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ETON

4-612/C8/25 RP

4" (10cm) midrange driver

71,10€
79,00€ 71,10€
-10%
incl. VAT , possibly plus shipping

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Highlights

  • Power 40 W, impedance 8 Ω, frequency range 80-5000 Hz.
Seen more cheaply Personal Offer
brand: ETON
Delivery time:
Available for delivery, with you in 1-4 days
Number:
Piece
Watt RMS:
40
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ETON-4-612/C8/25 RP-4" (10cm) Mitteltöner-masori-kaufen
71,10€
79,00€ 71,10€

The 4-612/C8/25 RP from ETON is a versatile 4" (10cm) midrange driver, ideal for various applications. With a ribbed paper diaphragm, it offers a neutral sound character with warm mids and solid bass foundation. The open design with phase plug supports these acoustic properties. Technical highlights include a robust voice coil with Kapton carrier material and Cu wire, a magnetic flux density of 1.15 T, and a frequency range of 80 to 5000 Hz. The midrange driver weighs 1.2 kg and is rated for a power handling of 40 W.

Mechanical Data

  • Terminal 2.8/4.8 mm
  • Diameter screw hole 4.5/8 mm
  • Core thickness 6 mm
  • Total depth 66 mm
  • Installation diameter 96 mm
  • Weight 1.2 kg
  • Overall diameter 122 mm

oscillating coil

  • Winding positions 2
  • Carrier material Kapton
  • Wire material Cu
  • Diameter 25 mm

Technical Data

  • Direct current resistance Re 5.8 Ω
  • Mechanical resistance RMS 0.37 kg/s
  • Effective radiation area SD 55 cm2
  • Electrical quality Qes 0.34
  • Power factor BLxl 6.1 Tm
  • Load capacity Watt 40 W
  • Compliance of the suspension CMS 1 mm/N
  • Total quality Qts 0.32
  • Total moving mass (including moving air mass) MMD 5.4 g
  • Inductance of oscillating coil Le 0.36 mH
  • Resonance frequency TSP at 68 Hz
  • Resonance frequency 1W for 66 Hz
  • Average sound pressure level 1W/1m SPL 88 dB
  • Equivalent volume VAS 4.2 dm3
  • Nominal impedance Zn 8 Ω
  • Xmax mechanical +/- 6.8 mm
  • Mechanical Quality Qms 6.78
  • Xmax electric +/- 2 mm

Magnet

  • Overhung Drive System
  • Ferrofluid no/no
  • Dimensions 90 x 36 mm
  • Air gap height 6 mm
  • Height 17 mm
  • Ferrite Material
  • Magnetic flux density 1.15 T

Frequency range

  • Recommended frequency range 80 - 5000 Hz
The ETON 4-612/C8/25 RP midrange driver covers a frequency range of 80 to 5000 Hz. This allows for detailed reproduction of both lower and mid frequencies, which is essential for balanced sound reproduction in audio systems. Furthermore, the frequency response capability contributes to the speaker's flexibility in various applications, such as being part of a multi-way speaker system. The midrange driver is characterized by its neutral sound signature with warm mids and a solid bass foundation, which combine with supporting technical factors like the ribbed paper diaphragm to ensure the best possible sound fidelity.
The voice coil of the ETON 4-612/C8/25 RP consists of two winding layers and is made of copper wire. It is wound on a Kapton carrier material, which provides excellent heat resistance and stability. The diameter of the voice coil is 25 mm, contributing to efficient and precise control behavior. This design allows the midrange driver to function optimally at a nominal power rating of 40 W. The effective drive of the voice coil enables precise sound reproduction with minimal power loss, which is particularly advantageous at higher volumes.
The magnet of the ETON 4-612/C8/25 RP is based on an overhung drive system with a magnetic flux density of 1.15 T. Made from ferrite material, it has dimensions of 90 x 36 mm, with an air gap height of 6 mm. These features ensure a uniform magnetic field distribution and provide a stable working environment for the voice coil. Due to the precise adjustment, the magnet design allows for optimal control over the diaphragm movements, which in turn ensures sound fidelity. These parameters are crucial for accurate sound reproduction and enhance the overall dynamics of the midrange driver.
For the ETON 4-612/C8/25 RP midrange driver, the crucial Thiele-Small parameters are: the electrical quality factor Qes at 0.34 and the mechanical quality factor Qms at 6.78. The total quality factor Qts is 0.32, indicating a well-balanced behavior between mechanical and electrical damping characteristics. The resonance frequency TSP fr is at 68 Hz, while the total moving mass MMD is at 5.4 g. The force factor BLxl measures 6.1 Tm, indicating a strong interaction between the magnetic field and the voice coil. These parameters provide comprehensive insight into the acoustic behavior and performance of the speaker in various setups.
The ETON 4-612/C8/25 RP midrange speaker weighs 1.2 kg and has an overall diameter of 122 mm. The total depth of the speaker is 66 mm. For installation, the cut-out diameter of 96 mm and the rim thickness of 6 mm are important. The diameter of the screw holes is 4.5/8 mm, ensuring that the midrange speaker can be securely mounted. With these dimensions, the midrange speaker is ideally suited for installation in a variety of speaker setups, including both DIY projects and standard speaker systems.
The ETON 4-612/C8/25 RP is characterized by its neutral sound signature. The ribbed paper diaphragm plays a crucial role here, delivering clear and warm mids that, in combination with a solid bass foundation, ensure a balanced sound. The phase plug, another technical feature, supports these characteristics by improving high-frequency reproduction and sound focus. With an effective radiation area of 55 cm² and an average sensitivity level of 88 dB, this speaker delivers impressive sound quality that remains convincing at both low and high levels.
For the ETON 4-612/C8/25 RP, the mechanical resistance RMS is 0.37 kg/s. This value informs about the loss of mechanical energy and reflects the degree of the internal damping behavior of the speaker. In conjunction with a compliance of the suspension CMS of 1 mm/N, the speaker offers high precision in reproduction and minimizes distortion. These mechanical values favor both the linearity and the response behavior of the speaker and significantly contribute to the overall quality and performance, especially in a frequency range between 80 to 5000 Hz.
The ETON 4-612/C8/25 RP has a nominal impedance of 8 Ω and a DC resistance Re of 5.8 Ω. These parameters are crucial for the electrical matching and energy efficiency of the speaker. The inductance of the voice coil is 0.36 mH, which provides an indication of the frequency response at increasing frequencies. An average sensitivity level of 88 dB ensures efficient sound pressure generation even with lower energy input. The power handling of the speaker is 40 W, making it a robust component in various audio setups.
The ribbed paper membrane of the ETON 4-612/C8/25 RP midrange driver offers a neutral and balanced sound characteristic. The ribbing supports the integration of acoustic properties that strengthen both the mids and the bass range. Due to its special structure, the membrane reduces resonances and distortions, which in turn contributes to improved clarity and detail fidelity. Especially if you enjoy listening to music at high volumes, you will benefit from the clear sound reproduction. Thanks to the interaction with other components of the speaker, a harmonious sound experience is created that remains of high quality regardless of the volume.
The installation of the ETON 4-612/C8/25 RP midrange speaker in the car is relatively straightforward, provided that the dimensions match the intended installation locations. With a mounting diameter of 96 mm, the midrange speaker fits into many standard openings. The overall depth of 66 mm and the basket thickness of 6 mm are also critical factors that need to be considered during installation. The screw hole diameters of 4.5/8 mm allow for the use of common mounting mechanisms in the vehicle. By adhering to these mechanical specifications, the midrange speaker can be optimally integrated into various vehicles without the need for major modifications.

ACR Brändli + Vögeli AG
Roland Brändli
Bohrturmweg 1
5330 Bad Zurzach
Switzerland

EU responsible person:
ACR S + V GmbH
Industriestr. 35
79787 Lauchringen
Germany

Contacts: compliance@acr.eu

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Product Specifications

Manufacturer

ETON

Product type

4" (10cm) midrange driver

Features

  • Highlights

    • Power 40 W, impedance 8 Ω, frequency range 80-5000 Hz.

weight

1.2 kg

Technical data

Watt RMS Load Capacity

40

configurators

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Your advantages with Masori

Buy ETON 4-612/C8/25 RP midrange speaker online with warm sound character

The ETON 4-612/C8/25 RP impresses not only with its compact dimensions but also with its fine tuning. By purchasing on masori.de, you secure the best price thanks to our lowest price guarantee. Highlights such as the ribbed paper diaphragm and the robust voice coil ensure excellent performance. The magnetic flux density of 1.15 T and the frequency range of 80 to 5000 Hz make it a versatile all-rounder. A high load capacity of 40 W and an average sound pressure level of 88 dB complete the package for demanding applications. Additionally, it impresses with an inviting sound profile featuring warm mids and solid bass.

Sound character and diaphragm of the ETON 4-612/C8/25 RP midrange driver

The ETON 4-612/C8/25 RP impresses with its ribbed paper diaphragm, which offers a neutral sound character. This diaphragm ensures warm mids as well as a solid bass foundation. Technically speaking, the structure of the diaphragm improves internal damping, leading to a pleasant sound. Compared to other midrange drivers, the ribbed surface helps to reduce distortion. This central sound is ideal for demanding applications where precision and clarity are paramount. A smoother diaphragm, on the other hand, could create a brighter sound image, while a heavier diaphragm might enhance the bass character, but at the cost of efficiency.

Specifications of the voice coil with Kapton carrier material

The ETON 4-612/C8/25 RP midrange driver is equipped with a voice coil that has a diameter of 25 mm and is made of copper wire. The Kapton carrier material increases thermal resistance, allowing for long listening enjoyment even at higher volumes. Two winding layers ensure improved performance efficiency and precise sound reproduction. Compared to voice coils made of aluminum, copper offers better conductivity, which directly leads to more efficient energy transfer. A smaller or larger diameter could affect heat distribution as well as sound quality, with larger coils often providing more robust bass reproduction.

Magnetic drive system with 1.15 T for precise sound reproduction

With a magnetic flux density of 1.15 Tesla, the magnet of the ETON 4-612/C8/25 RP is particularly strong, ensuring precise sound reproduction. The ferrite magnet is a traditional material valued for its cost-effective and reliable properties. The overhung drive system allows for a high linear displacement, which in this context means that even at high levels, distortion-free reproduction is guaranteed. If the flux density were higher, it could generate an even more effective speaker motor force, while a weaker flux density might offer less capability for fine sound resolution.

Frequency range for a wide application range

The frequency range of the ETON 4-612/C8/25 RP lies between 80 and 5000 Hz, allowing for flexible application. This bandwidth primarily covers the important midrange, which is ideal for applications in vehicle interiors. The majority of vocal and instrumental details fall within this range, making the coverage of this bandwidth crucial. An extended frequency range could allow for more versatile applications, with the lower limit expanded for more bass and the upper limit expanded for more treble.

Mechanical data and installation dimensions of the midrange speaker

With a weight of 1.2 kg and an overall diameter of 122 mm, the ETON 4-612/C8/25 RP is optimally sized for integration into many vehicle models. Its overall depth of 66 mm and the installation diameter of 96 mm facilitate mounting in standard and custom enclosures. The rim has a thickness of 6 mm, while the screw holes measure 4.5/8 mm in diameter. These dimensions ensure stability while making installation easier. A lower weight or more compact dimensions could increase application possibilities, but may reduce sound quality.

Impedance and electrical properties

A nominal impedance of 8 Ω and a DC resistance of 5.8 Ω are characteristic of the ETON 4-612/C8/25 RP. These values are ideal for integration with commercial amplifiers, without excessively stressing the amplifier or speaker. Compared to speakers with lower impedance, this type offers better speaker control, which improves sound fidelity. A lower impedance could increase the power arriving at the speaker, but it could also increase heat generation and the risk of distortion.

Total quality Qts and mechanical quality Qms

With a total quality factor Qts of 0.32 and a mechanical quality factor Qms of 6.78, the ETON 4-612/C8/25 RP is designed for applications where precision is required. A reduced value of Qts could indicate stronger damping, which might lead to more precise bass reproduction in closed enclosures. Lower values of Qms could suggest greater loss-related damping, which could reduce the resonance peak in the bass range, thus ensuring more accurate sound reproduction.

Connection options and terminal dimensions

The connection options for the midrange speaker consist of terminals with dimensions of 2.8/4.8 mm. These universal terminals allow for a reliable and stable connection to almost all car audio systems. More stable or larger terminals could improve load capacity but are often designed for larger speakers. The presence of standardized connections also facilitates replacement and integration into existing systems without specific adjustments.

Effective radiation area SD and resonant properties

An effective radiation area of 55 cm² and a resonance frequency of 68 Hz are specific features of the ETON 4-612/C8/25 RP that further enhance its performance. This design strongly influences the sound radiation and directivity of the speaker. A larger radiation area would promise more efficient bass output but could require a larger enclosure. A lower resonance frequency could expand the frequency range in the bass but might reduce precision in the mid-frequency range. For assistance with installation and further professional support, the on-site installation in Frankfurt (Oder) offers professional help. Our customers can also use the Expert Support FAQ & Help as well as the Audio Blog to unlock the full potential of their sound system.