DC-1290CE | BUMPER Loud Speaker 15 Inch
Brand: BUMPER
Size: 12 inch
Max Watt: 1250
Ohm (Ω): 8
Brand: BUMPER
Size: 12 inch
Max Watt: 1250
Ohm (Ω): 8
Brand: BUMPER
Size: 12 inch
Max Watt: 1250
Ohm (Ω): 8
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