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| F-10 |
| F-10 is a passive two sub - frequency sound, using a 10 inches (250mm) long stroke woofer drive and a 1.4 inches tweeter drive (35mm). Box body is made of birch plywood, multi angle installation. |
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| F-12 |
| F-12 is a high power solid two division system, there is a strong 12 inches (320mm) low frequency drive and a 1.7 inches (44mm) HF compression driver mounted on a continuous directivity horn * 50 degrees 80 degrees. |
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| F-15 |
| F-15 is a system of high efficiency, wide range of performance, the outer box is very hard and practical. Extended frequency response is composed of a 15 inch (380mm) low frequency drive and a 1.7 inches (44mm) HF compression driver mounted on a …… |
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