Tonewinner manufactures 7.1 AV Hi-Fi stereo sound quality speakers

1.Appearance characteristics

• The net weight of the main floorstanding speaker is 83 kg, enough to show the firmness of the cabinet. The surface is decorated with red rosewood veneer, and part of the front panel is processed with black leather-like painting.

2. Design Features

• TD-8 is 3-way four-unit floor-standing speaker with rear bass reflex design. The 1.1 inch tweeter unit is designed with high-density dome-shape silk diaphragm, working with one 6.5 inch mid-range unit and two 8 inch mid-bass units.
• The cone of mid-bass unit is made of natural material with a layer of high-damping glue and a layer of mineral mixing material for appropriate damping, intensity and better transient response. It also adopts a cast aluminum frame with good heat dissipation, 5N oxygen-free copper wires, a high-temperature-resistant aluminum-magnesium former, a big voice coil for large amplitude, a permanent magnet , and a soft rubber surround. All of these materials and design enable it to bring clear and pure sound with better transient response.
• The tweeter unit adopts a transparent silk diaphragm, with good extension, high frequency resistance and low distortion to meet the need of high power home theater system.
• The center speaker adopts two 6.5 inch mid-bass units, two 4 inch mid-range units and a 1.1 inch tweeter unit, so as to highlight the human voice and dialogue and bring clear and full sound. 
• The surround speakers are also of the same color. They are all tailor-made in strict accordance with the international standards for Dolby AC-3 and DTS formats. The frequency range is as wide as 70Hz-18kHz to meet the technical standards and hearing requirements of high-end home theaters.

3. Main Features

• The frequency crossover has three ways of dividing frequency. The high-pass adopts a two-level filter made of Metallized Polypropylene Film (MKP) capacitors. The mid-bass and bass passes are also two-level filter made of professional non-pole capacitor and large oxygen-free copper (OFC) inductance coil. After testing and adjustment, the phase distortion is reduced to a minimum.