RAP 8” Specifications:

• Nomial Diameter: 8”

• Power Handling:

• RMS: 300 watts

• Recommend Power: See Chart Below

• Impedance: Dual 2 Ohm

• Frequency Response: 20 Hz – 500 Hz 

• Sensitivity: 82 dB – 1watt/1meter

• Sensitivity: 84.43 dB SPL 2.83 vRMS

• Voice Coil Diameter: 2”

• Displacement: 0.06 cuft 

• 14mm XMAX in One Direction; 28mm Overall

• 80 oz Y35 Magnet (be cautious of competitors ratings: they may include additional motor parts to inflate weight. We count only the real  magnet material)

Thiele and Small Parameters: (Post Break In)

• Resonant Frequency (Fs):  37.38 Hz

• DC Resistance (Re): 4.3 Ohm (series wiring) 

• Voice Coil Inductance (Le) : 1.66 mH at 10 kHz

• Mechanical Q (Qms): 4.76

• Electromagnetic Q (Qes): 0.496

• Total Q (Qts): 0.449

• Compliance Equivalent Volume (Vas):  0.325 cubic feet

• Mechanical Compliance of Suspension(Cms):0.155 mm/N

• BL Product (BL): 15.5 Tm

• Diaphragm Mass w/Airload (Mms): 117.3 grams

• SD: 31.76 in sq

Mounting Information:

Overall Diameter: 8.375”

Baffle Cutout Diameter: 7.125”

Mounting Depth: 5.25”

Bolt Pattern Diameter: 7.75”

# of Mounting Holes: 8