrical Q Factor (Qes)             0.5764

Total Q Factor (Qts)                     0.4996

Sensitivity 1W/M (SPL)                87.3024

Mechanical Comp (Cms)             0.1844 mm/N

Moving Mass (Mms)                    145.7101 g

Linear Excursion (Xmax)           9 mm

Volume Acoustic Comp (Vas)    67.1494 Ltr/2.371348 cu ft

Reference Efficiency (NO.)         0.32% RMS

Power (Pe)                                    400 Watts

Frequency Response                   20-250 Hz

Voice Coil Diameter                    2.5 in/63.5 mm

Displacement                              0.0619 cu ft/1.752 Ltr

 

in the box: 

SPC-12S2, Manual, Warranty

dimensions

  • Overall Dimensions: 12.37 in/316 mm
  • Cut Out Diameter: 11.10 in/282 mm
  • Mounting Depth: 3.94 in/100 mm
  • Mounting Height (w/o Grille): 0.71 in / 18mm
  • Mounting Height (w/ Grille): 1.42 in/36mm

ported enclosure

  • External Dimensions: 24.00″ W × 15.00″H × 15.00″D
  • Net Internal Volume:  2.02 ft3
  • Total Internal Volume:  2.28 ft3
  • Gross External Volume:  3.01 ft3
  • Material Thickness: 0.75″
  • Tuning Frequency: 40 Hz
  • Port Area” 27.00 inch2
  • Port Inlet:  2.00″W× 13.50″H
  • Port Length:  16.25″
  • F3 (Hz):  40

sealed enclosure

  • External Dimensions: 32″ W × 15.00″H × 7.00″D
  • Net Internal Volume:  1.25 ft3
  • Total Internal Volume: 1.31 ft3
  • Gross External Volume: 1.94 ft3
  • Material Thickness: 0.75″
  • F3 (Hz): 51
  • Qtc:  0.765

*Enclosure size recommendations do not include driver and/or port displacement

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