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 ohms
BL Product
3.781
Sensitivity 1W/1M
83.6dB
Max Linear Excursion
5mm+/-
Frequency Response
70-20,000Hz
T/S Parameter
Resonant frequency
97Hz
Cms
0.997mm/N
Voice Coil
Sd
27.34cm^2
Voice Coil Diameter
25mm
Vas
1.111L
Voice coil Height
4mm
Mmd
2.693g
Voice coil former
aluminum
Mms
2.611g
Voice coil Wire
copper ribbon
Qms
1.642
Number of Layers
1
Qes
0.652
DC Resistance
5.7 Ohm
Qts
0.468