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DD Audio

AT28a

dome tweeter

249,00€
249,00€ 249,00€
incl. VAT , possibly plus shipping

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Highlights

  • Power: 50W RMS, Impedance: 4 Ohm, Frequency: 1.5k-20kHz.
  • Neodymium motor, voice coil diameter: 28mm, SPL: 90dB.
  • Installation diameter: 4.8cm, installation depth: 1.27cm, Fs: 770Hz.
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brand: DD Audio
Delivery time:
Available to you in 5-10 days
Number:
set
Watt RMS:
50
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249,00€
249,00€ 249,00€

Discover the AT28a, a dome tweeter from DD Audio. This model features a treated silk dome and a powerful neodymium motor that provide a smooth and rich sound. The tuned rear chamber offers an extended bass response, while the high sampling accuracy allows you to experience exceptional details well beyond the audible range. The AT28a provides versatile support for your audio system with a frequency response of 1.5kHz to 20kHz. With a mounting diameter of 4.8 cm and a depth of 1.27 cm, the tweeter can be seamlessly integrated and is also compatible with optional passive crossovers.

Features

  • dome tweeter
  • Treated Silk Sickle
  • Neodymium motor
  • Tuned rear cavity
  • Laser-engraved back panel
  • Compatible with optional passive 2-way CX02 and TXOHP high-pass crossovers

Data

  • Speaker size (MM): 28
  • Watt RMS: 50
  • Watt peak power: 125
  • Impedance: 4 ohm
  • Spring coil diameter (mm): 28
  • Frequency response (Hz): 1.5k - 20k
  • Fs (Hz): 770 Hz
  • SPL: 90dB

Dimensions

  • Installation diameter (cm): 4.8
  • Installation depth (cm): 1.27
The neodymium motor in the AT28a from DD Audio allows for a stronger concentration of the magnetic field, resulting in significantly improved efficiency and a more precise sound. Neodymium is known for its high magnetic density, which gives the dome tweeter a sensitive response to current and movement. This property provides the AT28a with the ability to remain clear and detailed even at higher frequencies. This is particularly noticeable in off-axis reproduction, where the tweeter maintains an even sound distribution. Additionally, the neodymium motor supports the extension of the frequency response in the upper range. Especially if you value fine nuances at high volumes, the AT28a is ideal.
The silk dome of the AT28a is a crucial feature that significantly determines the sound character of this tweeter. Silk as a diaphragm material offers a soft and natural sound. This particular choice of material ensures that the dome vibrates easily, resulting in a smooth frequency response. The material treated by DD Audio minimizes distortion and ensures accurate sound reproduction. In combination with the tuned rear cavity, the low-frequency conformity is enhanced, giving the overall sound an impressive fullness. Especially when you want to listen to music clearly and in detail, the AT28a with its silk dome is a suitable tweeter.
The tuned rear cavity of the AT28a dome tweeter from DD Audio influences the frequency response by improving the lower frequency limit and allowing for an extension of the bass range. This results in a more comprehensive and harmonious sound reproduction. The cavity is designed to minimize resonances, leading to clearer sound radiation. This construction helps maintain tracking accuracy over thousands of cycles, even beyond the audible range. Especially if you prefer detailed and precisely defined sounds, the tuned rear cavity of the AT28a is a significant highlight.
The AT28a has specific technical dimensions that are crucial for correct installation. The installation diameter is 4.8 cm, while the installation depth is 1.27 cm. These compact dimensions facilitate integration into various vehicle environments. The voice coil has a diameter of 28 mm, which contributes to the efficient conversion of electrical signals into sound vibrations. With an impedance of 4 Ohms, the AT28a is designed for common amplifiers and crossovers. Keep these specifications in mind when planning the installation to achieve optimal audio performance.
The AT28a tweeter offers performance data that enables strong and reliable sound reproduction. With an RMS power of 50 watts and a peak power of 125 watts, it can handle both moderate and intense listening environments. This power configuration allows the tweeter to maintain detail and clarity even at high volumes. The efficiency is at 90 dB SPL, which means that the AT28a is capable of producing loud and clear sound with less energy. These specifications are crucial for anyone seeking exceptional sound quality.
The AT28a from DD Audio offers a frequency range of 1.5 kHz to 20 kHz, ensuring comprehensive coverage of the frequencies audible to humans. This range allows for both mid and high frequencies to be reproduced with impressive precision. The lower limit is defined at a resonance frequency (Fs) of 770 Hz, enabling a smooth transition into the midrange. The advanced sampling accuracy of the AT28a ensures clear and detailed reproduction, ideal for music lovers who expect a full yet precise sound.
The off-axis reproduction of the AT28a is one of the remarkable features that ensures a consistent sound, regardless of the listening position in the room. Thanks to the neodymium motor and the carefully designed silk dome, the sound quality remains high even with lateral sound radiation. The structured rear wall and the adapted cavity play a role in preventing excessive resonances, leading to an accurate sound distribution in the room. Ideal for environments where the listening position is variable and a consistent sound is desired, without the tweeter being directly aimed at the listener.
The installation of the AT28a in the vehicle should be carried out considering its dimensions: a mounting diameter of 4.8 cm and a depth of 1.27 cm. These values allow for a low placement in most vehicles. A precise milling of the mounting opening is important to minimize vibrations and improve sound quality. Connecting to a crossover such as the CX02 or TXOHP high-pass models ensures that the tweeter operates efficiently. Note the impedance of 4 ohms when selecting a suitable amplifier. This optimizes audio performance and avoids overloads or distortions.
The AT28a from DD Audio stands out from other tweeters due to its combination of a treated silk dome and a powerful neodymium motor. This construction results in a smooth, detailed sound with excellent off-axis capability. The tuned rear chamber enhances low-frequency performance, and the laser-engraved back improves structural integrity. Additionally, it offers compatibility with passive 2-way crossovers, opening up a variety of application possibilities. With specific performance values of 50 watts RMS and 125 watts peak power, as well as 90 dB SPL, it is suitable for both enthusiasts and professionals seeking clarity and power.
The AT28a is compatible with the optional passive 2-way crossovers CX02 and TXOHP, which facilitates the adjustment of frequency settings. These crossovers are designed to precisely separate the frequency response, allowing the tweeter to reproduce only the desired frequencies. This minimizes distortion and improves overall sound quality. The efficient separation of mids and highs contributes to a clear and harmonious sound image. The use of these specific crossovers also ensures that the performance of the AT28a is fully utilized by optimally considering the impedance of 4 ohms.

Audio Import Group
Pekka Kinnunen
Palkkitie 10
84100 Ylivieska
Finland

Contact: info@audioimport.fi

Product Specifications

Manufacturer

DD Audio

Product type

Dome tweeter

Features

  • Highlights

    • Power: 50W RMS, Impedance: 4 Ohm, Frequency: 1.5k-20kHz.
    • Neodymium motor, voice coil diameter: 28mm, SPL: 90dB.
    • Installation diameter: 4.8cm, installation depth: 1.27cm, Fs: 770Hz.

  • Uvp

    249

weight

0.5 kg

Watt RMS Load Capacity

50

configurators

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Your advantages with Masori

Dome tweeters from DD Audio: Soft and rich sound for audiophiles

The AT28a tweeter from DD Audio offers an unparalleled audio experience. The precise processing of the silk dome tweeter enables warm and detailed sound reproduction, making it particularly suitable for demanding applications. Thanks to the neodymium motor, an impressive sound image is produced, clearly distinguishing it in the tweeter category. If you would like to purchase the DD Audio tweeter, masori.de offers a lowest price guarantee, ensuring that the AT28a is available at the lowest price. This component is available online at a reasonable price and impresses with highlights such as accurate off-axis reproduction and the tuned rear cavity that extends the bass range. Immerse yourself in a world of sound rich in detail and utilize the versatility of this tweeter for your installation.

Laser-engraved rear panel and tuned rear cavity of the dome tweeter

Another highlight of the AT28a from DD Audio is the laser-engraved rear panel. This is not just an aesthetic feature, but also improves the structural integrity of the tweeter and minimizes unwanted resonances. The tuned rear cavity ensures an extended bass response. This means the tweeter can also cover frequencies below its typical operating range, resulting in a more homogeneous sound reproduction. Precise tuning ensures that music is reproduced with unprecedented clarity and precision. Changing the tuning of the rear cavity could result in a reduction in bass performance.

Dimensions and installation options for the DD Audio AT28a tweeter

Dimensions are an important consideration when installing the DD Audio tweeter. With a mounting diameter of 4.8 cm and a mounting depth of 1.27 cm, the AT28a is compact, allowing it to be optimally integrated into a variety of vehicle installations. A shallow mounting depth means the tweeter can be accommodated in tight spaces without compromising sound quality. The 28 mm voice coil diameter supports finer detail reproduction and improves the module's heat dissipation. A smaller design could facilitate installation in certain positions, but may compromise acoustic performance.

Impedance and Frequency Response: Clearing the Audio Spectrum

The DD Audio AT28a is designed for an impedance of 4 ohms, which is common in car hi-fi applications and offers excellent compatibility with most amplifiers. A clean frequency response of 1.5 kHz to 20 kHz ensures that the tweeter can cover all essential high frequencies, which is ideal for precise treble reproduction. Lower or higher frequency limits would limit application versatility, which could, in turn, affect the overall audio experience. Always consider the impedance when making your selection to ensure the best possible integration and performance.

SPL and Watt RMS of the DD Audio tweeter: power and volume

With a sound pressure level (SPL) of 90 dB, the AT28a is capable of producing high volumes even at low power input. A rated power (RMS) of 50 watts and a peak power of 125 watts give the tweeter sufficient reserves for dynamic peaks in music. Higher SPL values ​​ensure that clear sounds can be heard even in noisy environments. Lowering these values ​​could result in a loss of power, reducing dynamics and expressiveness. These tweeter characteristics are perfect for authentically reproducing a wide variety of musical styles.

Tuned passive crossovers for enhanced sound enjoyment

Optional passive 2-way crossovers, the CX02 and TXOHP, are available for the DD Audio tweeter. These are specifically designed to precisely separate the frequency range and optimally integrate the tweeter into an overall speaker system. Using these crossovers minimizes the risk of frequency overlap, enhancing the clarity and detail of the music. If no crossover is used, there is a risk of interference between the speakers, which would distort the sound. Ensure that the crossovers are optimally adapted to the given speaker lengths.

Compatibility with 2-way systems thanks to treated silk surround

Equipped with a silk surround, the DD Audio AT28a offers improved high-frequency reproduction, which is particularly beneficial in two-way systems. The treated silk surround not only provides a warm and natural sound but also offers high resistance to environmental influences such as moisture. The structure of the silk surround ensures linear movement and minimizes distortion. Should the surround be of inferior quality, this could lead to increased distortion, which would impair the audio experience.

DD Audio: Long-term customer care and technical support options

DD Audio not only offers an excellent tweeter with the AT28a, but also outstanding support through masori.de. You can easily find additional information on the website's Audio Blog, answer questions via the FAQ & Help section , or even schedule a professional installation on-site in Frankfurt (Oder) . This support makes it easy to optimally integrate the product into a car hi-fi system and overcome any questions or challenges that may arise. Customers benefit from sustained support and expertise, which is particularly advantageous in the demanding car hi-fi sector.