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FW300 subwoofer
FEATURES
- Hard aluminum cone
- Die cast chassis
- 50mm voice coil
- Dual 4 ohm voice coil
- Inverted dust cap
- large linear excursion
Specifications
Overall Dimensions D314x166.4mm Voice coil height 36.5mm
Net. Weight 6.6kgs Voice coil former Aluminum
Norminal power handling 600W * Voice coil wire round copper
Norminal impedance 8 ohms Number of layer 4
Frequency response 31-1,000Hz DC resistance 2x3.6ohm
Resonant frequency 38Hz Magnet system type ferrite
Voice Coil-magnet system
Voice coil diameter 50mm Max linear excursion 14.25mm +/-
T/S parameter
Single voice coil Dual voice coil in series
DC resistance 3.6 ohm DC resistance 7.2 ohm
Resonant frequency 37.247Hz Resonant frequency 38.21Hz
Sd 530.930cm^2 Sd 530.930cm^2
BL 11.392Tm BL 21.274Tm
Qms 4.557 Qms 4.246
Qes 0.946
Qts 0.784 Qts 0.471
SPL 86.2dB/W/M SPL 89.1dB/W/M
Vas 50.132 litre Vas 50.022 litre
Cms 0.125241mm/N Cms 0.124968mm/N
Mms 145.782gm Mms 138.83gm
Mmd 138.748gm Mmd 131.795gm
Magnetic gap height 8mm
Qes 0.53
* test standard IEC268-5 , dual voice coil
www.fountek.net
email: info@fountek.net
tel: +86-573-8301 9220 fax: +86-573-8301 9221
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100
dBSPL
SPL vs Freq
Ohm
64
90
80
70
60
50
40
30
20
10
0
20 Hz 50 100 200 500 1K 2K 5K 8K
Frequency Vs impedance - single voice coil
56
48
40
32
24
16
8
0
dBSPL
SPL vs Freq
100
90
80
70
60
50
40
30
20
10
0
20 Hz 50 100 200 500 1K 2K 5K 8K
Ohm
160
140
120
100
80
60
40
20
0
Frequency Vs impedance - dual voice coil in series
www.fountek.net
email: info@fountek.net
tel: +86-573-8301 9220 fax: +86-573-8301 9221