Specifications
Magnet System
Overall Dimensions
D132*74.5mm
Magnet system type
ferrite
Net.weight
1850g
Magnetic Gap Height
6mm
Nominal Power Handling
30W rms
B Flux Density
1.0T
Nominal Impedance
8 ohms
BL Product
7.955M
Sensitivity 1W/1M
89dB/W/M
Max Linear Excursion
1.45mm+/-
Frequency Response
73-5.5KHz
T/S Parameter
Resonant frequency
73.035Hz
Cms
0.656mm/N
Voice Coil
Sd
83.320cm^2
Voice Coil Diameter
35.5mm
Vas
6.476L
Voice coil Height
10mm
Mmd
6.791
Voice coil former
kapton
Mms
7.229
Voice coil Wire
CCAW
Qms
1.842
Number of Layers
2
Qes
0.33
DC Resistance
6.3 Ohm
Qts
0.28


FM135D-II Mid range
- 5.25" midrange driver                         
- aluminum cone
- die cast frame     
- low distortion, fast transition