FR89EX Full Range
- neodymium magnet      
- high power handling
- aluminum cone 
- 25mm voice coil
- low distortion, fast transient

Specifications
Magnet System
Overall Dimensions
D88.4*46.90mm
Magnet system type
neodymium
Net.weight
525g
Magnetic Gap Height
14mm
Nominal Power Handling
25W rms
B Flux Density
0.85 Telsa
Nominal Impedance
8 ohm
BL Product
3.688Tm
Sensitivity 1W/1M
85.3dB/W/M
Max Linear Excursion
5mm+/-
Frequency Response
70-20KHz
T/S Parameter
Resonant frequency
97Hz
Cms
1.217mm/N
Voice Coil
Sd
28.27cm^2
Voice Coil Diameter
25mm
Vas
1.4L
Voice coil Height
5mm
Mmd
2.013g
Voice coil former
Kapton
Mms
2.186g
Voice coil Wire
copper ribbon
Qms
4.889
Number of Layers
1
Qes
0.577
DC Resistance
5.8 Ohm
Qts
0.516