Kenwood DV-505 - Manual (Page 12)

Technical specifications
SYMBOL UNIT
VALUE
KFC-Xr71p KFC-Xr61p KFC-Xr51p
■ WOOFER
Nominal Impedance Z ohms 4.0 4.0 4.0
DC Resistance R e
ohms 3.2 3.2 3.2
Voice Coil Inductance L bm
mH 0.32 0.32 0.32
Resonant Frequency Fs Hz 68 79 87
Resonant Frequency
Impedance Zso ohms 34 37 29
Mechanical Q Factor Q ms
8.04 8.88 6.43
Electrical Q Factor
Q es
0.75 0.76 0.69
Total Q Factor Q ts
0.68 0.70 0.62
Volume Acoustic Compliance
V as
liters
(cu.ft.) 13.47
(0.48)
8.65
(0.31)
5.47
(0.19)
Mechanical Resistance
R ms
kg/s 0.59 0.70 0.84
Moving Mass M ms
g
9.51 8.12 5.96
Suspension Compliance C ms
m/N 0.58
X
10-5 0.50x10-2 0.56x10-2
Emissive Diameter of the
Diaphragm D
mm 128 119 103
Voice Coil Diameter d
mm 25 25 25
Voice Coil Layers n 4 4 4
Flux Density B T 0.85 0.85 0.85
Force Factor BL T«m 4.6 4.6 4.6
Diameter of Magnet A
mm 24 24 24
Weight of Magnet MAG Weight kg 0.017x2 0.017x2 0.017x2
Total Flux
0
Wb 0.23 X 10-" 0.23x10-2 0.23x10-2
Peak Exclursion Xmax mm 1.3 1.3 1.3
■ TWEETER
Nominal Impedance Z ohms 4.0
DC Resistance R e
ohms 3.2
Voice Coil Inductance L bm
mH 0.09
Emissive Diameter of the
Diaphragm D
mm 19.0
Voice Coil Diameter d
mm 19.0
Voice Coil Layers n 2
Flux Density B T 1.09
Diameter of Magnet A mm 17.9
Weight of Magnet M kg 0.007
Total Flux 0 Wb 1.06x10"