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Technical Highlights
- Power handling RMS 70W, Peak 210W, impedance 4 Ohm, good sound.
- Frequency response of 55-22kHz, sensitivity 93.5 dB, detailed sound.
- Mid-woofer 25mm voice coil, high excursion, best acoustics.
- More technical details
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Cento CX 570 by Hertz
Hertz Cento CX 570 is a 5 x 7 inch coaxial Speaker Grille with 70 W RMS, 210 W Peak, and 4 Ohm impedance. The 24 mm soft Tetolon Tweeter with ferrofluid cooling works in combination with RHFC for rotatable high-frequency orientation as well as an adjustable high-frequency system. The geometry of the Tweeter faceplate is optimized using FEM for a linear frequency response even in off-axis operation. The mid-bass driver uses a 25 mm voice coil on an aluminum carrier and a simply pressed SPP-M diaphragm made of semi-pressed paper with mica. The bass driver magnet is made of high-density flux ferrite, while the tweeter magnet is made of neodymium; a compact 4-spoke basket with rubber magnet protection and an ABS Speaker Grille with metallic finish and metal mesh are integrated. Technical specifications include a frequency response of 55 to 22,000 Hz, Xmech 4.9 mm, and a weight of 1.0 kg per speaker. Electroacoustic parameters: Re 3.3 Ohm, Fs 70 Hz, Le 0.2 mH, Vas 11.1 l, Mms 13 g, Cms 0.34 mm/N, BL 4.9 Tm, Qts 0.67, Qes 0.83, Qms 3.3, sound pressure 93.5 dB. Dimensions: bass driver magnet 85 x 32 x 15 mm, tweeter magnet 13 x 2 mm, effective diameter 139 mm, A 221 mm, B 182 mm, C 75 mm, D 65.5 mm.
- 5 x 7 inch coaxial Speaker Grille
- RMS power 70 W
- Peak power 210 W
- Impedance 4 Ohm
- Frequency response 55 to 22,000 Hz
- 24 mm soft Tetolon Tweeter with ferrofluid cooling
- RHFC rotatable Tweeter for off-axis orientation
- Adjustable high-frequency system
- FEM-optimized Tweeter faceplate geometry
- 25 mm voice coil on aluminum carrier
- SPP-M diaphragm, semi-pressed paper with mica
- Bass driver magnet high-density flux ferrite, low-carbon pole plates
- Tweeter magnet neodymium
- Compact 4-spoke basket with rubber magnet protection
- Speaker Grille made of ABS with metallic finish and metal mesh
- Weight 1.0 kg per speaker
- Bass driver magnet size 85 x 32 x 15 mm
- Tweeter magnet size 13 x 2 mm
- Effective diameter 139 mm
- Xmech 4.9 mm
- Re 3.3 Ohm
- Fs 70 Hz
- Le 0.2 mH
- Vas 11.1 l
- Mms 13 g
- Cms 0.34 mm/N
- BL 4.9 Tm
- Qts 0.67
- Qes 0.83
- Qms 3.3
- Sound pressure 93.5 dB
- Dimensions A 221 mm, B 182 mm, C 75 mm, D 65.5 mm

