3. SPL speakers and subwoofers for cars
  5. C-C6.5C

C-C6.5C

65 Watt

C-C6.5C

Technical Highlights

  • Load capacity up to 150 W, sensitivity 89.6 dB,
  • nominal impedance 2 Ω.
  • Tweeter resonance at 582.521 Hz, diameter 53 mm, impedance 3 Ω.
  • Midrange driver with 49.374 Hz resonance frequency, impedance 2 Ω,
  • 25.5 mm coil.
  • More technical details
€249.00
€249.00 €249.00
2% discount with credit card
including VAT
Estimated delivery: Sep 18–Sep 25.
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DD Audio-C-C6.5C-6.5" (16,5cm) Lautsprecherset-masori-kaufen
€249.00
€249.00 €249.00

The C-C6.5C Speaker Set from DD Audio is a 6.5 inch (16.5 cm) component system with a rated power of 65 Watts RMS and a peak power of 150 Watts. The construction features a high-energy CnC motor, an ultra-light composite diaphragm, and a dual-magnet tweeter design. The midrange driver has an impedance of 2.0 Ω, while the tweeter operates at 3.0 Ω. The system achieves a sensitivity of 89.6 dB at 1 W / 1 m and covers a frequency range of 60 to 40,000 Hz. The voice coil of the midrange driver has a diameter of 25.5 mm and that of the tweeter is 18.4 mm.

Features
  • 6.5 inch (16.5 cm) Speaker Set
  • Rated power: 65 Watts RMS
  • Peak power: 150 Watts
  • Midrange driver impedance: 2.0 Ω
  • Tweeter impedance: 3.0 Ω
  • High-energy CnC motor
  • Ultra-light composite diaphragm
  • Dual-magnet tweeter design
  • Midrange driver voice coil: 25.5 mm
  • Tweeter voice coil: 18.4 mm
Technical Specifications
  • Frequency response: 60 – 40,000 Hz
  • Sensitivity: 89.6 dB
  • Resonance frequency midrange driver: 49.374 Hz
  • Resonance frequency tweeter: 582.521 Hz
  • Overall diameter midrange driver: 167 mm
  • Overall diameter tweeter: 53 mm
  • Mounting depth midrange driver: 43 mm
  • Mounting depth tweeter: 17 mm
  • Cutout diameter midrange driver: 143 mm
  • Cutout diameter tweeter: 44.6 mm
  • Overall depth midrange driver: 53 mm
  • Overall depth tweeter: 27.5 mm
  • Qms midrange driver: 3.912
  • Qms tweeter: 12.164
  • Qes midrange driver: 0.359
  • Qes tweeter: 0.965
  • Qts midrange driver: 0.329
  • Qts tweeter: 0.894

Frequently Asked Questions about C-C6.5C

What is the load capacity of the C-C6.5C Speaker Set?

The C-C6.5C Speaker Set from DD Audio offers a load capacity that is both dynamic and robust. In a pink noise test, a nominal power of 65 W is achieved, promising high reliability in everyday applications. The peak power during performance tests is an impressive 150 W, meaning this system is capable of delivering excellent sound quality consistently even at high sound pressure levels. This performance is ideal for anyone who prefers intense sound reproduction without compromising on sound fidelity.

What impedance do the Tweeter and Midrange driver have?

Impedance is an important feature that affects compatibility with Amplifiers. The C-C6.5C component set has specific impedance values: The Tweeter has an impedance of 3.0 Ohms, while the Midrange driver has an impedance of 2.0 Ohms. These values allow for efficient driving by most modern amplifier systems, ensuring a high-quality sound experience. The lower impedance of the Midrange driver can be particularly beneficial for speaker designs that are intended to allow for higher power consumption. When integrating, make sure your amplifier supports this impedance.

What materials are used for the membranes of the speaker?

The membranes of the C-C6.5C Speaker Set are made from state-of-the-art materials to ensure optimal sound behavior. The Midrange driver uses a curved, flat composite membrane made of asymmetric carbon and fiberglass fabric, providing stability and damping without deforming under load. The Tweeter, on the other hand, features an ultra-lightweight, hemispherical membrane made from an advanced magnesium-aluminum alloy that is only 0.035 mm thick. This construction ensures that the speaker achieves lightning-fast transients and an extended frequency range up to 40 kHz.

How is sound quality optimized in this Speaker Set?

The sound quality of the C-C6.5C Speaker Set is optimized through various innovative steps. The midrange driver uses a high-energy CnC motor that minimizes electromagnetic distortion through a short-circuit ring motor design. Additionally, it features a ventilated suspension system that dampens unwanted resonances. The tweeter, on the other hand, is equipped with a rear chamber construction that finely tunes the low frequencies and reduces distortion. Combined with neodymium magnet systems and a machined aluminum housing, it achieves natural, detailed reproduction across the entire frequency range.

What installation information is important for the C-C6.5C Set?

When installing the C-C6.5C Speaker Set, the specific dimensions should be noted. The tweeter has an overall diameter of 53 mm and a mounting depth of 17 mm, while the midrange driver has an overall diameter of 167 mm and a mounting depth of 43 mm. These dimensions allow for flexible integration into most vehicle models without compromising the interior space. The mounting cutout diameter is 44.6 mm for the tweeter and 143 mm for the midrange driver. Ensure that the designated installation locations support these dimensions to ensure a hassle-free installation.

What are the resonance frequencies of the tweeters and midrange drivers?

The resonance frequency is crucial for the distortion-free potential of the speaker drivers. The tweeter of the C-C6.5C Set has a resonance frequency of 582.521 Hz, while the midrange driver is at 49.374 Hz. These values reflect the tuned design of the speaker set and its ability to significantly reduce distortion while clearly and distinctly reproducing the full sound spectrum. A precisely tuned resonance frequency ensures that even quiet sounds are represented with remarkable clarity, which is particularly advantageous for complex musical pieces.

How does the design affect the frequency reproduction of the speaker?

The C-C6.5C Speaker Set features a thoughtful design that significantly enhances frequency reproduction. The high-frequency range is optimized by a dual magnet system that realistically elevates the important frequencies. Additionally, the tweeter is capable of reproducing frequencies up to 40 kHz, which increases sound fidelity. The midrange driver uses a ventilated suspension system to refine reproduction in the midrange, which is particularly noticeable in the representation of voices and instruments. The frequency response of the system extends from 60 to 40,000 Hz.

Which Thiele Small parameters are important for the listening experience?

The Thiele-Small parameters directly influence the sound performance of the C-C6.5C Speaker Set in the enclosure. For the Tweeter, Qms is 12.164, while Qes is 0.965 and Qts is 0.894. The Midrange has a Qms of 3.912, Qes of 0.359, and Qts of 0.329. These parameters provide insights into the speakers' ability to operate efficiently at different frequencies. A low Qts value indicates that the speaker is suitable for optimal performance in a closed enclosure or in free field. These parameters are essential for fine-tuning your setup and optimizing the sound experience.

How does the voice coil affect sensitivity and transients?

The voice coil is crucial for the performance of the C-C6.5C speaker system. The Tweeter is equipped with a copper-coated aluminum voice coil, which reduces mass and improves sensitivity. The diameter of the voice coil is 18.4 mm for the Tweeter and 25.5 mm for the Midrange. This design supports fast response times, leading to lightning-fast transients and enhanced dynamics. The bifilar-wound voice coil of the Midrange additionally contributes to mass reduction and optimizes efficiency, which particularly enhances sound quality in both quiet and loud passages.

How does the installation of the C-C6.5C Speaker Set differ?

The C-C6.5C Speaker Set allows for flexible installation in a variety of vehicle models due to its universal and space-saving design. The Tweeters are protected by a CNC-milled stainless steel grille and come with a flexible ABS mount that offers various installation options. This thoughtful design ensures that they fit both existing installation solutions and provide innovative mounting possibilities. Easy adjustments in placement are possible to achieve optimal sound direction, while the low installation depth allows for installation even in compact spaces.

Manufacturer information/responsible person

Audio Import Group
Pekka Kinnunen
Palkkitie 10
84100 Ylivieska
Finland

Contact: info@audioimport.fi

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