3. STEG Subwoofer, speakers & more for the car
  5. SFF1

SFF1

25 Watt

SFF1

Technical Highlights

  • DCR impedance 3.4 ohms, normal impedance 4.0 ohms, 83 dB rec.
  • Frequency up to 15 kHz, Fs 350 Hz, installation depth 19 mm + 5 mm.
  • Aluminum panel, aluminum foil membrane, outer diameter 70 mm.
  • More technical details
€250.00
€250.00 €250.00
2% discount with credit card

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ProductSFF1

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1 year extra warranty

Every product purchased from Masori includes an additional year of warranty in the third year after purchase (months 25–36). We cover repair or replacement free of charge for covered warranty claims. Automatic and free – exclusively for Masori customers. Your statutory rights remain unaffected.

Warranty terms
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Steg-SFF1-2" (5cm) Mitteltöner-masori-kaufen
€250.00
€250.00 €250.00

With the SFF1 from Steg, you get a high-quality 2-inch midrange speaker with an impressive array of technical features. This technical marvel has a DCR impedance of 3.4 Ohm and a nominal impedance of 4.0 Ohm. What makes it really interesting is its sensitivity of 83 dB and an Fs of 165 Hz. With a frequency range up to 15 kHz and a mounting depth of 21 mm, this midrange speaker offers enormous versatility. Additionally, the aluminum panel and aluminum foil membrane ensure long-lasting durability and outstanding sound quality.

Technical Specifications

  • DCR impedance 3.4 Ohm
  • Nominal impedance 4.0 Ohm
  • Sensitivity 83 dB
  • Fs 350 Hz
  • Frequency up to 15 kHz
  • Aluminum panel
  • Aluminum foil membrane
  • Outer diameter 70 mm
  • Mounting diameter 58 mm
  • Mounting depth 19 mm + 5 mm

Frequently Asked Questions about SFF1

Welche technischen Merkmale hat der SFF1 Mitteltöner von Steg?

The SFF1 from Steg features a DCR impedance of 3.4 Ohms and a nominal impedance of 4.0 Ohms. The sensitivity is at 83 dB, ensuring precise sound. The midrange driver offers a frequency up to 15 kHz and a resonance frequency (Fs) of 165 Hz. An aluminum panel and an aluminum foil membrane guarantee durability and brilliant sound quality. The outer diameter is 70 mm, the installation diameter is 58 mm, and the installation depth is 21 mm, allowing for easy integration into many systems.

Wie ist die Impedanz des Steg SFF1 Mitteltöners zu verstehen?

The impedance of the SFF1 midrange driver shows two values: a DCR impedance of 3.4 Ohms and a nominal impedance of 4.0 Ohms. These dual specifications are helpful in precisely defining the resistance during use. Correct impedance matching is essential to optimally tune the amplifier and the speaker, thereby minimizing distortion or power losses.

Welche Vorteile bietet die Alu-Folie Membran des SFF1?

The aluminum foil membrane of the SFF1 not only offers robustness and durability but also excellent acoustic properties. Aluminum, as a material, has high stiffness while being lightweight. This means that the midrange driver achieves precise sound reproduction and reduced resonance, resulting in a clearer and high-resolution sound image. This particularly supports the reproduction of mid frequencies and ensures a balanced sound.

Welche Frequenzbereiche deckt der Steg SFF1 ab?

The SFF1 bridge covers an impressive frequency range, from a lower limit of the resonance frequency (Fs) at 165 Hz up to a maximum of 15 kHz. This wide frequency range allows the midrange driver to reproduce both deep midtones and higher tones accurately. Such broad coverage enables harmonious integration into various sound systems by reproducing vocal and instrumental ranges in detail and nuance.

Warum ist die Empfindlichkeit von 83 dB beim SFF1 relevant?

The sensitivity of the SFF1 bridge is 83 dB, which significantly describes its performance and output at a certain amplifier power. Higher sensitivity means more efficient conversion of electrical energy into acoustic energy. Despite a medium sensitivity like that of the SFF1, it provides good performance reproduction in a compact size, making it ideal for various audio systems that require precise and detailed mid-frequency reproduction.

Welche Einbauanforderungen gibt es für den Steg SFF1 Mitteltöner?

The installation of the Steg SFF1 midrange driver requires consideration of its specific dimensions. With an outer diameter of 70 mm and a mounting diameter of 58 mm, it fits into standardized cutouts of many speaker systems. The installation depth of 21 mm also allows for flexible use in systems with limited space. Adhering precisely to these measurements ensures that vibrations are minimized and acoustic performance is maximized.

Wie beeinflusst die Resonanzfrequenz (Fs) von 165 Hz den Klang des SFF1?

The resonance frequency (Fs) of 165 Hz in the SFF1 midrange driver is crucial as it indicates the frequency at which the speaker begins to sound. A low Fs value like 165 Hz means that the midrange driver is capable of effectively reproducing low midrange frequencies, allowing it to create a seamless transition bridge between the bass and treble ranges. This is particularly important for a balanced soundscape in complex audio systems.

Ist der Steg SFF1 mit meinem Audiosystem kompatibel?

The compatibility of the SFF1 bridge with your audio system depends on specific dimensions and technical requirements. With an outer and installation diameter of 70 mm and 58 mm respectively, and an installation depth of 21 mm, it fits into most commercially available systems. Its impedance of 4.0 ohms also corresponds to widely used standards. Therefore, it is generally compatible with many modern audio systems. However, accuracy during installation is essential to achieve acoustic and mechanical efficiency.

Wie positioniere ich den SFF1 Mitteltöner optimal?

The optimal positioning of the SFF1 midrange driver requires that it be placed on the acoustic axis of the listening area to achieve the best possible sound quality. Due to its sensitivity of 83 dB and frequency range up to 15 kHz, it should be mounted at ear level or at an angle that directly targets the primary listening area. It should be noted that high-frequency sound waves are more directional, while mid frequencies are distributed more evenly.

Welche Installationstipps gibt es für den Steg SFF1?

When installing the Steg SFF1 midrange speaker, it is important to pay attention to the correct polarity to avoid phase distortions. The speaker should be secured with the provided screws or brackets to minimize vibrations. Mounting it on a stable, resonance-free surface ensures an uncolored sound. Furthermore, the proper sealing of the installation space is essential to prevent air leaks and thus loss of sound quality. This ensures optimal performance in the installed audio system.

Manufacturer information/responsible person

fortissimo
Dietmar Carle
Bahnhofstr. 23
88048 Friedrichshafen Kluftern
Germany

Contact: didi@fortissimo.de

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