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Steg BM4C-II BMW speaker set
SKU:  BM4C
EAN:  7427135688317
30 Watt

BM4C-II

SKU:  BM4C
EAN:  7427135688317

Technical Highlights

  • 2-way set, fine acoustics, plug&play functionality.
  • Neodymium magnet, paper cone, frequency range 90-15000Hz.
  • Impedance 4 Ohm, efficiency 88dB 1W/1m.
  • More technical details
€229,00
€229,00 €229,00
5% discount with credit card
inkl. VAT , possibly plus shipping
Delivery
May 24, - May 27,
x set
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€229,00
€229,00 €229,00

BM4C-II by Steg

The BM4C-II speaker set from Steg sets high standards in vehicle audio systems. It is specifically designed for BMW and MINI models, particularly for E, F, and X series from the year 2004 onwards. The 2-way set impresses with fine and excellent acoustics that even exceed high expectations. With two tweeters (25 mm), two midrange speakers (100 mm) with neodymium magnets, two crossovers, and a plug & play cable set, the set delivers first-class sound in the highest quality. Another advantage of this speaker set is its easy installation thanks to plug & play functionality. With the BM4C-II, you experience the next level of your vehicle's sound.

Features
  • 2-Way Bridge Speaker Set for BMW and MINI
    • Surround speakers for E, F, and X from approx. model year 2004
    • for X3 E83, X5 E70, X6 E71
    • 5 Series E60, E61, F07
    • Z4 E89
    • i8 rear
    • Mini R60, R61
  • The set includes:
    • 2 pcs. tweeters (25 mm)
    • 2 pcs. midrange drivers (100 mm) with neodymium magnet
    • 2 pcs. frequency crossovers
    • Plug&Play cable set
    • tweeter recordings

Technical data of the midrange driver

  • neodymium magnet
  • paper membrane
  • Resonance frequency fs=75Hz
  • Impedance 4 Ohm
  • Efficiency 88dB 1W/1m
  • Maximum power: 30 W
  • Frequency range: 90-15000Hz
  • Qms: 2.34
  • Qes: 0.30
  • Qts: 0.26
  • Mms: 6.95G
  • Vas: 4.97 L
  • Weight: 0.38 KG
  • Installation depth: 36.0 MM
  • Installation diameter: 98.0 MM

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Frequently Asked Questions about BM4C-II

Welche technischen Daten zeichnen den BM4C-II Mitteltöner aus?

The midrange driver of the BM4C-II from Steg offers a resonance frequency of fs=75Hz. With an impedance of 4 Ohms and an efficiency of 88dB 1W/1m, it is designed for clear and powerful midrange sound. The maximum power is 30 W, while the frequency range is between 90-15000Hz. The Thiele-Small parameters Qms, Qes, and Qts are 2.34, 0.30, and 0.26, respectively. Furthermore, the moving mass (Mms) is 6.95G, and the effective volume (Vas) is 4.97 L. The installation diameter is 98.0 mm, with an installation depth of 36.0 mm.

Welche Komponenten sind im BM4C-II Lautsprecherset enthalten?

The BM4C-II speaker set from Steg includes a variety of specialized components that ensure outstanding sound quality. It contains two tweeters with a diameter of 25 mm as well as two midrange drivers equipped with a 100 mm neodymium magnet. Additionally, two crossovers are included to ensure optimal distribution of audio frequencies between the drivers. A plug-and-play cable set significantly simplifies installation. Furthermore, special tweeter mounts are included in the set to enable seamless integration into BMW and MINI vehicle models.

Ist der BM4C-II für BMW und MINI Modelle geeignet?

Yes, the BM4C-II from Steg is specifically designed for installation in BMW and MINI vehicles. The set is compatible with E, F, and X series produced from the year 2004 onwards. This includes models such as the BMW X3 E83, X5 E70, X6 E71, 5 Series E60, E61, F07, Z4 E89, and many more. MINI models like the R60 and R61 can also be upgraded with this set. The precise fit and the Plug&Play wiring harness facilitate the integration of the set into the existing vehicle structure without special modifications.

Wie installiere ich das BM4C-II Lautsprecherset?

The installation of the BM4C-II speaker set from Steg is designed to be very user-friendly due to the Plug&Play wiring harness. You do not need any special tools, as the cables fit directly into the vehicle connections. The compact installation dimensions of the midrange driver (installation diameter of 98.0 mm and installation depth of 36.0 mm) allow for easy integration into the designated areas of your BMW or MINI vehicle. Make sure to place the included crossovers correctly to optimize sound quality. The installation of the tweeters is done in the designated factory openings or with the included brackets.

Welche Vorteile bieten die Neodymmagneten der Mitteltöner im BM4C-II?

Neodymium magnets, as used in the midrange drivers of the BM4C-II, have significant advantages over conventional ferrite magnets. Their high magnetic power density leads to the generation of strong magnetic fields with less weight and smaller dimensions. This allows the midrange drivers to be produced with a compact weight of only 0.38 KG while still delivering a powerful, precise sound. The efficient drive improves the speaker's efficiency to 88dB 1W/1m, which particularly contributes to sound enrichment at high volumes, making it ideal for discerning music lovers.

Wie wirken sich die Frequenzweichen im BM4C-II Set auf den Klang aus?

In the BM4C-II speaker set from Steg, the crossovers play a crucial role in sound quality. They divide the incoming audio signal into different frequency bands and direct them to the corresponding drivers. High frequencies are passed to the tweeters (25 mm) and mid frequencies to the midrange drivers with their neodymium magnet. This precise frequency division prevents overlaps and distortions in the sound image and ensures clear and detailed audio playback. This way, you enjoy an undisturbed and balanced listening experience in your vehicle.

Was sind die klanglichen Vorteile der Papiermembranen der Mitteltöner im BM4C-II?

The paper membranes of the midrange drivers in the BM4C-II offer several acoustic advantages. They are known for their excellent damping properties and natural sound reproduction. Paper as a membrane material is characterized by low self-resonances, which allows for precise and distortion-free sound reproduction. This results in a very fine and balanced sound image, ideal for music lovers who appreciate authentic and uncolored audio playback. The softer sound character of the paper membranes adds extra transparency and liveliness to the midrange frequencies, ensuring hours of listening pleasure.

Wie trägt die Resonanzfrequenz der Mitteltöner im BM4C-II zur Klangqualität bei?

The resonance frequency of 75Hz in the midrange drivers of the BM4C-II is crucial for the sound performance in the lower midrange. A low resonance frequency means that the midrange drivers can start at low frequencies, leading to a precise transition from bass to midrange. This characteristic creates a flowing and clean sound profile without sudden onset of frequency components, which improves the balance of the entire audio system. Together with the other tuned frequency parameters, a harmonious sound image emerges, ideal for any musical challenge.

Was bewirkt der Plug&Play Kabelsatz beim BM4C-II?

With the Plug&Play cable set of the BM4C-II speaker set from Steg, installation is greatly simplified. The cable set has been precisely designed for the connections in BMW and MINI vehicle models, so no additional adapters or technical knowledge are required. By directly connecting to the existing vehicle wiring structures without soldering or other cable-related modifications, installation can be completed in significantly less time and without potential sources of error. This sounds particularly appealing if you want to quickly and easily enjoy the optimized sound quality.

Welche Impedanz besitzen die Mitteltöner des BM4C-II?

The midrange drivers of the BM4C-II speaker set from Steg have an impedance of 4 ohms. This value is common for many aftermarket speaker systems and ensures high compatibility with most car hi-fi amplifiers and audio systems on the market. A 4-ohm impedance offers a very good balance between power consumption and efficiency, resulting in dynamic sound behavior, especially in demanding applications. This impedance allows the speaker set to deliver excellent sound that remains stable and clear even at higher volumes.

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