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ETON

4-512/C8/25 RP

4" (10cm) midrange driver

80,10€
89,00€ 80,10€
-10%
incl. VAT , possibly plus shipping

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Highlights

  • 4" midrange driver, 40W, 80-5000 Hz, precise sound reproduction.
  • Kapton and copper voice coil, ferrite magnet structure.
  • Compact, 1.23 kg, 122 mm diameter, versatile.
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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80,10€
89,00€ 80,10€

The midrange speaker 4-512/C8/25 RP from ETON is a 4" (10 cm) speaker that impresses with its mechanical and technical excellence. This model is equipped with a robust voice coil made of Kapton and copper and delivers an output power of 40 watts. With a resonance frequency of 80 Hz and a recommended frequency range of 80 - 5000 Hz, this midrange speaker is versatile in use. The ferrite magnet structure provides a magnetic flux density of 1.15 T. Despite its weight of 1.23 kg and an overall diameter of 122 mm, the midrange speaker can be easily integrated and offers precise sound reproduction.

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 1.23 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 0.38 kg/s
  • Effective radiation area SD 55 cm2
  • Electrical quality Qes 0.34
  • Power Factor BLxl 6 Tm
  • Load capacity Watt 40 W
  • Compliance of the suspension CMS 0.86 mm/N
  • Total quality Qts 0.32
  • Total moving mass (including moving air mass) MMD 4.5 g
  • Inductance oscillating coil Le 0.35 mH
  • Resonance frequency TSP for 80 Hz
  • Resonance frequency 1W for 78 Hz
  • Average sound pressure level 1W/1m SPL 88 dB
  • Equivalent volume VAS 3.7 dm3
  • Nominal impedance Zn 8 Ω
  • Xmax mechanical +/- 6.8 mm
  • Mechanical Quality Qms 6.65
  • 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 4-512/C8/25 RP midrange driver offers a variety of technical specifications: It features a voice coil with a Kapton carrier material and copper wire, two winding layers, and a diameter of 25 mm. The DC resistance is 5.8 Ω, and the power handling capacity is 40 watts. The resonance frequency is set at 80 Hz, while the frequency range extends from 80 to 5000 Hz. Noteworthy are an effective radiating area of 55 cm², a mechanical resistance of 0.38 kg/s, and a total quality factor of 0.32. All of this enables precise sound reproduction.
The ETON 4-512/C8/25 RP midrange driver has a power handling capacity of 40 watts, making it suitable for various applications in the audio field. The average sound pressure level is 88 dB, ensuring powerful and clear acoustics. The electrical quality factor Qes of 0.34 and the force factor BLxl of 6 Tm contribute to the quality. Combined with a mechanical quality factor of 6.65 and a resonance frequency of 80 Hz, this model enables excellent audio reproduction, particularly excelling at mid to high frequencies. You will perceive the power and precision.
The dimensions of the ETON 4-512/C8/25 RP speaker include an overall diameter of 122 mm and a mounting depth of 66 mm. The mounting diameter is 96 mm, and the rim has a thickness of 6 mm. For installation, it is important to note the screw hole with a diameter of 4.5/8 mm. These technical details allow for a precise integration into existing systems. Weighing 1.23 kg, handling during installation is relatively easy and ideal for audio enthusiasts who appreciate precision.
The midrange driver 4-512/C8/25 RP uses a voice coil with a Kapton carrier material, known for its high heat resistance and mechanical stability. The wire is made of copper, which provides optimal electrical conductivity, leading to efficient power transfer. The winding of the voice coil is executed in two layers, allowing for improved heat dissipation and reliability under higher audio loads. The voice coil diameter is 25 mm, creating a good balance between sensitivity and performance. These features significantly contribute to the durability and performance of the speaker.
The ETON 4-512/C8/25 RP is designed for a frequency range of 80 Hz to 5000 Hz, making it ideal for reproducing mid frequencies. Its resonance frequency is at 80 Hz, indicating that the midrange driver can dive deep into the bass range, albeit with reduced efficiency. This frequency range allows for a balanced mix of low and high tones, providing a detailed, clear sound. Especially for audio enthusiasts who prefer natural mids, this model is particularly noticeable and impresses with precision and dynamics.
The ETON 4-512/C8/25 RP speaker uses a ferrite magnet structure known for its durability and efficiency. The magnet has dimensions of 90 x 36 mm and a ferrite material composition, with a magnetic flux density of 1.15 Tesla. This strong flux density ensures consistent performance even under higher loads on the speaker. Additionally, the drive system features an overhang configuration that allows for better control over the voice coil. The height of the air gap is 6 mm, providing the speaker with improved movement ranges for more precise sound images.
The mechanical overall quality, Qms, of the ETON 4-512/C8/25 RP is 6.65, indicating an optimally performing resonance behavior. A higher Qms value is directly related to a well-damped system that can effectively minimize unwanted vibrations. The overall quality Qts of 0.32 also speaks for a harmoniously tuned audio reproduction, ideal for diverse soundscapes. This combination of mechanical properties allows for precise control over the movements of the diaphragm, resulting in clearer, less distorted audio reproduction, especially in the mid-frequency range.
The effective radiating area SD of the ETON 4-512/C8/25 RP speaker is 55 cm², which is a significant feature for sound quality and volume representation. A larger radiating area improves the efficiency of sound radiation, especially in the mid frequencies. This ensures that even with moderate power inputs, a full sound spectrum is delivered. This is particularly advantageous for music lovers who want to experience their audio in an intense way. The combination with the robust Kapton voice coil significantly contributes to minimizing sound distortions and achieving a more dynamic soundstage.
The drive system of the ETON 4-512/C8/25 RP is designed as an overhung system, which means that the voice coil is longer than the magnetic air gap. This design allows the voice coil to remain precisely in the air gap even at larger amplitudes, minimizing distortion and improving the linearity of the sound. With a magnetic flux density of 1.15 T, the system is designed for high efficiency and enormous power. This overhung design also ensures higher load capacity and durability, which is particularly evident in dynamic and high-contrast audio productions.
The 4-512/C8/25 RP from ETON shows its resonance frequency at a power consumption of 1 watt with 78 Hz. In technical terms, this means that the midrange driver operates optimally at this power level in its frequency resonance, which maintains a balanced sound reproduction even at lower power. The specified Thiele-Small resonance frequency of the speaker is 80 Hz, which means it operates precisely in the midrange area. These stable resonance frequencies ensure that a consistent audio quality is achieved in the relevant frequency ranges, especially if you enjoy listening to music loudly or need precise sound in specific applications.

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

    • 4" midrange driver, 40W, 80-5000 Hz, precise sound reproduction.
    • Kapton and copper voice coil, ferrite magnet structure.
    • Compact, 1.23 kg, 122 mm diameter, versatile.

weight

1.23 kg

Technical data

Watt RMS Load Capacity

40

configurators

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Your advantages with Masori

Buy ETON Midrange 4-512/C8/25 RP online – Uncompromising sound quality meets perfect design

The ETON midrange speaker 4-512/C8/25 RP is a true masterpiece of audio technology. With an output power of 40 watts and a frequency range of 80–5000 Hz, this 4 speaker sets standards. The robust voice coil made of Kapton and copper ensures excellent sound reproduction and durability. The ferrite magnet structure, which provides a magnetic flux density of 1.15 T, also contributes to the outstanding performance. Masori.de offers this midrange speaker not only at the best price under the lowest price guarantee but also with additional expert support. Take the opportunity to experience quality at the best price and learn more about the expertise at masori.de.

Perfect integration: Dimensions and weight of the ETON midrange speaker

The ETON midrange driver is easy to integrate with a weight of 1.23 kg and an overall diameter of 122 mm. The installation measurement of 96 mm and the total depth of 66 mm allow for flexible installation in a variety of vehicles. The surround thickness of 6 mm and the diameter of the screw hole of 4.5/8 mm ensure easy and secure mounting. These specifications enable the midrange driver to be installed with minimal effort and achieve precise audio tuning, as it can seamlessly fit into existing systems.

Technical Mastery: Voice Coil and Material Selection

The voice coil of the ETON 4-512/C8/25 RP is made of copper, an excellent conductor, and a carrier material made of Kapton, which is extremely heat-resistant. With a diameter of 25 mm and 2 winding layers, it is designed to withstand high loads while ensuring efficient heat dissipation. This combination provides clear and precise sound reproduction even at high volumes. A weaker voice coil would lead to increased distortion, while higher quality materials allow for an even higher load limit, which is often associated with higher costs.

DC resistance Re and electrical quality Qes – What they mean for sound quality

With a direct current resistance (Re) of 5.8 Ω, the ETON midrange driver shows an ideal balance between performance and efficiency. The electrical quality Qes is at 0.34, allowing for precise and controlled resonance. A lower value would indicate less control, while a higher value suggests stronger damping. These parameters are crucial for achieving optimal sound quality, as they have a direct impact on overall quality and response time.

Inductance of the oscillating coil Le – Influence on high-frequency reproduction

The inductance of the oscillating coil is specified at 0.35 mH and significantly influences high-frequency reproduction. A lower inductance allows for a wider frequency bandwidth without overlaps, resulting in a clearer and more detailed sound. A higher inductance, on the other hand, could lead to an unpleasant emphasis on the mids and highs. This carefully optimized inductance of the ETON midrange driver is optimized for versatility and the highest sound fidelity.

Power factor BLxl and what it means for sound dynamics

The power factor of the midrange driver, measured at 6 Tm, is an indicator of the efficiency with which electrical energy is converted into mechanical movement. A higher power factor means a stronger driving force of the diaphragm and, accordingly, better dynamics and precision of the sound. A lower value would indicate lower efficiency, which could impair overall performance. In relation to the speaker's turnover frequency, the balance here is particularly well achieved.

Frequency range and resonance frequency – The key to versatility

The ETON midrange driver covers a recommended frequency range of 80 to 5000 Hz, making it ideal for midrange reproduction. The resonance frequency of 80 Hz also speaks for itself. It allows for a full and detailed reproduction of the mid frequencies, which are essential for natural sound reproduction in an audio system. A higher resonance frequency would cut off the lower mids, while a lower one could overemphasize the bass range.

Thiele-Small Parameter: Total Quality Qts and its Effects

With a total quality value Qts of 0.32, the ETON midrange driver is in an optimal range for efficient and clear midrange sound. This value is crucial for integration into a sealed or bass reflex-ventilated enclosure. A higher value would indicate excessive damping, while a lower value might require additional adjustment efforts during installation to avoid distortion.

Mechanical quality Qms and its role in sound radiation

The mechanical quality Qms is rated at 6.65 and influences the physical damping of the chassis. Such a value indicates that the speaker has excellent mechanical control, thereby reducing deformations and distortions in the diaphragm. A lower Qms value would characterize a soft suspension with less control, which could result in a loss of precision in sound radiation.

The expert support from Masori also leaves nothing to be desired.

For personal advice or assistance with questions about installing the ETON midrange speaker, you can rely on the top-notch support of the Carhifi online shop Masori. Whether you take advantage of the on-site installation in Frankfurt (Oder) or thoroughly inform yourself in their Expert Support FAQ & Help – you will find support here. This is accompanied by a comprehensive Audio Blog, which offers interesting insights and expertise on current developments in the Carhifi sector. Use these resources to take your Carhifi projects to the next level.