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  3. Access 100AC
Focal Access 100AC 4" (10cm) Coaxial Speaker
SKU:  100AC
EAN:  3544052750676

25 Reviews

40 Watt

Access 100AC

SKU:  100AC
EAN:  3544052750676

25 Reviews

Technical Highlights

  • Power: 40 W RMS, 80 W max, Impedance: 4 Ohm, 87.2 dB.
  • Fiberglass cone, 25 mm voice coil, butyl surround.
  • Magnet: 72 x 15 mm, flux density: 0.9 T, air gap height: 6 mm.
  • More technical details
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€118,49
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Jun 5, - Jun 8,
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Access 100AC by Focal Description

Access 100AC is a 4 inch (10 cm) coaxial speaker from Focal with 40 W RMS and 80 W maximum power. The sensitivity is 87.2 dB (2.83 V/1 m) with a nominal impedance of 4 Ohm. It features a fiberglass membrane and a butyl suspension. The voice coil measures 25 mm in diameter and 10 mm in height, with a linear excursion of ±2.5 mm. The magnet measures 72 x 15 mm at 160 g, the flux density is 0.9 T, and the air gap height is 6 mm. The net weight is 0.6 kg. Thiele/Small parameters: Fs 110.12 Hz, Vas 1.07 Liter, Qts 0.824, Qes 0.96, Qms 5.82, Re 3.4 Ohm, Sd 52.81 cm², Cms 272 µm/N, Mms 7.7 g, Rms 0.912 kg/s, Ces 406.88 mF, Les 5.13 mH, Res 20.67 Ohm, BI 4.34 N/A, SPL 83.5 dB/W/m, as well as Cas 7.6E-09 m5/N, Mas 275.02 kg/m4, and Ras 32695.15 Ohms.ac.

Features
  • 4 inch (10 cm) coaxial speaker
  • RMS Power Handling: 40 W
  • Maximum Power: 80 W
  • Sensitivity: 87.2 dB (2.83 V/1 m)
  • Nominal Impedance: 4 Ohm
  • Membrane: Fiberglass
  • Suspension: Butyl
  • Nettogewicht: 0.6 kg
Technical Data
  • Gleichstromwiderstand (Re): 3.4 Ohm
  • Schwingspulen-Durchmesser: 25 mm
  • Schwingspulen-Höhe: 10 mm
  • Xmax: ±2.5 mm
  • Magnet: 72 x 15 mm
  • Magnetgewicht: 160 g
  • Flussdichte: 0.9 T
  • Spalthöhe: 6 mm
  • Fs: 110.12 Hz
  • Vas: 1.07 Liter
  • Qts: 0.824
  • Qes: 0.96
  • Qms: 5.82
  • Sd: 52.81 cm²
  • Cas: 7.6E-09 m5/N
  • Mas: 275.02 kg/m4
  • Ras: 32695.15 Ohms.ac
  • Cms: 272 µm/N
  • Mms: 7.7 g
  • Rms: 0.912 kg/s
  • Ces: 406.88 mF
  • Les: 5.13 mH
  • Res: 20.67 Ohm
  • BI: 4.34 N/A
  • SPL: 83.5 dB/W/m

Focal Access 100AC Datasheet

Open datasheet

Frequently Asked Questions about Access 100AC

What power can the Access 100AC speaker from Focal achieve?

The Access 100AC speaker from Focal offers a power handling of 40 Watts RMS, while the maximum power is 80 Watts. These parameters ensure that the speaker operates reliably both under normal conditions and at maximum power demand. Its power handling allows for versatile applications, whether for enjoying music at moderate volumes or for impressive sounds at a speaker party. The sound quality remains stable even at high loads, making it ideal for music enthusiasts who value high sound fidelity and material durability. However, in applications requiring more than 40 Watts RMS, significant distortion may occur.

What is the sensitivity of the Focal Access 100AC speaker?

The sensitivity of the Focal Access 100AC speaker is 87.2 dB at 2.83V/1m. High sensitivity means that the speaker requires less energy to produce a high sound level, leading to more efficient operation. This is particularly advantageous if you want to operate the speaker with a low-power amplifier. However, the low value of 87.2 dB indicates that the speaker needs more power to operate at the same volume as a speaker with higher sensitivity. In combination with the specified power, the sensitivity provides comprehensive insight into energy requirements and potential volume development.

What materials are used for the diaphragm of the Focal Access 100AC speaker?

The diaphragm of the Focal Access 100AC speaker is made of fiberglass. Fiberglass diaphragms are known for their lightness and stiffness, allowing for fast and precise sound reproduction. The use of fiberglass ensures that the speaker processes vibrations with minimal distortion while guaranteeing durability and reliability. Due to the material's exceptional ability to deliver clear sound even at high volumes, the speaker is excellent for high-fidelity applications. The choice of this material is particularly aimed at offering the user an intense sound experience that remains stable even during prolonged use.

What Thiele-Small parameters does the Focal 100AC have?

The Focal Access 100AC has the following Thiele-Small parameters: Fs is 110.12 Hz, Vas is 1.07 liters, Qts is 0.824, Qes is 0.96, and Qms is 5.82. These parameters are used to assess the behavior of speakers in enclosures. Fs indicates the resonance frequency and is crucial for the speaker's application range. Vas shows the equivalent volume that the speaker 'feels,' while Qts, Qes, and Qms describe the speaker's quality, representing the balance between mechanical and electrical resistance. These parameters are particularly relevant when you see the speaker integrated into a cabinet to determine the optimal resonance environment.

How is the structural suspension of the Focal Access 100AC constructed?

The suspension of the Focal Access 100AC speaker is made of butyl. Butyl is a synthetic rubber that is resistant to environmental influences and has excellent damping properties. This material ensures that the speaker performs consistently under varying temperature and humidity conditions, minimizing distortions that could arise from external influences. Thanks to the butyl suspension, the active part of the speaker remains optimally centered and controlled, allowing for precise sound reproduction. Especially if you enjoy listening to music at high volumes or want to push your system, this structure ensures lasting performance.

What is the impedance of the Focal Access 100AC speaker?

The Focal Access 100AC speaker has a nominal impedance of 4 ohms. This impedance facilitates compatibility with most amplifiers and car audio systems designed for a similar impedance. Impedance is crucial for performance compatibility between amplifiers and speakers, as a higher or lower ohm rating can affect power efficiency. It ensures that the power transfer from the amplifier to the speaker occurs optimally, without power loss or unwanted distortions. The 4-ohm rating ensures that the speaker delivers a powerful and clear sound image.

What are the dimensions of the magnet of the Focal Access 100AC?

The magnet of the Focal Access 100AC speaker has a diameter of 72mm and a height of 15mm, weighing 160g. These dimensions contribute to generating a magnetic flux density of 0.9T, which is responsible for powerful drive. The size of the magnet determines the efficiency of the speaker by enhancing the magnetic field through which the voice coil moves. This is particularly important for sound dynamics and the overall performance of the speaker. A stronger magnet improves the generation of acoustic vibrations, ensuring that the resulting sound quality remains consistent even at higher volumes.

How complicated is the installation of the Focal Access 100AC speaker in an audio setup?

The installation of the Focal Access 100AC speaker in an audio setup is relatively simple, provided the dimensions are compatible with the intended space. With a compact diameter of 4'' (10cm), the speaker fits into numerous standardized cutouts in car doors and other mounting interfaces for speakers of this size. Before installation, you should ensure that existing mounting frames can accommodate the 100AC and that the required installation depth is available. Proper wiring, matched to the 4-ohm impedance, is necessary to ensure optimal sound performance. These steps help achieve uninterrupted sound quality with the Access 100AC.

What are the advantages of the fiberglass membrane in the Focal Access 100AC speaker?

The fiberglass membrane of the Focal Access 100AC speaker offers numerous advantages, such as impressive resonance control and high strength. Fiberglass is a lightweight material that remains structurally strong even under intense stress, providing distortion-free audio playback. With its ability to preserve tonal quality, the fiberglass membrane also offers a faithful sound representation. It minimizes unwanted eigenresonances, resulting in a clear and detailed sound profile. These features make the speaker particularly attractive to hi-fi enthusiasts who value accuracy and fidelity. The choice of fiberglass not only enhances acoustic performance but also improves the speaker's durability.

Which audio amplifiers is the Focal Access 100AC compatible with?

The Focal Access 100AC is compatible with most car amplifiers and car audio systems that support a similar impedance due to its 4-ohm nominal impedance. Additionally, the amplifier should not significantly exceed the RMS power rating of 40W to enable an optimal audio experience and prevent overloading the speaker. When choosing an amplifier, you should ensure that it considers the technical specifications of the 100AC to avoid both distortion and damage. A proper match between the amplifier and speaker ensures performance optimization and maintains sound integrity.

Manufacturer information / responsible person

Focal Naim Deutschland GmbH

Darius R. Świderski

Hainbuchenweg 14–18
21224 Rosengarten
Germany

Phone: +49 4105 77050
Fax: +49 4105 770529
E-mail: info@focal-naim.de