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  5. Opus 6.5 inch
Quartorigo Opus 6.5 inch 6.5" (16,5cm) Mid-Woofer
SKU:  OPUS-6.5
90 Watt

Opus 6.5 inch

SKU:  OPUS-6.5

Technical Highlights

  • 90 W rated power, 4 Ω rated impedance, for rich sound music.
    Sensitivity of 89 dB, frequency range up to 8,000 Hz.
    Fs 57.77 Hz, Vas 13.95 L, perfect technical possibilities.
  • More technical details
€2.639,00
€2.639,00 €2.639,00
5% discount with prepayment
inkl. VAT , possibly plus shipping
Delivery
May 18, - May 21,
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€2.639,00 €2.639,00

Opus 6.5 inch by Quartorigo

The Opus 6.5 Inch from Quartorigo is a 6.5 inch mid-bass speaker. The model features a 38 mm voice coil and a diaphragm made of paper. Ferrite is used as the magnet material. The nominal impedance is specified at 4 Ω. The nominal power is 90 W. The device covers a frequency range from 60 Hz to 8,000 Hz. The sensitivity is at 89 dB. Technical parameters such as an Fs of 57.77 Hz and a Vas of 13.95 l characterize the construction.

Features
  • 6.5 Inch (16.5 cm) Mid-Bass Speaker
  • Nominal Power: 90 W
  • Diaphragm Material: Paper
  • Magnet Material: Ferrite
  • Voice Coil: 38 mm
  • Nominal Impedance: 4 Ω
  • Frequency Response: 60 Hz - 8,000 Hz
  • Sensitivity: 89 dB
Technical Data
  • Fs: 57.77 Hz
  • Qms: 11.34
  • Vas: 13.95 l
  • Re: 3.10 Ω
  • Qes: 1.14
  • Qts: 1.03
  • B*I: 3.64 T*m
  • dBspl: 85.76
  • Sd: 133 cm²
  • Cms: 0.57 mm/N
  • Mms: 13.38 g
  • Rms: 0.43 Ωm
  • Mmd: 12.52 g
  • Zmin: 3.48 Ω
  • Zmax: 34.02 Ω
  • L1KHz: 0.15 mH
  • L10KHz: 0.45 mH

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Frequently Asked Questions about Opus 6.5 inch

What are the dimensions of the Quartorigo Opus 6.5" midrange driver?

The Quartorigo Opus 6.5" is a midrange driver with a diameter of 165 mm or 6.5 inches. This makes it an ideal size for installation positions that require a compact speaker without compromising on sound fullness. With its 38 mm diameter voice coil, it can also be installed in tight enclosures, providing additional flexibility for integration in vehicles or other audio applications. When installing, always consider the space requirements and available installation area. This is especially important for door panels to ensure an optimal fit.

What distinguishes the diaphragm material of the Opus 6.5"?

The Opus 6.5" uses paper as its diaphragm material, a classic and proven material in speaker construction. Paper diaphragms are known for their ability to produce a natural sound, which is particularly advantageous during high music output. This diaphragm allows the speaker to produce a balanced and warm sound signature, making it ideal for many music genres. The choice of material contributes to the overall dynamics and tonality of the speaker, ensuring that all musical details are reproduced accurately without the harshness that can occur with synthetic materials.

What power does the Quartorigo Opus 6.5" deliver?

The Quartorigo Opus 6.5" achieves a nominal power of 90 watts, making it a powerful choice for various applications. This power allows you to enjoy music without distortion at high volumes. Combined with a sensitivity of 89 dB, the speaker offers impressive efficiency. This combination ensures that you hear clear and distinct sounds even in high noise environments, such as in a car with open windows. This way, the full sound potential of your audio system is utilized without the speaker reaching its limits.

What is the frequency response of the Opus 6.5"?

The frequency response of the Opus 6.5" ranges from 60 Hz to 8,000 Hz. This range covers the critical midrange and partially the bass range, meaning that the speaker has the ability to reproduce both the fundamental sound and important harmonic details accurately. Such a frequency spectrum ensures that both human voices and a variety of instruments can be reproduced clearly and balanced. This is particularly useful in complex music or film material, where different sound information needs to be reproduced faithfully to ensure an immersive listening experience.

What are the Thiele-Small parameters of the Quartorigo Opus 6.5"?

The Opus 6.5" offers a range of Thiele-Small parameters that highlight its performance capabilities. The resonance frequency Fs is 57.77 Hz, which is significant for the lower frequency range. The equivalent volume Vas is 13.95 L and provides insights into the cabinet size required for optimal performance. The mechanical quality factor Qms is 11.34, while the total quality factor Qts is 1.03. These values are crucial for the characteristics of the speaker in enclosures and influence bass reproduction and overall sound quality. These parameters allow audio enthusiasts to perform precise enclosure calculations.

What is the impedance and sensitivity of the Opus 6.5" speaker?

The Opus 6.5" from Quartorigo has a nominal impedance of 4 Ω, making it ideal for various amplifier configurations. This impedance allows for flexible integration into many existing audio systems without the need for adjustments. The sensitivity of the speaker is 89 dB, which directly affects the volume that can be achieved with low power input. Together, this combination provides an excellent balance between performance and energy efficiency, allowing you to operate the speaker even with less powerful amplifiers without loss of quality.

How do I determine the compatibility of the Opus 6.5" with my vehicle?

To determine the compatibility of the Opus 6.5" mid-woofer with your vehicle, you should check the available installation dimensions of your vehicle doors or the intended installation location. The speaker has a diameter of 165 mm (6.5 inches), making it compatible with many standard installation spaces in vehicles. The installation also requires considering the depth and space behind the installation opening to ensure a proper fit. If in doubt, it is advisable to consult the vehicle documentation or seek professional advice to avoid incorrect installations.

What magnetic materials are used in the Quartorigo Opus 6.5"?

The Quartorigo Opus 6.5" uses ferrite as its magnetic material. Ferrite magnets are known for their stability and resistance to temperature changes, giving them an advantage in mobile applications. This means that the speaker can maintain consistent performance under various environmental conditions. Ferrite also offers an optimal price-performance ratio, as it is a cost-effective option without compromising sound quality. Its magnetic stability ensures that the voice coil is driven evenly, which is essential for precise and distortion-free sound reproduction.

How does the voice coil size affect the sound of the Opus 6.5"?

The voice coil of the Opus 6.5" has a diameter of 38 mm, which is a significant size compared to many other speakers in this category. A larger voice coil allows for greater heat exchange and reduces thermal compression effects that can occur under high power demands. This results in the speaker remaining stable and consistent even at extended volumes. Additionally, the large voice coil improves control over the diaphragm, allowing the speaker to operate more precisely and dynamically. This is a clear advantage, especially in demanding music genres that require high precision.

How is the B⠂I product of the Quartorigo Opus 6.5" relevant to its performance?

The B⠂I product of the Quartorigo Opus 6.5", which is at 3.64 T⠂m, is a critical parameter for the efficiency of power transfer from the coil to the diaphragm. It indicates the strength of the drive system and influences the speaker's ability to execute precise movements. A higher B⠂I value represents a stronger drive, leading to more accurate sound reproduction. This is particularly beneficial in complex musical pieces, as it allows for greater control over diaphragm movements, thereby minimizing distortion. This way, you achieve clear and precise sound at any volume.

Manufacturer information / responsible person

Quartorigo

Via Roma 68/A

62100 Macerata (MC) | Italy

info@quartorigo.com

+39.0733.262025

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