B&C Speakers 8CX21-8

Specifications:

• Nominal diameter 210 mm (8.0 in)
• Nominal impedance 8 ohms
• Minimum impedance lf 6.1 ohms
• Minimum impedance hf 7.2 ohms
• Frequency range 75 - 20000 Hz
• Dispersion angle 100 degres (conical)
• Magnet material Ceramic

Specifications LF Unit:

• LF Sensitivity 94.0 dB
• LF Nominal Power Handling 200 W
• LF Continuous Power Handling 400 W
• LF Voice Coil Diameter 52 mm (2.0 in)
• LF Winding Material Copper

Specifications HF Unit:

• HF Sensitivity 101.0 dB
• HF Nominal Power Handling 25 W
• HF Continuous Power Handling 50 W
• HF Voice Coil Diameter 36 mm (1.4 in)
• HF Winding Material Aluminium
• Diaphragm material Polyester
• Recommended crossover 2.2 kHz

Parameters:

• Fs 74 Hz
• Re 5.2 ohms
• Qes 0.39
• Qms 4.1
• Qts 0.36
• Vas 15.0 dm3 (0.55 ft3)
• Sd 220.0 cm2 (34.1 in2)
• Reference efficiency 1.5 %
• Xmax 5.0 mm
• Xvar 5.5 mm
• Mms 21 g
• Bl 11.5 Txm
• Le 1.2 mH
• EBP 189 Hz

Mounting And Shipping Info:

• Overall diameter 225 mm
• Bolt circle diameter 210 mm
• Baffle cutout diameter 187 mm
• Depth 135 mm
• Flange and gasket thickness 11 mm
• Net weight 4.0 kg
• Shipping weight 4.7 kg
• Shipping box 260x260x170 mm
• Crossover Model XO-1
• Filter Type Two way
• Nominal Impedance 8.0 ohms
• Low-pass slope 12.0 dB/oct
• High-pass slope 12.0 dB/oct
• Overall Dimensions 107x96 mm (4.2x3.8 in)
• Weight 0.4 kg
• Recone Kit lf RCK008CX218
• Replacement diaphragm hf MMD0128