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Hertz Cento CX 165 6.5" (16,5cm) Coaxial Speaker
SKU:  CX-165
EAN:  8018823126670

25 Reviews

70 Watt

Cento CX 165

SKU:  CX-165
EAN:  8018823126670

25 Reviews

Technical Highlights

  • Power RMS 70W, impedance 4 Ohm, frequency response 55-22k Hz.
  • Tweeter 24mm Tetolon, ferrofluid cooled, low distortion.
  • Woofer 25mm voice coil, SPP-M membrane, high damping.
  • More technical details
€99,00
€99,00 €99,00
5% discount with credit card
inkl. VAT , possibly plus shipping
Only a few left in stock (2 pieces available)
In stock
Jun 5, - Jun 6,
x pair
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Cento CX 165 by Hertz

Hertz Cento CX 165 is a 6.5 inch (16.5 cm) coaxial speaker as a 2-way coaxial system. The high-frequency section includes a 24 mm Soft-Tetolon tweeter with a 20 mm voice coil, ferrofluid cooling, RHFC (Rotary High Frequency Contour), and FEM-optimized faceplate. The mid-bass driver uses a 25 mm voice coil on an aluminum carrier, a 165 mm SPP-M membrane made of semi-pressed paper with mica, and a high-density flux ferrite magnet; the tweeter operates with a neodymium magnet. The power handling is 70 W RMS and 210 W Peak at 4 Ohm impedance. Frequency response is 55–22000 Hz and sensitivity is 93 dB. Xmech 4.9 mm. Magnet sizes: woofer 85 x 32 x 15 mm, tweeter 13 x 2 mm; voice coil diameter: woofer 25 mm, tweeter 13 mm. Dimensions A 165 mm, B 142 mm, C 71 mm, D 62.5 mm, F 24 mm, and Und 171 mm. Electroacoustic parameters: D 131.5 mm, Re 3.2 Ohm, Fs 65 Hz, Le 0.21 mH, Vas 12.2 l, Mms 13.3 g, Cms 0.46 mm/N, BL 4.8 Tm, Qts 0.60, Qes 0.73, Qms 3.4. Weight per speaker 0.95 kg.

Features
  • 6.5 inch (16.5 cm) coaxial speaker
  • 2-way coaxial system
  • 24 mm Soft-Tetolon tweeter
  • 20 mm tweeter voice coil
  • Ferrofluid cooling in the tweeter
  • RHFC (Rotary High Frequency Contour) tweeter
  • FEM-optimized tweeter faceplate
  • 25 mm voice coil on aluminum carrier (mid-bass driver)
  • 165 mm SPP-M membrane (semi-pressed paper + mica)
  • High-density flux ferrite magnet, low-carbon pole plates (mid-bass driver)
  • Neodymium tweeter magnet
  • Compact 3-spoke basket
  • Rubber magnet protection
  • Speaker grille made of ABS with metallic finish and metal mesh
  • Optimization for off-axis operation
  • Power handling RMS 70 W
  • Power handling Peak 210 W
  • Impedance 4 Ohm
  • Frequency response 55–22000 Hz
  • Weight per speaker 0.95 kg
Technical Specifications
  • SPL 93 dB
  • Xmech 4.9 mm
  • Woofer voice coil Ø 25 mm
  • Tweeter voice coil Ø 13 mm
  • Magnet size woofer 85 x 32 x 15 mm
  • Magnet size tweeter 13 x 2 mm
  • D 131.5 mm
  • Re 3.2 Ohm
  • Fs 65 Hz
  • Le 0.21 mH
  • Vas 12.2 l
  • Mms 13.3 g
  • Cms 0.46 mm/N
  • BL 4.8 Tm
  • Qts 0.60
  • Qes 0.73
  • Qms 3.4
  • A 165 mm
  • B 142 mm
  • C 71 mm
  • D 62.5 mm
  • Und 171 mm
  • F 24 mm

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Hertz Cento CX 165 Datasheet

Open datasheet

Frequently Asked Questions about Cento CX 165

What is special about the membrane of the Hertz Cento CX 165?

The Hertz Cento CX 165 uses a simply pressed SPP-M membrane reinforced with mica powder. This construction of semi-pressed paper and mica provides an excellent balance between weight and damping. Especially if you enjoy listening to music at high volumes, this membrane offers outstanding acoustic clarity and reduces distortion. These features maximize the mechanical integrity of the membrane, leading to improved sound quality. The unique structure of the membrane is designed to reproduce both light and powerful tones accurately, making it ideal for high-level audio enjoyment.

What is the power handling capacity of the Cento CX 165 speaker?

The Hertz Cento CX 165 speaker offers a robust performance, with an RMS power handling capacity of 70 watts and a peak power handling capacity of 210 watts. This means that the speaker can continuously handle up to 70 watts of power, while it can withstand peaks of up to 210 watts for short periods. These power handling values make it ideal for complex soundscapes in your car, allowing for both subtle and powerful audio sequences. With its sturdy magnetic and mechanical construction, these speakers are well-suited for intensive use without losing sound fidelity.

What frequencies can the Hertz Cento CX 165 speaker reproduce?

The Hertz Cento CX 165 is a high-performance speaker that covers an impressive frequency range of 55 Hz to 22 kHz. This wide frequency spectrum allows the speaker to reproduce both deep bass and high frequencies with utmost precision. The tweeter is optimized for accurate reproduction of the upper frequencies, while the woofer handles the lower frequencies with detail fidelity. This comprehensive playback capability ensures that both the fine nuances and powerful tones of a music recording are faithfully reflected.

What are the Thiele-Small parameters of the Hertz Cento CX 165?

The Hertz Cento CX 165 features specified Thiele-Small parameters that are essential for acoustic design. The Mms is 13.3 g, while Cms is 0.46 mm/N, representing the mobility of the diaphragm. The Vas value is 12.2 liters, describing the equivalent volume amplitudes of the diaphragm at rest. The BL factor is specified at 4.8 T*m and describes the strength of the magnetic field. With a Qms of 3.4, Qes of 0.73, and a Qts of 0.60, it shows high mechanical quality and energy efficiency. These parameters are crucial for designing speaker enclosures and optimizing sound.

How does the tweeter of the Cento CX 165 affect sound quality?

The tweeter of the Cento CX 165 is made of 24mm Tetolon and is designed for natural, detailed sound reproduction. It supports frequencies up to 22 kHz and operates with a ferrofluid-cooled system. This improves thermal stability and reduces distortion, especially at high volumes. Incorporating RHFC technology (Rotary High Frequency Contour), the tweeter can be optimally aligned for off-axis operation, allowing greater flexibility in installation. This diaphragm is perfectly tuned for high-quality audio systems to produce pure and clear highs that enhance any audio environment.

What are the installation dimensions of the Hertz Cento CX 165?

The installation dimensions of the Hertz Cento CX 165 speaker are 165 mm in overall diameter. The installation depth is specified at 71 mm, requiring precise installation. Furthermore, the cutout diameter is 142 mm, while the diameter of the woofer measures 131.5 mm. Other important dimensions include the magnet diameter of the woofer at 85 mm wide and 32 mm deep, as well as the magnet height of 15 mm, which must be considered when installing in tight vehicle environments. These precise measurements ensure that the speaker can be efficiently and problem-free mounted.

How does the magnet of the woofer affect the performance of the Cento CX 165?

The woofer of the Hertz Cento CX 165 uses a high-density ferrite magnet, which, in combination with low-carbon pole plates, reduces distortion. With a magnet size of 85 x 32 x 15 mm, it offers impressive control over the diaphragm movement, enabling precise bass reproduction. Especially at low frequencies, this magnet provides stability and accuracy. The high density of the magnet generates more efficient performance, allowing the speaker to reproduce both powerful deep tones and subtle bass nuances with great detail.

What role does the voice coil play in the Hertz Cento CX 165 speaker?

The Hertz Cento CX 165 features two voice coils: a 25 mm aluminum voice coil for the woofer that ensures optimized thermal load capacity and a 13 mm voice coil in the tweeter. The larger voice coil of the woofer allows for precise control of the diaphragm movement and increases mechanical performance at high volumes. The smaller voice coil of the tweeter ensures detailed reproduction of high frequencies. This design guarantees a balanced and harmonious sound across the entire frequency spectrum. This fine tuning is particularly noticeable at high volumes.

How does the design of the compact basket affect functionality?

The Hertz Cento CX 165 is equipped with a compact 3-spoke basket that not only supports structural integrity but also contributes to sound quality. The rubber coating of the magnet reduces vibrations and acts as a decoupler, minimizing unwanted resonances. This detail brings improved acoustic and mechanical stability. Especially at higher volumes or bass-heavy tracks, the compact basket supports efficient sound radiation and protects against distortion. This design feature is crucial for high sound fidelity across all music genres.

What are the installation dimensions and compatibility notes for the Cento CX 165?

The Hertz Cento CX 165 has an installation diameter of 165 mm and an installation depth of 71 mm, making it compatible with a variety of vehicle models. The mounting dimensions are important to ensure the speaker fits precisely in the available space. The installation depth requires some consideration when planning in vehicles with limited space. The speaker housing is protected with an ABS plastic grille with metal finishing, which should be taken into account during installation. Compatibility with the specific installation spaces of the respective vehicle should always be checked during installation.

Manufacturer information / responsible person

Elettromedia SpA
62018 Potenza Picena (MC)
Strada Regina km 3,500
Italy

Contact person:
Simone Iampieri
Executive Director Assistant
T +39 0733 870 813
Elettromedia SpA
62018 Potenza Picena (MC) Italy
Strada Regina km 3,500
T + 39 0733 870 870

Contact: simone.iampieri@elettromedia.it

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