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Introducing our CORE TECH subwoofers                               
For audiophiles looking for uncompromising accuracy in an elegant package, our OS12 Signature Edition subwoofer is the ultimate choice. As an audiophile you appreciate that bass is the foundation of a satisfying music or home theatre experience. You also appreciate that there is more to a home theatre subwoofer than shaking the room, and that music can be far more satisfying with a subwoofer that can play deep.
What makes our subwoofers suitable for audiophiles? It's not that they can plumb the depths with authority. There are already many subwoofers on the market which can do that. The difference is that they reproduce bass with a level of realism that is normally only associated with much more expensive high end full range loudspeakers.
Many of our customers marvel that we are able to produce such exceptional subwoofers at such a low price. Our core technology makes it possible, allowing us to get the most out of a 12" driver without the need for kilowatts of power. Don't be fooled into thinking that other more expensive subwoofers with much more powerful amplifiers will offer more output. The output of a subwoofer is determined by how much air the driver can displace, not the power rating of the amplifier. We could supply a more powerful amplifier, but there would be no increase in output, only extra cost.
While designed primarily for their sound quality, these custom designed drivers are also stylish in appearance with a one piece anodized aluminum cone and rubber surround. Unfortunately, it's not possible to judge the accuracy of a driver by observing its appearance. There are other drivers on the market which in fact look quite similar, and it's tempting to think that they are comparable. Many of them are inferior in performance due to a heavy moving mass, the absence of shorting rings, wider gaps around the voice coil and high inductance which limits the useable high frequency cut off point. Many aren't suitable for a crossover point higher than 50 Hz. This is very limiting when one considers the large number of home theatre speakers which perform better when relieved of bass duties.
Performance & Specifications                                        
One doesn't often see a measured frequency response chart commercial subwoofers except in reviews. When the response is seen, it often becomes clear why they did not want you to see it!
A quick glance at our frequency response plot will reveal that our subwoofers do exactly what we claim. In the chart below, with bass extension controls set to 14 Hz, the response is 3 db down at 14 Hz. The response is flat and extended.
Orisun OS-12 Specifications  
Driver  12-inch one piece Aluminum Cone
Input RCA
Amplifier 400w RMS/1000W MAX  
Dimensions 400mm(W) x 400mm (H )x 450mm(D)
Shipping Weight 28KG
Frequency Response 20-120Hz
Iuput Voltage 115/230V
Phase response < 90 degrees phase shift at 20 Hz
Phase adjustment 0 - 180 degrees continuously variable
Bass damping factor settings high (Q=0.5), med (Q=0.7), and low (Q=1.1)
Finishes  Black Sand Paint
Warranty 3 years warranty on driver and 2 years on electronics
  30 day satisfaction guarantee

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