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ETON

7-212/C8/32 Hex Symphony II

6.5" (16.5cm) midrange driver

1 Review

152,10€
169,00€ 152,10€
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Highlights

  • 7" woofer, 3-layer membrane, pure sound.
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brand: ETON
Delivery time:
Available, in 2-5 days with you
Number:
Piece
Watt RMS:
80
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ETON-7-212/C8/32 Hex Symphony II-6.5" (16,5cm) Tiefmitteltöner-masori-kaufen
152,10€
169,00€ 152,10€

The ETON 7-212/C8/32 HEX SYMPHONY II 7" mid-bass driver is designed for versatile use. It features a 3-layer Hexacone sandwich membrane, fast and detailed reproduction, is equipped with a solid bass foundation, and has a homogeneous, uncolored sound reproduction. 

The Hex Symphony II series is the logical further development of our successful, patented Symphony I series.
"The entire know-how of ETON has flowed into the development of the Symphony series."

The specially patented production process made it possible for the first time to use a three-layer sandwich construction in combination with aramid fibers and their hexagonal internal structure. Maximum stiffness and excellent internal absorption are thus ensured. The manually applied coating also supports a neutral membrane behavior and gives the surface optical depth.

The Symphony II midrange and bass drivers produce a unique sound spectrum that is typical for Hex. The sound characteristics are harmonic, gentle reflections of the overtones and pronounced, light mids. In the bass range, a precise and powerful bass is generated. All Symphony II chassis are characterized by a high level of musical representation and an impressive sound image.

The special design of the ferrite magnet geometry ensures an almost perfectly symmetrical magnetic field. The multiple ventilation and flow-supporting casting basket guarantee minimum compression effects at large amplitudes.

properties 

  • Uncompromising sound quality
  • Unadulterated sound reproduction
  • Frequency range: 50 - 3000 Hz
  • Symphony II Series: unique in sound and design

Technical Data 

  • Nominal impedance Zn 8 Ω
  • Direct current resistance Re 6.7 Ω
  • Resonance frequency f 33 Hz
  • Compliance of the suspension CMS 1.18 mm/N
  • Mechanical Quality Qms 6.00
  • Electrical quality Qes 0.31
  • Total quality Qts 0.29
  • Mechanical resistance RMS 0.70 kg/s
  • Total moving mass (including moving air mass) MMD 17.9 g
  • Effective radiating area SD 137 cm2
  • Inductance oscillating coil Le 0.90 mH
  • Power factor BL 8.8 Tm
  • Xmax electric +/- 4.5 mm
  • Xmax mechanical +/- 8.8 mm
  • Equivalent volume VAS 31.0 dm3
  • Average sound pressure level SPL 1W/1m 89 dB
  • Load capacity 80 Watts RMS
The membrane of the ETON 7-212/C8/32 Hex Symphony II consists of a three-layer Hexacone sandwich structure, in which aramid fibers are embedded with a hexagonal internal structure. This design ensures maximum stiffness and excellent internal damping effect. This results in fast, detailed, and uncolored sound reproduction. Additionally, a manually applied coating is used to support a neutral membrane resonance and to give the surface an optical depth. This achieves a solid bass foundation and a homogeneous sound quality that is typical of the Symphony II series.
The sound quality of the ETON 7-212/C8/32 Hex Symphony II is characterized by uncompromising and unadulterated reproduction. Precise and powerful bass frequencies are achieved through the unique ferrite magnet geometry and the efficient ventilation of the chassis, which ensures a symmetrical magnetic field distribution and minimal compression effect at large amplitudes. Additionally, a harmonious sound spectrum with smooth overtones and pronounced mids is achieved. The frequency range of 50 - 3000 Hz allows for a detailed representation of musical styles. The specifications demonstrate how versatile and high-quality the sound reproduction is.
The Thiele-Small parameters of the ETON 7-212/C8/32 Hex Symphony II are crucial for its acoustic performance. With a resonance frequency f of 33 Hz and a total quality factor Qts of 0.29, you get a speaker that offers an excellent compromise between bass response and efficiency. The nominal impedance of 8 Ω and the high mechanical quality (Qms) of 6.00 contribute to the excellent sound performance. These parameters combined with a force factor BL of 8.8 Tm and a maximum diaphragm displacement (Xmax) of ±4.5 mm create a speaker with precise bass and high dynamics.
The specially developed ferrite magnet geometry of the ETON 7-212/C8/32 Hex Symphony II creates an almost perfectly symmetrical magnetic field. This is essential for a uniform control of the diaphragm movement, resulting in clear sound reproduction and minimal distortion. The multiple ventilation of the chassis minimizes compression effects and ensures that the speaker can reproduce the finest details even at high volumes. This technical design results in a solid bass foundation and a harmonious sound reproduction.
The three-layer sandwich construction of the membrane of the ETON 7-212/C8/32 Hex Symphony II combines rigidity with optimal damping. Therefore, the membrane is capable of precisely controlling vibrations, minimizing colorations in the sound image. This construction allows for fast and detailed transients, which is particularly important when reproducing complex musical pieces. The unique combination of aramid fibers and Hexacone technology achieves maximum internal absorption, supporting the clear and uncolored sound qualities of the product.
The energy efficiency of the ETON 7-212/C8/32 Hex Symphony II is improved by several technological innovations, including the highly developed magnet geometry. The inductance of the voice coil is 0.90 mH, which leads to optimized energy conversion. The speaker also has an average sensitivity level of 89 dB for 1W/1m, indicating high sensitivity. These features contribute to the speaker achieving impressive volume and sound richness even at low power, which is particularly advantageous for mobile applications.
As a 7-inch midrange driver, the ETON 7-212/C8/32 Hex Symphony II requires a mounting opening that is compatible with its effective radiation area of 137 cm². The exact dimensions and maximum installation depth prevent possible collisions with other components in the car. For ideal placement in the vehicle, the layout should be carefully planned to enable the best performance. The special dimensions of the cast basket and the innovative ventilation help ensure optimal positioning and efficient cooling at high volumes.
The mechanical quality Qms of the ETON 7-212/C8/32 Hex Symphony II is 6.00, which is an indication of excellent control of mechanical losses in the system. A high Qms supports the consistency of sound and ensures that mechanical losses do not negatively affect sound quality. Together with a robust compliance of the suspension (CMS) of 1.18 mm/N, pure sound reproduction is ensured, both in the low and mid-frequency range. These parameters play a crucial role in implementing seamless sound in various environments.
The ETON 7-212/C8/32 Hex Symphony II is designed for versatile use. The frequency range of 50 - 3000 Hz and a powerful bass foundation make it ideal for drivers who desire detailed and clear music reproduction. Due to its effective radiation behavior and high sensitivity, the speaker is particularly suitable for use in high-quality car hi-fi systems. Its compact design allows for flexibility in installation, making it a preferred choice for car enthusiasts who value sophisticated technology and sound aesthetics.
The force factor BL of the ETON 7-212/C8/32 Hex Symphony II is 8.8 Tm and has significant effects on the effectiveness of the diaphragm movement. A high BL value is crucial for controlling the diaphragm, which thus produces sound powerfully and precisely. This precise control is especially essential when reproducing low frequencies, as it ensures clean and undistorted sound output. The BL value, along with other Thiele-Small parameters, contributes to the speaker achieving excellent dynamics and outstanding sound fidelity, especially with demanding listening material.

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

Customer Reviews

Based on 1 review
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Waldemar S.

Top Qualität aus Deutschland, es muss nicht immer ScanSpeak, Seas oder Wavecor sein.

Product Specifications

Manufacturer

ETON

Product type

6.5" (16.5cm) midrange driver

Features

  • Highlights

    • 7" woofer, 3-layer membrane, pure sound.

  • Uvp

    169

weight

1.2 kg

Technical data

Watt RMS Load Capacity

80

configurators

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Your advantages with Masori

Eton 7-212/C8/32 Hex Symphony II Midrange Driver: Buy online at a low price with Masori Lowest Price Guarantee

The Eton 7-212/C8/32 Hex Symphony II 7 mid-bass driver offers a combination of innovative technology and precise construction for demanding audio applications in vehicles. With a three-layer Hexacone sandwich membrane made of aramid fibers, this speaker delivers fast and detailed sound reproduction while providing a solid bass foundation. The impressive frequency range of 50 to 3000 Hz ensures a wide sound spectrum. Thanks to Eton's patented production process, the membrane offers maximum stiffness and excellent absorption properties. The powerful bass is enhanced by the optimized ferrite magnet geometry, which creates a symmetrical magnetic field. With the Masori lowest price guarantee, you can be sure to get this versatile mid-bass driver at the best price.

Resonance frequency: Why 33 Hz is ideal for sound quality in the vehicle

With a resonance frequency of 33 Hz, the Eton 7-212/C8/32 Hex Symphony II is ideally suited for reproducing low frequencies in the vehicle. A low resonance frequency means that the speaker operates particularly efficiently in the bass range without distortion at high volume levels. This value is crucial for the reproduction of powerful and precise bass lines, which are often demanded in the car audio sector. A higher resonance frequency value, on the other hand, could reduce bass performance, while a lower value is predominantly found only in larger speakers.

Nominal impedance and DC resistance: Optimization for car audio use

The Eton 7-212/C8/32 Hex Symphony II has a nominal impedance of 8 Ω and a DC resistance Re of 6.7 Ω. These values ensure that the speaker works efficiently with a variety of amplifiers, providing high-quality sound reproduction without overheating. A nominal impedance of 8 Ω allows flexibility in integrating into existing audio systems, as it is widely used in car audio systems. A higher resistance value could limit compatibility with common amplifiers, while a lower value would put more strain on the amplifier.

Effective Radiating Area and Moving Mass: Influence on Sound Dynamics

The effective radiating area SD is 137 cm² and the total moving mass, including the moving air mass, is 17.9 g. The combination of these values affects the sound dynamics and precision of the speaker. A large radiating area allows for a powerful sound image and a high sound pressure level, while the moderate moving mass promotes a quick response to sound signals. A smaller radiating area could potentially limit bass reproduction, while a larger mass could reduce the dynamics of the sound.

Power factor and deflection: Technical excellence for precise bass reproduction

With a BL force factor of 8.8 Tm and an electrical displacement Xmax of +/- 4.5 mm, the Eton 7-212/C8/32 Hex Symphony II offers excellent technical characteristics for precise bass reproduction. The force factor is crucial for the efficiency of converting electrical energy into mechanical movement of the diaphragm. A higher BL value means more control over the diaphragm movement, which is essential for precise bass reproduction. The displacement capability allows for sufficient diaphragm movement to reproduce low frequencies without causing sound distortions.

Mechanical and electrical quality: Significance of the values for speaker performance

The mechanical quality factor Qms is 6.00, while the electrical quality factor Qes is specified as 0.31. These values describe the behavior of the speaker in the drive and suspension mechanism. A high mechanical quality factor indicates a well-damped diaphragm oscillation, which minimizes distortion and increases the longevity of the speaker. The low electrical quality factor improves the efficiency of the speaker, which is particularly desirable in mobile applications as it reduces power consumption and optimizes the amplifier load.

Overall quality and reference sound pressure level: Efficiency and performance in focus

The total quality Qts of the Eton 7-212/C8/32 Hex Symphony II is 0.29, while the average sound pressure level SPL is 89 dB. A low Qts value indicates that the speaker achieves more efficient bass reproduction in closed enclosures, making it ideal for compact car audio applications. The SPL value measures the sound pressure capability at a specific input power. With 89 dB, this speaker is among the more efficient models that provide high volume without significant power loss. A higher Qts value could impair efficiency in smaller enclosures.

Inductance and mechanical resistance: Influence on speed and precision

The inductance of the oscillating coil Le is 0.90 mH and the mechanical resistance RMS is 0.70 kg/s. These parameters play an important role in determining high-frequency efficiency and mechanical precision. A low inductance ensures improved impulse reproduction and reduces the tendency for high-frequency attenuation. The mechanical resistance affects the speaker's response behavior at low frequencies. Low resistance values improve the overall speed of the speaker's response and support precise reproduction.

Microdynamics and Construction: The Role of Sandwich Membrane Technology

The three-layer sandwich membrane structure with the hexagonal inner structure made of aramid fibers gives the Eton 7-212/C8/32 Hex Symphony II unique acoustic properties. The combination of high stiffness and excellent internal damping enables precise micro-dynamics that capture every nuance of the music and reproduce it in a sonically harmonious overall picture. This construction prevents unwanted resonances and ensures a neutral membrane behavior, which is essential for audiophile experiences in a vehicle-based context.

Ferrite magnet geometry and ventilation: Reduced compression and distortion-free reproduction

Thanks to the optimized construction of the ferrite magnet geometry and multi-stage ventilation, the Eton 7-212/C8/32 Hex Symphony II effectively reduces compression effects at high amplitudes. The flow-supporting cast structure of the basket allows for improved heat dissipation and supports long-term performance without sound distortion. The nearly symmetrical magnetic field also ensures linear motion control of the diaphragm, resulting in more precise sound reproduction. These features are crucial for long-lasting and consistent performance in demanding car audio applications. For personal consultation and further information on car audio installation, the on-site installation in Frankfurt (Oder) as well as the expert support FAQ & help and the audio blog are available.