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  5. D-FR2.75

D-FR2.75

D-FR2.75

Technical Highlights

  • Rated power 40 W, impedance 3 Ohm, music power 125 W.
  • Frequency range 120 Hz to 20,000 Hz, sensitivity 84 dB.
  • Fiberglass composite cone, low inductance, polycotton spider.
  • More technical details
€49.00
€49.00 €49.00
2% discount with credit card
including VAT plus shipping
Estimated delivery: Sep 18–Sep 25.
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DD Audio-D-FR2.75-3" (8cm) Mitteltöner-masori-kaufen
€49.00
€49.00 €49.00

The D-FR2.75 from DD Audio is a 3-inch midrange speaker with precise and detailed sound quality. Equipped with an ultra-light fiberglass diaphragm and a high-quality ferrite drive, this midrange speaker offers a wide frequency range from 120 Hz to 20,000 Hz. The low inductance and the polycotton spider with rubber surround ensure efficient and durable performance. With a nominal power of 40 W and a music power of up to 125 W, the D-FR2.75 is ideal as a replacement for factory speakers in dashboards, door positions, or for custom installations. Its compact design allows for versatile integration into various vehicle speaker systems.

Features

  • Ultra-light fiberglass diaphragm for precise sound
  • High-quality ferrite drive for efficient performance
  • Wide frequency range from 120 Hz to 20,000 Hz
  • Low inductance improves impulse response
  • Compact design for versatile integration

Technical Data

  • Size 70 mm
  • Nominal power 40 W
  • Music power 125 W
  • Impedance 3 Ohm
  • Frequency range 120 – 20,000 Hz
  • Sensitivity 84 dB SPL
  • Mounting diameter 65.5 mm
  • Installation depth 32.4 mm
  • Diaphragm fiberglass composite with rubber surround

Frequently Asked Questions about D-FR2.75

How does the D-FR2.75 Midrange speakers achieve precise impulse behavior?

The low inductance, emphasized by the ferrite drive and supported by the polycotton spider, significantly contributes to precise impulse behavior. If you prefer fast transients in your music recordings, the ultra-light fiberglass membrane combined with the rubber surround ensures that the system can respond quickly and accurately to impulses. With a frequency range of 120 Hz to 20,000 Hz, the 3-inch speaker provides a balanced representation in the mid and high frequency range. Especially if you enjoy a wide variety of sound material, you will benefit from an efficient, agile response behavior that minimizes distortion and reveals fine details. The impedance of 3 ohms also favors a responsive signal conversion.

Why is the frequency range of 120 Hz to 20,000 Hz interesting for the 3-inch speaker?

The D-FR2.75 covers an extremely wide sound spectrum with 120 Hz to 20,000 Hz, allowing even delicate highs and prominent mids to be reproduced cleanly. If you value fidelity in your car audio upgrade, you will greatly benefit from this range. The lower limit at 120 Hz means that the speaker already operates in the lower midrange region, which can be advantageous for vibrant vocal reproduction. At higher frequencies, the ultra-light membrane allows for a clear representation of fine nuances. Thanks to optimal tuning between the ferrite magnet and polycotton spider, distortion is minimized. Additionally, the rubber surround leads to a harmonious excursion without losing important signal components. This keeps the entire frequency range pleasantly balanced.

How does the 3-ohm impedance affect the performance of the D-FR2.75?

A 3-ohm impedance often leads to a slightly higher current draw, which in turn improves the efficiency of the 3-inch midrange driver. If you use an amplifier system that can stably operate this impedance, you benefit from a somewhat stronger sound pressure without excessive thermal stress. This allows the existing 40 W nominal power to be used more effectively, and the music power of 125 W is provided responsively. Since the windings in the ferrite drive are designed to maintain low inductance, a clean impulse response is achieved across the entire frequency range. The result is a brisk and detailed sound characteristic with low distortion tendencies across different music genres. This allows you to experiment.

What role do the fiberglass diaphragm and polycotton spider play in this 3-inch midrange driver?

The D-FR2.75 uses an ultra-light fiberglass diaphragm that, despite its low weight, is very robust and allows for a high degree of sound transparency. If you focus on punchy mids and brilliant highs, the solid composite material ensures minimal distortion, even at elevated levels. At the same time, the polycotton spider contributes to improved stability by promoting uniform movement of the suspension system. This interplay not only ensures precise reproduction of dynamic passages but also maintains fine detail in complex audio signals. Thanks to this design, the ferrite drive can optimally transmit its energy without unnecessary losses or tonal distortions. The result is authentic mids.

Is a custom installation for the D-FR2.75 sensible, and what dimensions are relevant?

Especially if you are aiming for a custom installation, you should precisely incorporate the mounting diameter of 65.5 mm and the installation depth of 32.4 mm into your planning. The compact dimensions open up various possibilities for integrating the 3-inch speaker into dashboards or doors. For example, you can design your own mounting panels to optimally align the diaphragm and minimize reflections. Proper alignment can help you achieve significantly more precise sound images in the mid-high frequency range. Additionally, a precise sealing is often easier to implement because the chassis does not take up much space. Allow yourself enough room in the custom installation to accommodate cables and damping material. This way, you avoid vibrations.

What influence does the rated power of 40 W and the music power of 125 W have on the sound character?

With the D-FR2.75, you benefit from excellent power reserves, as the rated power of 40 W is sufficient in daily use to produce elevated levels without overload. If you enjoy loud music streams or dynamic live recordings, the music power of 125 W provides additional reserves for peak impulses. This ensures that even at higher volumes, fine nuances are preserved without the 3-inch speaker being heavily compressed. At the same time, the efficient ferrite magnet architecture allows for homogeneous power distribution across the entire frequency range. These power specifications particularly benefit the mids and highs, which remain clearly defined, even when your listening environment requires somewhat larger volumes. This way, you enjoy high dynamics.

What sensitivity does the D-FR2.75 offer and how does it affect the sound image?

The sensitivity is specified at 84 dB SPL, which represents a solid average for a 3-inch midrange driver. If your Amplifier delivers moderate output power, this sensitivity factor ensures that you still achieve sufficient volume. However, this figure also depends on the frequency response, as different tonal ranges can be excited to varying degrees. Due to the lightweight diaphragm material, the speaker responds very quickly to dynamic impulses, which is particularly noticeable in demanding passages. Thanks to the low weight of the system, you do not need to provide excessive amplifier power to achieve a full sound image. This leaves enough headroom for fine adjustments. This creates precision.

How does the placement in a door or dashboard affect installation?

The D-FR2.75 allows you to install it in both the dashboard and the door panel, as its compact design enables variable positioning. With a mounting diameter of 65.5 mm, you can design a precise installation housing that minimizes air leakage and reduces vibration losses. If you place it in the upper door area, you can achieve a more direct sound image, while the dashboard can provide a higher stage representation. The moderate installation depth of 32.4 mm leaves enough room for soundproofing measures and cables. This way, you can optimally adjust frequency overlaps, and the ultra-light fiberglass membrane also showcases its strengths in tight installation situations. The ferrite drive system provides powerful impulses.

Is the D-FR2.75 suitable as a replacement for factory speakers?

Yes, this 3-inch speaker is an excellent replacement for many common factory speakers in vehicles, as its low installation depth and standard mounting diameter allow it to fit easily into existing mounts. Even in limited space conditions, the ultra-light fiberglass membrane can showcase its sound strengths, as it accelerates particularly quickly and implements impulses with almost no delay. If you want to upgrade from factory speakers to a higher-quality system, you will benefit from precise midrange reproduction without having to make extensive modifications. Additionally, the robust ferrite magnet structure ensures consistent performance that can easily handle longer listening sessions at high volumes. Adjustments to the crossover remain manageable. This increases flexibility.

Can this 3-inch midrange speaker be easily integrated into various system configurations?

The D-FR2.75 can be flexibly integrated into two-way or multi-way setups, as its frequency range of 120 Hz to 20,000 Hz covers a wide spectrum. For example, if you use a separate woofer for the low registers, you can optimally reproduce the mids and highs through the 3-inch speaker. The ferrite drive enables constant power output, while the fiberglass-reinforced membrane ensures high efficiency. The 3-ohm impedance also facilitates adaptation to various amplifiers. Thanks to the compact installation depth, tight spaces can be utilized effectively. This way, you can achieve both subtle soundscapes and louder levels without disturbing distortions. Versatility is guaranteed.

Manufacturer information/responsible person

Audio Import Group
Pekka Kinnunen
Palkkitie 10
84100 Ylivieska
Finland

Contact: info@audioimport.fi

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