ELECTRO VOICE D454375 3.5″ Woofer for EVID 3.2

Woofer forα EVID 3.2

Nominal Specifications

    * Nominal Diameter 5“, 130 mm
    * Overall Diameter 6.02/5.51“, 153/140 mm
    * Bolt Circle Diameter 5.5“, 139 mm
    * Baffle Cutout Diameter 5.04“, 128 mm
    * Depth 3.1“, 79 mm
    * Flange and Gasket Thickness 0.29“, 7.5 mm


Electrical Specifications

    * Minimum Impedance 8.8 Ohm
    * Nominal Impedance 12 Ohm
    * Nominal Power Handling*** 80 W
    * Maximum Power Handling**** 160 W
    * Sensitivity (1W/1m) 99 dB
    * Frequency Range 180 - 6300 Hz
    * Voice Coil Diameter 1.26“, 32 mm
    * Winding Material Copper
    * Former Material Kapton
    * Winding Depth 0.29“, 7.5 mm
    * Magnetic Gap Depth 0.24“, 6 mm
    * Flux Density 1.65 T


THIELE & Small Parameters

    * Resonant Frequency (fs) 180 Hz
    * DC Resistance (Re) 7.2 Ohm
    * Coil Inductance (Le) 0.15 mH
    * Mechanical Q (Qms) 2.70
    * Electromagnetic Q (Qes) 0.59
    * Total Q (Qts) 0.48
    * Compliance Equivalent Volume (Vas) 0.033 ft³, 0.93 dm³
    * Mechanical Compliance of Suspension (Cms) 0.075 mm/N
    * Rms 3.93 Kg/s
    * BL Product (BL) 11.3 N/A
    * Diaphragm Mass inc. Airload (Mms) 8.4 grams
    * Maximum Linear Excursion (Xmax)* 2.75 mm
    * Xdamage** 15.2 mm
    * Surface Area of Cone (Sd) 14.6“², 94.3 cm²
    * Diaphragm mass (Mmd) 7.5 g
    * Eta Zero 1.23 %


Notes

    * *Xmax = [(winding depth - magnetic gap depth) / 2] + (magnetic gap depth / 3)
    * **Maximum excursion before permanent damage
    * ***2 Hours Test According to AES 2-1984 Rev. 2003
    * ****Maximum power is defined as 3dB greater than nominal power

• 91 dB Sensitivity 1 W / 1 m
• 130 W Power Handling
• 1.5" Sandwich Voice Coil
• Double treated Cone for Water Protection
• Neodymium Magnet System
• Twin Aluminum demodulating Rings for ultra low Distortion
• Optimal for compact 2- or 3-way Systems

LSR25P LF Driver Description: