3. Tweeter bestsellers
  5. BM25

BM25

BM25

Technical Highlights

  • 25mm titanium silk tweeter, frequency response 2500Hz-20KHz.
  • Impedance 4 Ohm, efficiency 91dB 1W/1m.
  • Resonance fs=1600Hz, 2.7 µF cable crossover.
  • More technical details
€100.00
€100.00 €100.00
2% discount with credit card

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ProductBM25

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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.

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datasheet
StegMA32Q
Steg-MA32Q-Audi-Hochtöner-masori-kaufen
B2 Audio-Rage CDR-Horn-Hochtöner-masori-kaufen
B2 AudioRage CDR
Steg-BM25-BMW-Hochtöner-masori-kaufen
€100.00
€100.00 €100.00

The BM25 is a tweeter specifically designed for BMW and Mini. This model, a 25mm dome tweeter, offers a frequency response of 2500Hz to 20KHz, creating a three-dimensional soundstage and providing essential sound accuracy to your musical signal. The BM25 is compatible with various BMW E and F series as well as certain models from the 1/3/5/7 and X1/X3/X5/X6 series. Its technical specifications are also noteworthy, including a 25mm titanium silk tweeter, resonance fs=1600Hz, and impedance of 4 Ohms. It focuses on efficiency with a sensitivity of 91dB 1W/1m and also includes a 2.7 µF crossover.

Compatibility

  • BMW E Series (from model year 2004)
  • BMW F Series
  • BMW 1/3/5/7 and X1 / X3 / X5 / X6

Technical data of the tweeter

  • 25mm Titan Silk Tweeter
  • Resonance fs=1600Hz
  • Impedance 4 Ohm
  • Efficiency 91dB 1W/1m
  • 2.7 µF cable splitter included!
  • RMS power 25 watts

Compatibility

BMW 1 Series

  • BMW E81 3-Door - Front Door / Rear Shelf
  • BMW E82 Coupe - Front Door / Rear Shelf
  • BMW E87 5-Door - Front Door / Rear Shelf
  • BMW E88 Cabriolet - Front door / Rear side trim
  • BMW F20 5-Door - Rear Shelf
  • BMW F21 3-Door - Rear Shelf

BMW 2 Series

  • BMW F22 Coupe - Rear Shelf
  • BMW F87 M2 - Rear shelf

BMW 3 Series

  • BMW E90 Sedan - Front Door / Rear Shelf
  • BMW E91 Touring - Front door / Rear door
  • BMW E92 Coupe - Front door / Rear side trim
  • BMW E93 Cabriolet - Front door / Rear side trim
  • BMW F34 Gran Turismo - Rear Shelf
  • BMW F80 M3 - Rear shelf
  • BMW G20 Limousine - Rear Shelf
  • BMW G28 Limousine - Rear Shelf
  • BMW G80 M3 - Rear shelf

BMW 4 Series

  • BMW F32 Coupe - Rear Shelf
  • BMW F33 Cabriolet - Rear shelf
  • BMW F36 Gran Coupé - Rear Shelf
  • BMW F82 M4 - Rear shelf
  • BMW G22 Coupe - Rear Shelf

BMW 5 Series

  • BMW E60 Limousine - Front door / Rear door / Rear shelf
  • BMW E61 Touring - Front door / Rear door / Headliner
  • BMW F07 Gran Turismo - Front door / Rear door / Headliner
  • BMW F10 Limousine - Front door / Rear door / Rear shelf
  • BMW F11 Touring - Front door / Rear door / Headliner
  • BMW G30 Limousine - Rear Shelf
  • BMW G31 Touring - Headliner

BMW 6 Series

  • BMW E63 Coupe - Front door / Rear side trim
  • BMW E64 Cabriolet - Rear Side Trim
  • BMW F06 Gran Coupé - Rear shelf
  • BMW F12 Coupe - Rear Side Trim
  • BMW Cabriolet - Rear Side Trim / Rear Shelf

BMW 7 Series

  • BMW E65 Limousine - Front Door
  • BMW E66 Limousine - Front Door
  • BMW F01 Limousine - Front door / Rear door / Rear shelf
  • BMW F02 Limousine - Front door / Rear door / Rear shelf
  • BMW G11 Limousine - Rear Shelf
  • BMW G12 Limousine - Rear Shelf

BMW X1

  • BMW E84 - Front Door / Rear Shelf

BMW X3

  • BMW E83 - Front door / Rear door
  • BMW F25 - Headliner

BMW X5

  • BMW E70 - Front door / Rear door
  • BMW F15 - Rear side trim / Rear shelf / Headliner
  • BMW F85 - Rear side trim / Rear shelf / Headliner
  • BMW G05 - Rear trim / Rear shelf / Headliner

BMW X6

  • BMW E71 - Front door / Rear door
  • BMW F16 - Headliner
  • BMW G06 - Headliner

BMW Z4

  • BMW E89 - Front door / Rear door

BMW I8

  • BMW L15 - Rear side panel

MINI

  • MINI R60 Countryman - Front door / Rear door
  • MINI R61 Paceman - Front door / Rear door

datasheet

Open data sheet

Frequently Asked Questions about BM25

Welche technischen Daten hat der BM25 Hochtöner von Steg?

The BM25 tweeter from Steg features a 25mm dome tweeter made from a titanium silk membrane. The frequency response ranges from 2500Hz to 20KHz, creating a three-dimensional soundstage. With a resonance frequency of fs=1600Hz and an impedance of 4 Ohms, the tweeter harmonizes perfectly with common amplifier units. The efficiency is rated at 91dB 1W/1m and the power is specified at RMS 25 Watts. Additionally, a 2.7 µF cable crossover is included, which ensures precise frequency separation and optimizes sound quality.

Mit welchen BMW-Modellen ist der BM25 Hochtöner kompatibel?

The BM25 tweeter from Steg is specifically designed for various BMW models. It fits into numerous series, including the E and F series, as well as models from the 1/3/5/7 series and the X1/X3/X5/X6 versions. Examples include the BMW E81, E90, E60, and F30, to name just a few. This means that this tweeter is compatible with many variants, ensuring excellent audio quality within the BMW ranges. However, this fit is tailored to the specific vehicle platforms that have been manufactured since the year 2004.

Welche Frequenzbereich deckt der BM25 Hochtöner ab?

The BM25 tweeter from Steg covers an impressive frequency range of 2500Hz to 20KHz. This bandwidth allows for the precise and clear reproduction of both mid-high and very high tones, which is particularly advantageous when reproducing high-resolution audio tracks. The ability to ensure sound fidelity and clarity within this range makes it ideal for audiophiles who value detailed soundscapes. Its special construction of the titanium silk diaphragm supports the efficient conversion of electrical signals into acoustic sound waves.

Was sind die Vorteile der Titan-Seiden-Membran beim BM25 Hochtöner?

The use of a titanium silk membrane in the BM25 tweeter offers numerous acoustic advantages. This combination allows for outstanding resonance suppression and ensures fine, clear sound reproduction. Titanium provides stability and rigidity, while silk contributes to damping and smooth sound transitions. This material combination enables the BM25 to achieve precise highs without unwanted harshness and guarantees optimal performance in the frequency range of 2500Hz to 20KHz. As a result, sound quality is significantly improved, making it ideal for discerning audiophiles who desire clear high-frequency reproduction.

Wie hoch ist der Wirkungsgrad des Steg BM25 Hochtöners?

The efficiency of the Steg BM25 tweeter is 91dB 1W/1m. This value indicates the speaker's efficiency in converting electrical power into acoustic energy. A high efficiency means that the tweeter can produce a high volume even at low power, which is particularly advantageous to avoid overloading the amplifier. This feature is ideal for use in vehicles, where amplifier power is often limited, yet full sound stages are needed to fill the vehicle interior with clear, dynamic sound.

Was bedeutet die Impedanz von 4 Ohm beim BM25 Hochtöner?

The impedance of 4 ohms in the BM25 tweeter indicates that this speaker has a resistance configuration typical for many car audio amplifiers. A lower impedance, such as 4 ohms, favors the flow of current from the amplifier to the tweeter, resulting in louder and more dynamic playback. This impedance is perfect for use in vehicles, as it allows for optimal performance with standard amplifiers. It is important that the amplifier power is adjusted to avoid distortion and damage, ensuring optimal sound enjoyment.

Welcher Resonanzfrequenzwert kennzeichnet den BM25 Hochtöner?

The resonance frequency of the BM25 tweeter is set to 1600Hz. This value range is crucial for tuning sound reproduction, as it indicates at which frequency the diaphragm resonates with external vibrations, affecting sound quality. A well-tuned resonance frequency helps minimize distortion and achieve consistent sound reproduction. In the BM25, the resonance frequency allows for seamless integration into the vehicle's existing audio system, especially in combination with subwoofers and midrange drivers that cover broader frequency ranges.

Welche Leistung in Watt erbringt der BM25 Hochtöner von Steg?

The Steg BM25 tweeter delivers an RMS power of 25 watts. This power should be understood as continuous load capacity and determines how much continuous power the tweeter can handle without damage. The RMS specification is a solid indicator of actual performance in daily use, compared to peak power, which can often only be achieved for short periods. This 25 watts RMS allows the tweeter to reproduce even demanding musical passages with clarity and dynamics, without risking audio distortion or damage.

Wie integriert man den BM25 Hochtöner in BMW-Fahrzeugen?

The integration of the BM25 tweeter into BMW vehicles is surprisingly straightforward due to its specific adaptation to the E and F series models, as well as many 1, 3, and 5 series models. It is important to note the correct positioning, e.g., in the door panel or rear shelf. It is crucial that the dimensions of the installation opening match the tweeter exactly to ensure a secure and acoustically optimal installation. The use of the 2.7 µF crossover additionally ensures precise frequency separation and a harmonious transition in the acoustic spectrum, optimizing overall performance.

Welche Rolle spielt die 2,7 µF Kabelweiche beim BM25 Hochtöner?

The integrated 2.7 µF cable crossover in the BM25 tweeter is essential for the frequency separation of the audio input signal. It acts as a high-pass filter, blocking lower frequencies and only passing those above 2500Hz to the tweeter. This is crucial for minimizing distortion and enabling clear, precise reproduction of high frequencies. The crossover improves sound quality by ensuring that the BM25 only processes the frequency ranges for which it is optimized, significantly benefiting the overall sound of the audio system.

Manufacturer information/responsible person

fortissimo
Dietmar Carle
Bahnhofstr. 23
88048 Friedrichshafen Kluftern
Germany

Contact: didi@fortissimo.de

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