Thai version
RES F4
RES F4 Technical information
Our subwoofers consist of 2 5 inch woofers that are connected in parallel circuit. The impedance was reduced from 4 Ohm to 2 Ohm in order to increase the audio reception sensitivity. Both woofers can handle from 30 Watts to 200 Watts drive. The best responsive frequency is at 60 Hz. The subwoofer body is made from metal mold with rustic protection chemicals. The rubber rims last more than 15 years. The subwoofer cone consists of 2 layers. The inner layer is a web weaved paper used for the air flowing system. The outer layer is stronger pan-like paper used for impacting and increase the strength.

Circuit
At normal stage, there will be no light until the sound signal reaches to the maximum drive and the light will be in synch with the beat. If the light is on all time, it means that the volume is too high. Most sound signal will turn to the light to share the load in order to prevent the overload.
Spacification
 Driver  5" x 2
 Rated Power  80 - 150 Watt
 Power Amp Included  -
 Frequency Response  40 - 250 Hz
 Impedance  4 Ohm
 Box system  B A B
 Size(WxLxH)  21.4 x 34.5 x 7.5 cm
 Weight  2.9 kg
  Relay protection circuit with hight power input
 Two acoustic masses provide 24dB/octave crossover rolloff.


RES F4
   
   

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Response , Product of Thailand