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  3. Cento CX 690
Hertz Cento CX 690 6"x9" Speaker Set
SKU:  CX-690
EAN:  8018823126687
100 Watt

Cento CX 690

SKU:  CX-690
EAN:  8018823126687

Technical Highlights

  • Power handling RMS 100W, impedance 4 Ohm, frequency response 40-23kHz.
  • Tweeter cone 40mm, woofer cone 6"x9", weight 1.55kg.
  • SPL 93.5 dB, high efficiency, magnet neodymium and flux ferrite.
  • More technical details
€139,00
€139,00 €139,00
5% discount with credit card
inkl. VAT , possibly plus shipping
Only a few left in stock (1 pieces available)
In stock
Jun 5, - Jun 6,
x pair
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Hertz-Cento CX 690-6"x9" Lautsprecherset-masori-kaufen
€139,00
€139,00 €139,00

Cento CX 690 by Hertz

Cento CX 690 is a 6 x 9 inch speaker set from Hertz as an oval 3-way coaxial speaker with 4 Ohm, 100 W RMS, and 300 W peak. The construction includes an SPP-M diaphragm made of semi-pressed paper with mica and mica powder, as well as a wide rubber surround. The high-frequency system consists of a 40 mm tweeter and a 20 mm super tweeter with a neodymium magnet. The tweeter faceplate has been optimized with FEM simulations. The basket has a metallic finish and rubber magnet protection. A speaker grille made of ABS plastic with metallic finish and metal grille is provided. Frequency response 40 Hz to 23 kHz, efficiency 93.5 dB, Xmech 5.5 mm, and weight per speaker 1.55 kg. Additional specifications include a 30 mm woofer voice coil, a 28 mm tweeter voice coil, and magnet dimensions of 100 x 32 x 15 mm for the woofer and 19 x 3 mm for the tweeter.

Features
  • 6 x 9 inch speaker set
  • Oval 3-way coaxial speaker
  • Designed for horizontal installation position
  • SPP-M diaphragm made of semi-pressed paper with mica, enhanced with mica powder
  • Width rubber surround
  • Woofer magnet ferrite with high density, low-carbon pole plates
  • Basket with metallic finish and rubber magnet protection
  • Tweeter faceplate design FEM-optimized
  • Speaker grille made of ABS plastic with metallic finish and metal grille
  • Tweeter 40 mm
  • Super tweeter 20 mm
  • Impedance 4 Ohm
  • RMS power 100 W
  • Peak power 300 W
  • Frequency response 40 Hz – 23 kHz
  • Weight per speaker 1.55 kg
Technical specifications
  • Tweeter diaphragm 40 mm
  • Woofer voice coil Ø 30 mm
  • Tweeter voice coil Ø 28 mm
  • Woofer magnet size 100 x 32 x 15 mm
  • Tweeter magnet size 19 x 3 mm
  • Effective diameter D 139 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 T·m
  • Qts 0.67
  • Qes 0.83
  • Qms 3.3
  • Sound pressure 93.5 dB
  • Xmech 5.5 mm
  • A 238 mm
  • B 224 mm
  • C 95 mm
  • D 78.5 mm
  • And 268 mm
  • F 29 mm
  • Woofer magnet ferrite with high density
  • Tweeter magnet neodymium
  • Diaphragm semi-pressed paper + mica

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Hertz Cento CX 690 Datasheet

Open datasheet

Frequently Asked Questions about Cento CX 690

How does the membrane of the Cento CX 690 affect sound quality?

The membrane of the Cento CX 690 is made of semi-pressed paper combined with mica powder, providing an excellent balance between weight and damping. This construction ensures precise and detailed audio with low distortion. The oval 6" x 9" design allows for optimal bass reproduction and high volume levels. Mechanical damping is further enhanced by the wide rubber surround, designed for high excursion and excellent damping. This keeps the sound clear and distortion-free even at high volumes, which is particularly noteworthy for music lovers.

What power does the Cento CX 690 speaker offer?

The Hertz Cento CX 690 is a powerful 3-way coaxial speaker with an RMS power handling of 100 watts and a peak power handling of 300 watts. It is designed for high loads, enabling powerful and dynamic music playback. The speaker has an efficiency of 93.5 dB, meaning it can achieve significant sound pressure even with lower amplifier power. With an impedance of 4 ohms, it is compatible with most car audio amplifiers, making it versatile for various audio systems. The high performance guarantees an exceptional listening experience.

What techniques improve high-frequency reproduction in the Cento CX 690?

The Cento CX 690 uses a 40 mm tweeter to achieve efficient and distortion-free high and mid-frequency reproduction. This is complemented by a 20 mm super tweeter, specifically designed to maximize the level of very high frequencies, even in horizontal installation positions. The geometry of the tweeter faceplate has been optimized using FEM simulations (Finite Element Modeling). This technique ensures a linear frequency response and minimizes distortion, which is particularly beneficial in off-axis installations, as the sound remains balanced and the highs crystal clear.

How do the magnet materials of the Cento CX 690 contribute to sound quality?

The Cento CX 690 from Hertz uses high-density ferrite magnets in the woofer, optimized to work with low-carbon pole plates to minimize distortion. The tweeter relies on neodymium magnets, known for their high energy efficiency, enabling precise high-frequency reproduction. This combination of magnetic materials supports excellent acoustic performance, resulting in detailed and powerful audio playback. The high density of the woofer magnets significantly contributes to bass reproduction by allowing strong, resonance-free vibrations.

What frequency ranges does the Cento CX 690 cover?

The Cento CX 690 has a wide frequency response of 40 Hz to 23 kHz, meaning it can reproduce deep bass as well as very high frequencies. This bandwidth ensures that both the lowest bass notes and the finest high tones are detailed and clear. Notably, the speaker's ability to reproduce deep bass powerfully despite its size, while the super tweeter finely resolves the highs, allows for comprehensive coverage of all frequency ranges important for music, providing a thoroughly satisfying listening experience.

What installation instructions are there for the Cento CX 690?

The Cento CX 690 is designed for horizontal installation and offers a variety of mounting options with its dimensions of 238 mm in width, 224 mm in depth, and 95 mm in height. The speaker can be installed in many vehicles, paying attention to the installation depth of 78.5 mm. The metal and ABS plastic basket construction with a metallic finish ensures a vibration-free installation. This versatile design significantly simplifies integration into existing car audio systems, as it provides stable mounting points and a harmonious aesthetic.

How does the voice coil of the Cento CX 690 affect the sound?

The Cento CX 690 features a midrange and woofer voice coil with a diameter of 30 mm, allowing excellent control over the woofer. This design helps ensure that even at higher volumes, the bass remains powerful and precise. The tweeter uses a voice coil with a diameter of 28 mm for maximum distortion-free high-frequency reproduction. These voice coils enable quick and accurate movement of the membranes, ensuring a smooth and dynamic sound reproduction that supports even the most demanding listening enjoyment.

What are the advantages of the Speaker Grille in the Cento CX 690?

The Speaker Grille of the Cento CX 690 is made from high-strength ABS plastic and features a metallic finish. This combination of materials provides effective protection for the speaker components against physical damage and external influences, while the metal grille does not interfere with sound radiation. Additionally, the grille offers an elegant appearance that contributes to the high-quality look of the speaker. This construction ensures that the acoustic quality is maintained and that the visual and mechanical requirements of a modern sound setup are met.

Why is the Hertz Cento CX 690 suitable for high volumes?

The Hertz Cento CX 690 is designed for high volumes, as it has a high load capacity of up to 300 watts peak power. The use of robust materials, such as the combination of ferrite and neodymium magnets, as well as the large voice coil, strengthens the structure and enables powerful performance without distortion. The oval diaphragm shape and the wide rubber surround further support dynamic playback. These technical features ensure that the speaker delivers clear and powerful sound even at high levels, ideal for car enthusiasts who enjoy listening to music loudly.

What specific optimizations has the Cento CX 690 undergone?

The Cento CX 690 has been optimized through FEM simulations (Finite Element Modeling), particularly the geometry of the Tweeter Faceplate, to ensure a linear frequency response. This technology allows for targeted improvement of acoustic performance, especially in off-axis installations. The optimization ensures consistent and precise frequency reproduction, even at different installation angles. Additionally, the diaphragm has been reinforced with mica powder to achieve an optimal balance between weight and damping, significantly improving sound quality and reducing distortion.

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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