RADIAN 5212B - COAXIAL 2-WAY SPEAKER 

THE RADIAN 5212B 12 INCH COAXIAL SPEAKER HAS AN EXTENDED RANGE FROM 50HZ UP TO 30KHZ!

Radian 5212B

RADIAN 5212B

8 Ohms HF - 8 Ohms LF

Item Price: $329.95

16 Ohms HF - 8 Ohms LF

Item Price: $329.95

COAXIAL MODEL  - 5212B

Specifications

Impedance (LF/HF) 8 ohms / 8 or 16 ohms
RMS Power Rating (LF / HF) 375 Watts / 40 Watts
Program Power Rating  (LF / HF) 750 Watts / 80 Watts
Sensitivity (1W/1m)  (LF / HF) 95dB / 107 dB SPL
Frequency Response 50Hz - 30kHz
Recommended Crossover Frequency 1.2kHz
Voice Coil Diameter (LF/HF) 3.0" / 1.75"
Dispersion 90 Conical
Voice Coil Length 16 mm
Air Gap Height 9.5 mm
Displacement Limit for Voice Coil 17 mm
Suggested Ported Box Volume 40 - 80 Liters / 1.4 - 2.8 cu. ft.

Mounting Information

Overall Diameter 12.35" / 313.7mm
Bolt Circle Diameter 11.625" / 295.3mm
Baffle Cutout Diameter 11.125" / 283mm
Overall Depth 6.9" / 175mm
Flange Thickness .57" / 14.5mm
Mounting Holes 8
Net Weight 14.5 lbs. / 6.6 kg.

Materials

Woofer Cone Paper/Kevlar
Basket Cast Aluminum
Surround M-Roll Polycotton
Connectors Push Button
Voice Coil Winding Edge Wound Ribbon
Voice Coil Wire Copper Clad Aluminum
HF Diaphragm Aluminum
HF Diaphragm Surround Polymer
LF / HF Magnet Ferrite

Thiele-Small Parameters

Resonant Frequency (Fs) 62 Hz
Impedance (Re) 6.0 ohms
Coil Inductance (Le) 1.4 mH
Mechanical Q (Qms) 9.2
Electrical Factor(Qes) .44
Total Q (Qts) .42
Comp. Equivelant Vol. (Vas) 58.4 Liters / 2.06 cu. ft.
Voice Coil Overhang (Xmax) 5.6 mm
Diaphragm Mass (Mms) 45.5 Grams
BL Product 15.5 T-M
Reference Efficiency 2.94%
Surface Area of Cone (Sd)m2 .0500m2
Frequency Response Graph

Radian 5212 Frequency

Directivity Response (40 Liter, Tuning 65Hz)
Radian 5212 Directivity

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