DE525-01 Woofer 5.25" 4Ohms 50 Watts (2 Pcs)
Rs.1,799.00 Rs.2,999.00
DE525-01 Woofer 5.25' 4 Ohms 50Watts (Set of 2). this is a great sounding woofer made from exotic materials for high end systems. it has a 90mm*18mm barium ferrite Y35 magnet. it has a coated paper cone material with rubber surrounding & dust cap is also coated paper. the frame is of iron.
Product Details
Electrical
Nominal Diameter - 5.25 Inch(145mm)
Nominal Impedance - 4 Ohms
R(e) = 3.624 Ohms
Resonance Frequency - 66.58 Hz
Sensitivity, 1W/1m(E) - 84.05 dB
SPL = 87.49 dB SPL 2.83 Vrms
Power Capacity ,RMS(Pe) - 50W
Power Capacity ,Pak - 75W
Q(ms) = 3.332
Q(es) = 0.8817
Q(ts) = 0.6972
V(as) = 4.909 liters (0.3088 cubic feet)
BL = 4.56
Piston Diam. = 104.7.6 mm (4.12 in.)
C(ms) = 0.472 mm/N
L(e) = 0.2 mH at 10kHz
n(0) = 0.1567 %
M(ms) = 12.09 grams
Mechanical
Voice Coil - 26mm
Winding Width - 12mm
Former - 2
Wire Type - copper
Magnet - 90mm Barium Ferrite
Cone Material - Coated paper
Surround Material - Rubber
Frame - iron
Dust cap - Coated paper
Here are the some examples of box design were we can use this woofers:
Example no.1) 3 way Tower Design
Example no.3) 2 way Tower Design with 2 Tweeter 
Example no.4) 2 way HIFI / Bookshelf Design
