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Type and function of subwoofer speaker box

Know Your Types of box type subwoofer Performance subwoofer to produce low bass sound and also solid course supported by a subwoofer enclosure or box. Subwoofer box in the car usually has a different size, it is adjusted to the recommendations of the technical data from these subwoofers. However, each audio installer, have different styles in a box design. If all this time, we only know when the box was just the type that's all, it did not. Box consists of various types and models. Design, size (dimensions) and a subwoofer box models are usually clearly taken into account at the time of manufacture, even carefully designed too often acted the Installer. Clearly, each type of box has a value of strengths and weaknesses, all models of boxes, if applied correctly, clearly gives a very maximum performance subwoofer. Following this, the types of subwoofer box that is often applied in car audio: If you want us to categorize the type of subwoofer box can be divided according to several or...

Woofer speaker amplifier circuit

In the circuit use a IC AN7171 . Minimum requirment  voltage is 12 volt and maximum voltage is 15  volt . Power output 2 X 30 W with impedance 4 Ohm . Speaker match woofer speaker , and operate it on the small room. This circuit matches variety of input device such us mixer , equalizer , tone control , processor , galaxy , bass boost , giga bass , and etc. This circuit schematic below : AN7171 amplifier schematic Output speaker is stereo , output couple with ground and add commponent resistor 2,2 Ohm and capacitor 100 nF.