Hertz
Hertz Cento CPK 690System
The latest addition to the Cento PRO line is the CPK 690 system equipped with an elliptical woofer to avail of the 6 x 9 door placements, which are particularly common in the North American market, such as for the models of Toyota and FORD groups.
Highlights
- CP 25:
- Soft Tetolon® fiber 29 mm (1.14 in.) dome and 25 mm (1 in.) voice coil cooled with ferrofluid, for a natural and yet detailed reproduction of musical nuances.
- “Center Tuning Duct” geometry, for a lower resonance frequency and reduced harmonic distortion.
- Neodymium magnet with high-density magnetic flux, optimized for maximum control during high-energy dynamic transients in the mid-high frequency range.
Key specs
Full specs- Component
- System
- Size mm (in.)
- (6 x 9)
- Power Handling - Continuous W
- 120
- Power Handling - Peak W
- 360
- Impedance Ohm
- 4
- Tweeter diaphragm mm (in.)
- 29 (1.14)
- Woofer Voice Coil Ø mm (in.)
- 30,5 (1.2)
- Tweeter Voice Coil Ø mm (in.)
- 25 (1)
Key specs
Full specs- Component
- System
- Size mm (in.)
- (6 x 9)
- Power Handling - Continuous W
- 120
- Power Handling - Peak W
- 360
Highlights
Overview- CP 25:
- Soft Tetolon® fiber 29 mm (1.14 in.) dome and 25 mm (1 in.) voice coil cooled with ferrofluid, for a natural and yet detailed reproduction of musical nuances.
- “Center Tuning Duct” geometry, for a lower resonance frequency and reduced harmonic distortion.
Overview
The latest addition to the Cento PRO line is the CPK 690 system equipped with an elliptical woofer to avail of the 6 x 9 door placements, which are particularly common in the North American market, such as for the models of Toyota and FORD groups.
Like the other speakers of the Cento PRO line, the woofer cone is made of pressed paper, the most suitable material to obtain a linear and controlled emission even when the woofer is driven with very high power.
All electroacoustic parameters have been optimized to obtain maximum performance with door installations; we therefore find a magnetic group and voice coil improved for an excellent power handling and a lower resonance frequency.
The large emission area of the CP 690 increases the woofer efficiency and extends the response down to 35 Hz.
The crossover made with selected components, features a low-pass filter on the woofer with a 6 dB/oct. slope and
12 dB/oct. on the tweeter with three levels of attenuation.
CPK 690 is dedicated to the young enthusiast who wants a front row seat at their favourite concert while sitting comfortably behind the steering wheel.
Highlights
Key features
- CP 25:
- Soft Tetolon® fiber 29 mm (1.14 in.) dome and 25 mm (1 in.) voice coil cooled with ferrofluid, for a natural and yet detailed reproduction of musical nuances.
- “Center Tuning Duct” geometry, for a lower resonance frequency and reduced harmonic distortion.
- Neodymium magnet with high-density magnetic flux, optimized for maximum control during high-energy dynamic transients in the mid-high frequency range.
- Rear chamber filled with damping material selected and sized for low resonance, ensuring a natural medium range and low crossover frequency with the woofer.
- Faceplate geometry optimized with FEM (Finite Element Modeling) technique for a linear frequency response in off-axis installations.
- Wide range of accessories, for easy integration in OEM placements.
- CP 690:
- Pressed-paper cone with FEM-optimized geometry, it combines rigidity and lightness for a color-free sound.
- 30 mm (1.2 in.) double layer voice coil sized to maximize fhigh excursion and power handling.
- High-density flux ferrite magnet combined with low-carbon polar plates for reduced distortion at high power levels.
- Compact and transparent three-spoke basket, acoustically combined with a rubber magnet cover for total damping of spurious vibrations.
Specs
Technical Specs
15
| Component | System |
| Size mm (in.) | (6 x 9) |
| Power Handling - Continuous W | 120 |
| Power Handling - Peak W | 360 |
| Impedance Ohm | 4 |
| Tweeter diaphragm mm (in.) | 29 (1.14) |
| Woofer Voice Coil Ø mm (in.) | 30,5 (1.2) |
| Tweeter Voice Coil Ø mm (in.) | 25 (1) |
| Sensitivity dB SPL | 92 |
| Frequency Response Hz | 35 ÷ 22,5k |
| Crossover Cut off | LP 6 dB / Oct. - HP 12 dB / Oct. |
| Crossover Type | 2 Way |
| Weight of one component - Woofer | 1,69 (3.73) |
| Weight of one component - Tweeter kg (lb) | 0,07 (0.15) |
| Weight of one component - Crossover kg (lb) | 0,2 (0.44) |
Electro-acoustic Specs
12
| D mm | 172 |
| Re Ohm | 3,2 |
| Fs Hz | 58 |
| Le mH | 0,33 |
| Vas I | 22,80 |
| Mms g | 25,3 |
| Cms mm/N | 0,30 |
| BL T*m | 6,9 |
| Qts | 0,48 |
| Qes | 0,62 |
| Qms | 2,2 |
| Spl dB | 92,5 |
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