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ETON

4-212/C8/25 HEX

4" (10cm) midrange driver

Normal price 107,10€
Normal price 119,00€ selling price 107,10€
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Highlights

  • 4" midrange driver, 50W, 100-5400 Hz, versatile.
  • Open phase plug construction, 3-layer membrane.
  • Overhung drive system, ferrite magnet, precise performance.
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brand: ETON
Delivery time:
Available for delivery, with you in 1-4 days
Number:
Piece
Watt RMS:
50
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Normal price 119,00€ selling price 107,10€

Discover the 4" (10cm) midrange driver 4-212/C8/25 HEX from ETON, which is characterized by its innovative open phase plug design and the 3-layer Hexacone sandwich membrane. With a power handling of 50 watts and a frequency range of 100 - 5400 Hz, this speaker offers versatile application possibilities and a spatially open reproduction with neutral sound characteristics. The mechanical properties include a surround thickness of 6 mm and a weight of 1.2 kg. The midrange driver features an overhung drive system and a ferrite magnet, while the 25 mm voice coil is made of copper and Kapton, ensuring reliable performance.

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 5.9 Ω
  • Mechanical resistance RMS 0.58 kg/s
  • Effective radiation area SD 55 cm2
  • Electrical quality Qes 0.43
  • Power factor BLxl 5.8 Tm
  • Load capacity Watt 50 W
  • Compliance of the suspension CMS 0.84 mm/N
  • Total quality Qts 0.39
  • Total moving mass (including moving air mass) MMD 6.2 g
  • Inductance oscillating coil Le 0.4 mH
  • Resonance frequency TSP at 69 Hz
  • Resonance frequency 1W for 57 Hz
  • Average sound pressure level 1W/1m SPL 88 dB
  • Equivalent volume VAS 3.6 dm3
  • Nominal impedance Zn 8 Ω
  • Xmax mechanical +/- 5.5 mm
  • Mechanical quality Qms 5.09
  • Xmax electric +/- 2 mm

Magnet

  • Overhung Drive System
  • Ferrofluid no/no
  • Dimensions 90 x 36 mm
  • Air gap height 6 mm
  • Height 10 mm
  • Material Ferrite/Ferrite
  • Magnetic flux density 1.15 T

frequency range

  • Recommended frequency range 100 - 5400 Hz
The 4-212/C8/25 HEX midrange driver from ETON features an innovative, open phase plug design with a 3-layer hexacone sandwich membrane. The electrical properties include a nominal impedance of 8 Ω, a DC resistance of 5.9 Ω, and a power handling capacity of 50 watts. The voice coil is made of copper and Kapton, with a diameter of 25 mm. Additionally, the product has a mechanical quality factor Qms of 5.09 and an electrical quality factor Qes of 0.43. Other features include a total quality factor Qts of 0.39 and an effective radiating area of 55 cm².
The 4-212/C8/25 HEX midrange driver from ETON is designed for a frequency range of 100 Hz to 5400 Hz. Its resonance frequency TSP is 69 Hz, and the resonance frequency at 1 Watt is 57 Hz. With an average sensitivity level of 88 dB at 1W/1m, the speaker ensures clear and powerful music reproduction. The frequency range is designed to provide a spatially open reproduction, which is particularly important for demanding audio applications, especially if you enjoy listening to music at high volumes.
The voice coil of the ETON 4-212/C8/25 HEX is made of copper and has a diameter of 25 mm. It consists of two winding layers, with the carrier material made of Kapton. This combination ensures high thermal stability and durability, which is particularly advantageous in demanding acoustic applications. The mechanical resistance of the voice coil is 0.58 kg/s and the inductance is 0.4 mH. This allows for precise control and adjustment of the sound profile, benefiting the balance in audio performance.
When installing the 4-212/C8/25 HEX, the dimensions should be taken into account. The installation diameter is 96 mm, while the overall depth is 66 mm. The edge thickness is 6 mm. Mount the speaker in a housing or at a location that provides enough space for these dimensions. Ensure that the speaker is securely fixed to avoid vibrations that could affect audio quality. Additionally, the electrical connections – terminal 2.8/4.8 mm – must be properly made to ensure optimal performance.
The 4-212/C8/25 HEX from ETON offers a power handling capacity of 50 watts, which means it is capable of easily handling both moderate and higher volume levels. The average sensitivity level is 88 dB at 1W/1m, ensuring clear and powerful audio reproduction. The combination of this high sensitivity level and robust power handling allows the speaker to reproduce both fine nuances and strong sound peaks without distortion, a significant advantage for high audio quality in various applications.
The 4-212/C8/25 HEX has a rim thickness of 6 mm and weighs 1.2 kg. The overall diameter is 122 mm and the overall depth is 66 mm, making it a compact solution for medium speaker systems. The overhung drive system is supported by a ferrite magnet that has a magnetic flux density of 1.15 T. All these features support optimal performance in a durable enclosure. The total moving mass, including the moving air mass, is 6.2 g, which is crucial for the dynamic reproduction of music.
The overhung drive system in the ETON 4-212/C8/25 HEX ensures better control of the diaphragm movement, especially at high excursions. Due to the overhung design, the voice coil remains fully within the magnetic field even at maximum excursion, which ensures the linear movement of the diaphragm and minimizes distortion. By using a ferrite magnet and a magnetic flux density of 1.15 T, excellent drive performance is guaranteed, which is advantageous in various acoustic applications. This system plays a crucial role in the high sound quality and reliability of the midrange driver.
The resonance frequency of the 4-212/C8/25 HEX is 69 Hz at the TSP values and 57 Hz at 1 watt. This frequency is the point at which the speaker naturally radiates sound most efficiently, contributing to an improvement in sound quality. A low resonance frequency means that the speaker reproduces lower frequencies more efficiently, which is particularly important for bass-heavy music or demanding acoustic requirements. The combination of these frequencies with a balanced frequency range creates a fuller, more realistic sound image.
The 3-layer Hexacone sandwich membrane of the 4-212/C8/25 HEX offers several acoustic advantages. It ensures high stability and reduces distortion due to its rigid construction while maintaining a low weight. This results in a fast and precise response to audio signals. The special structure of the membrane also provides improved internal damping, which enhances sound neutrality. In combination with the overhung drive system, it enables detailed and distortion-free reproduction across the entire frequency range.
To optimally position the ETON 4-212/C8/25 HEX, the installation location should accommodate the dimensions of the speaker. With an overall diameter of 122 mm and a mounting depth of 66 mm, it is important to choose a location that can accommodate these specifications. A central mounting in the audio system can ensure a more even sound distribution. Be careful not to place the speaker too close to boundaries, as reflections from the structure can affect the sound. A proper cable connection to the terminals 2.8/4.8 mm ensures optimal power delivery.

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

Features


  • Highlights

    • 4" midrange driver, 50W, 100-5400 Hz, versatile.
    • Open phase plug construction, 3-layer membrane.
    • Overhung drive system, ferrite magnet, precise performance.

weight

1.2 kg

Technical data


Watt RMS Load Capacity

50

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Your advantages with Masori


Eton 4-212/C8/25 HEX Midrange Driver: Buy online now at a low price with Masori Lowest Price Guarantee

If you want to buy the Eton 4-212/C8/25 HEX midrange speaker online, you will find numerous technical highlights. The power handling of 50 watts ensures excellent performance at various volume levels. With an effective radiation area of 55 cm², this midrange speaker provides wide sound distribution. The 3-layer Hexacone sandwich membrane significantly improves sound fidelity. The frequency range of 100-5400 Hz opens up extensive application possibilities. The innovative open phase plug design excellently minimizes distortions. The compact design with a weight of 1.2 kg allows for flexible installation options. With the Masori lowest price guarantee, you are always on the safe side financially.

Advanced 3-layer Hexacone sandwich membrane for outstanding sound performance

The 3-layer Hexacone sandwich membrane of the Eton midrange driver optimizes sound fidelity and stability. This technology combines lightness with stiffness, resulting in a balanced sound image while reducing distortion. Such membranes are known to maintain a neutral sound characteristic even at high volumes. Compared to conventional membrane materials, the Hexacone technology excels with exceptionally clear and dynamic sound reproduction. An increase in layers can enhance material stiffness, which is important for minimizing resonances.

Open phase plug design for precise sound images

The open phase plug design of the Eton 4 midrange driver is a technological highlight. This structure ensures more effective cooling of the voice coil, which increases performance under continuous load. Additionally, by minimizing air compressions in the phase plug design, a more homogeneous sound distribution is achieved. This results in a more precise sound image, which is particularly advantageous in acoustically demanding environments. A closed phase plug would have disadvantages in direct comparison regarding heat dissipation and could impair the frequency response.

Optimal load capacity and frequency range: 50 watts and 100-5400 Hz

The Eton 4-212/C8/25 HEX midrange driver offers excellent performance with its power handling of 50 watts. Within its frequency range of 100 to 5400 Hz, it demonstrates impressive behavior in the midrange domain. The typical power handling for car speakers is often below 50 watts, which is why this model has an above-average performance rating. This extended frequency range ensures particularly comprehensive sound reproduction and does not miss any frequency details that many competitors cannot cover.

Innovative overhung drive system and ferrite magnet for high efficiency

The Eton midrange driver uses an overhung drive system that ensures linear displacement of the diaphragm, thus achieving improved sound precision. The ferrite magnet used increases sensitivity and contributes to excellent efficiency. A higher magnetic flux can further enhance sensitivity, which, however, does not necessarily lead to better sound quality but rather improves energy efficiency. In conjunction with the copper/kapton voice coil, reliable performance is guaranteed, which does not diminish even under increasing thermal stress.

Mechanical construction and weight of the midrange speaker

With a cone thickness of 6 mm and a total weight of 1.2 kg, the Eton midrange speaker is robustly built yet light enough for easy installations in a variety of vehicle models. The overall diameter is 122 mm, with a mounting diameter of 96 mm and a total depth of 66 mm, supporting versatile installation options. Comparable models vary greatly in terms of material thicknesses and weights, but the Eton midrange speaker demonstrates that high-quality materials do not necessarily lead to a high overall weight, making installation easier.

Copper and Kapton coil for excellent durability

The diameter of the copper coil is 25 mm and is wound on a Kapton carrier. This combination offers high thermal resistance and excellent electrical conductivity. The choice of copper as the wire material maximizes electrical efficiency and minimizes power loss, while Kapton provides additional thermal stability, ensuring that distortions remain minimal even under high load. A narrower or wider coil, as often seen in competing models, would make the behavior at high volumes appear less linear, thus affecting overall performance.

Terminal and connection details for versatile integration options

The midrange driver features terminal sizes of 2.8 mm and 4.8 mm, ensuring compatibility with a variety of connection configurations. The precise sizing of the connection points allows for flexible integration of the midrange driver into existing systems, thereby reducing complexity during installation. By integrating this speaker into your setup, you can create a harmonious sound representation that fits organically into your system. Other systems with inaccurate terminals often struggle to achieve such a seamless installation.

Mechanical quality and optimized resonance frequency

The mechanical quality Qms of 5.09 of the Eton midrange driver indicates its effective ability to process acoustic energy mechanically. A higher value in this category suggests a robust suspension that maintains the flexibility of the diaphragm, thereby avoiding unwanted resonances. The resonance frequency at 1W of 57 Hz suggests that this midrange driver also provides stable performance at low frequencies. A lower resonance frequency improves bass reproduction, while higher resonance frequencies in other models could limit sound depth.

Thiele-Small parameters and their significance for sound quality

The total Thiele-Small parameters such as the DC resistance Re of 5.9 Ω and the electrical quality factor Qes of 0.43 indicate the carefully tuned components of the speaker. The force factor BL of 5.8 Tm shows that the interaction between the voice coil and the magnetic field is optimally designed to ensure high efficiency. The higher the BL value, the more control the drive system has over the diaphragm movement, which is not present in this quality in competing models with sometimes lower values.

Fit-in-Car: Expert support and installation simplify the installation.

If installing an Eton 4-212/C8/25 HEX midrange speaker is a challenge for you, on-site installation in Frankfurt (Oder) offers professional support. With the Expert Support FAQ & Help page, you will receive essential advice on optimal positioning. Additionally, the Audio Blog provides information on innovations and in-depth insights into the world of car hi-fi.