3. Car Mid-woofers
  5. Graphit 16

Graphit 16

3 Reviews

90 Watt

Graphit 16

3 Reviews

Technical Highlights

  • Rated power 90 W RMS, music power handling 140 W, 4 Ω impedance.
  • Effective diaphragm area 132 cm², resonant frequency 66 Hz.
  • Voice coil diameter 37 mm, ferrite magnet, 87 dB sound pressure.
  • More technical details
€339.15
-15% €399.00 €339.15
2% discount with credit card
Incl. VAT
1 pair in stock This quantity is ready to ship. Extra units follow within the stated delivery time at no extra shipping cost.
Estimated delivery Sep 14 to Sep 15.
x pair
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Datasheet
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€339.15
€399.00 €339.15

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Product description

The Graphit 16 from ETON is a 6.5" (16.5 cm) woofer that is characterized by its high quality and technical precision. With its carbon fleece sandwich membrane and anodized aluminum dust cap, it ensures optimized heat dissipation. The extremely torsion-resistant aluminum die-cast basket and the strong ferrite magnet enable an output of 90 W RMS and 140 W music power handling. The Graphit 16 has an impedance of 4 ohms and achieves a sound pressure level of 87 dB. Produced and developed in Germany, it offers quality and reliability for demanding audio applications.

product features

High-end 165 mm (6.5 inch) woofer/midrange driver with carbon fleece sandwich membrane, anodized aluminum dust cap for optimized heat dissipation and symmetrical wiring with voice coil ventilation. Extremely torsion-resistant aluminum die-cast basket with optimized ventilation and strong ferrite magnet, 4 ohm impedance, 90 W RMS nominal power handling, 140 W music power handling, 87 dB sound pressure level, Made in Germany production and development.

Technical data

  • Nominal impedance Zn 4 Ω
  • Total moving mass (including air mass) MMD 19.8 g
  • DC resistance Re 3.3 Ω
  • Effective membrane area SD 132 cm2
  • Inductance of the voice coil Le 0.32 mH
  • resonance frequency TSP for 66 Hz
  • force factor BLxl 5.7 Tm
  • Suspension compliance CMS 0.29 mm/N
  • Mechanical Q QMS 8.72
  • Xmax mechanical +/- 9.5 mm
  • Electrical Q QES 0.82
  • Equivalent air volume of the suspension VAS 7.3 dm3
  • Total Q QTS 0.75
  • Characteristic sound pressure level 1 W / 1 m 87 dB
  • Mechanical resistance RMS 0.93 kg/s
  • Rated power 90/140 W
  • magnetic material ferrite
  • voice coil diameter 37 mm
  • total diameter 165 mm
  • cutout diameter 146 mm
  • frame depth 6 mm
  • installation depth 68.8 mm
  • Diameter of the screw hole 5.1/8 mm
  • clamp 4.8/6.3 mm
  • Weight 1.40 kg

Datasheet

Open datasheet

Common questions about Graphit 16

What are the main features of the ETON Graphit 16 midrange driver?

The ETON Graphit 16 is a 6.5-inch high-end midrange driver designed for precise sound and heat dissipation. Its main features include a carbon fiber sandwich membrane, an anodized aluminum dust cap, and an extremely torsion-resistant aluminum die-cast basket. The powerful ferrite magnet allows for a nominal power handling of 90 W RMS and a maximum music power handling of 140 W. The speaker has an impedance of 4 Ohm and an effective diaphragm area of 132 cm². The Graphit 16 achieves a nominal sound pressure level of 87 dB and impresses with Made in Germany quality.

What Thiele-Small parameters does the ETON Graphit 16 have?

The ETON Graphit 16 impresses with its detailed Thiele-Small parameters, which are crucial for audio performance. It offers a resonance frequency (TSP fr) of 66 Hz and a mechanical Q (QMS) of 8.72. The electrical Q (QES) is 0.82, while the total Q (QTS) is 0.75. Additionally, it has a suspension compliance (CMS) of 0.29 mm/N and an equivalent air volume of the suspension (VAS) of 7.3 dm³. The force factor (BLxl) is 5.7 Tm, highlighting the speaker's efficiency.

How does the carbon fiber sandwich membrane affect the sound?

The carbon fiber sandwich membrane of the ETON Graphit 16 provides exceptional stiffness and reduces unwanted resonances, resulting in clearer and more precise sound. Thanks to this construction, efficiency in sound radiation is increased, achieving detailed sound reproduction with low distortion. Especially in combination with the anodized aluminum dust cap, which ensures optimized heat dissipation, performance remains stable even under high loads. This is particularly advantageous if you prefer high volumes.

What type of magnet material is used in the ETON Graphit 16 and why?

The ETON Graphit 16 uses ferrite as the magnet material, which provides strong magnetic performance while ensuring economical manufacturability. Ferrite magnets are excellent for speaker applications as they allow for consistent performance even under high operating temperatures. This magnet material contributes to the high load capacity of 90 W RMS and supports the mechanical stability of the extremely torsion-resistant aluminum die-cast basket. In combination with the voice coil ventilated, symmetrically processed design, the sound quality is elevated to a high level.

What are the dimensions for installing the ETON Graphit 16?

For the installation of the ETON Graphit 16, you need to consider some dimensions: The overall diameter is 165 mm, while the cutout diameter is 146 mm. The installation depth is specified as 68.8 mm, with the speaker having a frame depth of 6 mm. The screw hole diameters of 5.1/8 mm are relevant for mounting. Such specific measurements make installation in various enclosures possible, with the terminals for connection pins having a size of 4.8/6.3 mm.

What RMS power does the ETON Graphit 16 offer?

The ETON Graphit 16 offers an RMS power of 90 W. This nominal power ensures high sound dynamics and can be used in various audio applications, from home audio systems to car hi-fi solutions. A powerful ferrite magnet and optimal heat dissipation through the anodized aluminum dust cap support this performance. The voice coil ventilated design ensures that the speaker is optimally cooled under maximum load without shutdown or distortion.

What advantages does the anodized aluminum die-cast basket offer?

The anodized aluminum die-cast basket of the ETON Graphit 16 provides enormous stiffness, minimizing structural resonances. This property supports precise sound reproduction by eliminating unwanted vibrations. Aluminum is also corrosion-resistant, which extends the lifespan of the speaker. Thanks to its torsion-resistant structure, the basket can securely hold the powerful ferrite magnets and ensure even ventilation, allowing the voice coil to be effectively cooled. All of this significantly improves the overall sound quality.

What is the nominal sound pressure level of the ETON Graphit 16?

The nominal sound pressure level of the ETON Graphit 16 is 87 dB at 1 W/1 m. A high nominal sound pressure level means that the speaker can operate more efficiently, which is particularly beneficial in situations with lower amplifier power. This value creates a good compromise between sensitivity and the ability to produce higher volumes without increased distortion. The design with a lightweight yet stiff carbon fleece sandwich membrane helps maximize the efficiency and sound pressure of the speaker.

What is the voice coil size of the ETON Graphit 16 and why is it important?

The ETON Graphit 16 features a voice coil size of 37 mm, which represents an optimal compromise between power and efficiency. A larger voice coil allows for higher thermal load capacity and improves cooling, supporting the long-term performance of the speaker. This promotes consistent sound dynamics and ensures that the speaker remains distortion-free even under high load. The voice coil is integrated into a ventilated environment that maximizes its heat efficiency and extends its lifespan.

Is the ETON Graphit 16 compatible with my car?

The compatibility of the ETON Graphit 16 with a vehicle depends on the specific installation dimensions. Key factors include the overall diameter of 165 mm and the cutout diameter of 146 mm. The installation depth of 68.8 mm and the screw hole diameters of 5.1/8 mm are also important to ensure a precise integration. Checking the installation dimensions in the vehicle is therefore essential to ensure that the speaker can be mounted without modifications or adjustments. It is advisable to check the manufacturer's specifications of the vehicle.

Manufacturer information / responsible person

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

Responsible EU Person:
ACR S + V GmbH
Industriestr. 3
79787 Lauchringen
Germany

Contacts: compliance@acr.eu