Hertz CX 570
Hertz CX 570
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CX 570
5x7"|Coaxials|210 W| 4 Ohm
Coaxial loudspeakers represent a major design challenge due to the critical nature of their acoustic output, being installed in an OEM placement often unfavorable to reproduction. For this reason, in order to achieve high performance, a great engineering effort was put into place, promptly addressed by our R&D team. The Cento two-way coaxials CX 570 features the new 24 mm (0.9 in.) Tetolon® dome tweeter that delivers a more musical and detailed sound compared to the more traditional plastic materials. The dispersion has been optimized for off-axis listening. The SPP-M cone (Semi Pressed Paper-Mica) ensuring superior acoustic and damping characteristics.
| Component | Coaxials |
| Size mm (in.) | (5 x 7) |
| Power Handling - Continuous W | 70 |
| Power Handling - Peak W | 210 |
| Impedance Ohm | 4 |
| Frequency Response Hz | 55 ÷ 22k |
| Woofer Magnet size D x d x h mm (in.) | 85 x 32 x 15 (3.35 x 1.26 x 0.59) |
| Tweeter Magnet size D x h mm (in.) | 13 x 2 (0.51 x 0.08) |
| Weight of one speaker kg (lb.) | 1,0 (2.2) |
| Woofer Magnet | High density flux ferrite |
| Tweeter Magnet | Neodymium |
| Cone | Semi-pressed paper + Mica |
| Dome | Tetolon |
| Xmech mm (in.) | 4,9 (0.19) |
| D mm | 139 |
| Re Ohm | 3,3 |
| Fs Hz | 70 |
| Le mH | 0,2 |
| Vas I | 11,1 |
| Mms g | 13 |
| Cms mm/N | 0,34 |
| BL T*m | 4,9 |
| Qts | 0,67 |
| Qes | 0,83 |
| Qms | 3,3 |
| Spl dB | 93,5 |
Physical Specifications:
| A | 221 mm | 8.7 in. |
| B | 182 mm | 7.17 in. |
| C | 75 mm | 2.95 in. |
| D | 65,5 mm | 2.58 in. |
Frequency response:
1. Soft Tetolon® fiber 24 mm (0.9 in.) dome tweeter cooled with ferrofluid, for extended and natural high frequencies.
2. RHFC ™ (Rotary High Frequency Contour) directable tweeter for optimal off-axis frequency response and dispersion on the listening point.
3. Adjustable high frequency system for perfect frequency response to any listening point.
4. Tweeter faceplate geometry optimized with FEM simulations (Finite Element Modeling), to provide an extremely linear frequency response in off-axis installations.
5. 25 mm (1 in.) woofer voice coil featuring an aluminum former to guarantee high excursion and power handling.
6. 5×7 in. semi-pressed paper cone SPP-M (Semi Pressed Paper-Mica) enhanced with Mica powder for an excellent balance between lightness and damping.
7. High-density flux ferrite magnet combined with low-carbon polar plates for reduced distortion at high power levels.
8. Compact and transparent four-spoke basket acoustically combined with a rubber magnet cover for total damping of spurious vibrations.
