Bumper MX Series Car Audio Speakers - (1265 MX)

The 1265 MX is designed in both 4 ohm and 4+4 Ohm to provide a rich sound for both use in home audio and custom sound designs in car audio. It has a 1 ¼ ' Diameter double pressed heavy foam surround on a rigid and strong cone body , vented pole piece, 6 windows heavy frame and is built to withstand long hours of play.
SPEAKER MODEL: | 1265 MX |
Diameter size in inches: | 12 |
Diameter size in centimeters: | 30.48 |
Z - Nominal Impedance in Ohms | 4 |
Fs = Free air resonance frequesncy in Hz: | 34.1 |
Qts = Total Q Factor of driver: | 0.38 |
Vas = Equivalent acoustic volume in cubic feet: | 4.38 |
Vas = Equivalent acoustic volume in liters: | 123.91 |
Xmax = peak linear displacement of cone in inches: | 0.30 |
Xmax = peak linear displacement of cone in mm: | 7.62 |
Pe = Max power in watts: | 560 |
Ref = Driver's SPL 1W at 1m in dB: | 92.8 |
SPL = The half-space ref. Efficiency: | 92.8 |
Voice Coil Diameter in inches | 2.5 |
Mounting Depth in inches: | 5 1/2 |
Sd = Piston Area in sq. m | 0.0531 |
BL = T*M Flux Density, Length Product | 11.4134 |
no = The half-space ref. effciency: | 1.21% |
Cms = Mechanical suspen. compliance: | 309.469 |
Mms = Mech. mass of cone & free air load: | 70.438 |
Qms = Mechanical Q factor of driver: | 7.876 |
Qes = Electrical Q factor of driver: | 0.3938 |
Revc = DC Voice coil resistance in Ohms: | 3.4 |
Zmax = imped. At top of resonance curve in Ohms: | 71.404 |
Fo = Free air resonance frequency in Hz: | 34.089 |
Magnet Assembly weight (oz): | 157 |
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) | |
Turning frequency Hz (Fb) | 47.52 |
Cutoff frequency Hz (F3) | 54.61 |
List price $209.94