12" - 8ohm - 1250W | DC-1290CE | "C" Series | BUMPER MADE IN USA.

SPEAKER MODEL: 1290 C

Diameter size in inches: 12

Diameter size in centimeters: 30.48

Z - Nominal Impedance in Ohms: 8

Fs = Free air resonance frequency in Hz: 53.0

Qts = Total Q Factor of driver: 0.30

Vas = Equivalent acoustic volume in cubic feet: 1.6

Vas = Equivalent acoustic volume in liters: 43.98

Xmax = peak linear displacement of cone in inches: 0.17

Xmax = peak linear displacement of cone in mm: 4.32

Pe = Max power in watts: 610

Ref = Driver's SPL 1W at 1m in dB: 93.9

SPL = The half-space ref. Efficiency: 93.9

Voice Coil Diameter in inches: 2.5

Mounting Depth in inches: 4 1/2

Sd = Piston Area in sq. m: 0.047

BL = T*M Flux Density, Length Product: 16.77

no = The half-space ref. effciency: 1.56

Cms = Mechanical suspen. compliance: 140.789

Mms = Mech. mass of cone & free air load: 64.038

Qms = Mechanical Q factor of driver: 6.750

Qes = Electrical Q factor of driver: 0.4064

Revc = DC Voice coil resistance in Ohms: 5.36

Zmax = imped. At top of resonance curve in Ohms: 94.385

Fo = Free air resonance frequency in Hz: 53.005

Magnet weight (oz): 90

Magnet weight (kg): 3.16484

Frequency response range tested from 20-2000 Hz: 20-5300

BOXES FOR 1 SPEAKER APPLICATION RECOMMENDED ENCLOSURES FOR SEALED BOXES (WOOD IS 3/4").

Enclosure size (cubic feet) Outside volume (Vb): 1.50

Enclosure size (liters) Outside volume: 42.48

Resonant frequency Hz (Fc): 75.61

Cutoff frequency Hz (F3): 104.84

Enclosure Height (H) inches: 14

Enclosure Width (W) inches: 18.28

Enclosure Depth (D1) inches: 15

BOXES FOR 1 SPEAKER APPLICATION RECOMMENDED ENCLOSURES FOR PORTED BOXES (WOOD IS 3/4").

Enclosure size (cubic feet) Outside volume (Vb): 1.50

Enclosure size (liters) Outside volume: 42.48

Number of ports on the front of a box: 1

Port size (inches): 4x3.3

Turning frequency Hz (Fb): 60

Cutoff frequency Hz (F3): 53.82

Enclosure Height (H) inches: 14

Enclosure Width (W) inches: 18.47

Enclosure Depth (D1) inches: 15

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