DE650-01 Woofer 6.5" 4Ohms 60 Watts (2 Pcs)
Rs.2,499.00 Rs.3,499.00
DE650-01 Woofer 6.5' 4 Ohms 50Watts (Set of 2). this is a great sounding woofer made from exotic materials for high end systems. it has a 100mm*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. For best result make Tower speaker use 2 pcs in a box and 1 tweeter (Matching tweeter DE18-04) with 2way crossover or 3 way system also we can build by adding DE50M-01 midrange and 3 way crossover.
Product Details
Electrical
Nominal Diameter - 6.5 Inch(176mm)
Nominal Impedance - 4 Ohms
R(e) = 3.737 Ohms
Resonance Frequency - 60.46 Hz
Sensitivity, 1W/1m(E) - 85.42 dB
SPL = 88.72 dB SPL 2.83 Vrms
Power Capacity ,RMS(Pe) - 50W
Power Capacity ,Pak - 80W
Q(ms) = 4.569
Q(es) = 1.066
Q(ts) = 0.8643
V(as) = 10.86 liters (0.3771 cubic feet)
BL = 4.588
Piston Diam. = 130.1 mm (5.5 in.)
C(ms) = 0.438 mm/N
L(e) = 0.1845 mH at 10kHz
n(0) = 0.2148 %
M(ms) = 15.81 grams
Mechanical
Voice Coil - 26mm
Winding Width - 13.5mm
Former - 2
Wire Type - copper
Magnet - 100mm 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 tweeters 
Example no.4) 2 way HIFI / BOOKSHELF Design 