Steg BM45C-II BMW-Lautsprecherset

Name: Steg BM45C-II BMW-Lautsprecherset | Masori
Brand: Steg
SKU: BM45C-2
Price: 229 EUR
Availability: InStock

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30 Watt RMS

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2-way kit, three-dimensional sound stage
Neodymium magnet, paper cone, frequency range 90-15000Hz
Impedance 4 Ohm, efficiency 88dB 1W/1m

229€

/Set

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Steg BM45C-II

229,00€

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Discover the BM45C-II speaker set from STEG - specially developed for BMW and MINI. This two-way kit revolutionizes your sound with a three-dimensional sound stage and brings the essential sound accuracy to your vehicle. Whether you drive an F-Series, G-Series, E-Series BMW or a Mini F-Series, the BM45C-II kit fits perfectly and delivers unrivaled natural sound. From the water-repellent paper cone to the titanium silk dome tweeter, every detail in this kit has been optimized to create an expanded soundstage and an immersive listening experience. With the BM45C-II speaker set from STEG, your next car journey will be a true audio experience.

Features

2-way STEG speaker set for BMW and MINI

for F-series 1, 2, 3, 4 from approx. 2004 onwards
for G-Series all 3 Series, 4 Series, 5 Series, 6 Series, 7 Series, i8 and X
must be minimally adapted for E-series
for Mini F54, F55, F56, F57, F60

The set contains:

2 pcs. Tweeter (25 mm)
2 pcs. Midrange driver (100 mm) with neodymium magnet
2 pcs. Crossovers
Plug&Play cable set
Tweeter recordings

Technical data of the midrange driver

Neodymium magnet
Paper membrane
Resonant 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
Mounting Depth：36.0 MM
Mounting Diameter：98.0 MM

Frequently asked questions about the BM45C-II

How does the BM45C-II loudspeaker set fit into my BMW?

Rob

The BM45C-II speaker set from STEG is precisely optimized for the BMW F-series, G-series and E-series. For the F-series, it fits perfectly in models such as the 1, 2, 3 and 4 series from model year 2004 onwards. For the G-series, it covers all 3, 4, 5, 6 and 7-series models as well as the BMW i8 and the X-series. The installations in E-series models require minimal adjustments. Engineers who attach great importance to sound precision in particular benefit from the harmonious adaptation of the set. With an installation depth of 36 mm and an installation diameter of 98 mm, almost seamless compatibility is guaranteed.

What are the Thiele Small parameters of the BM45C-II midrange driver?

Rob

The BM45C-II midrange driver from STEG has specific Thiele Small parameters that enable detailed sound reproduction. The efficiency is 88 dB 1W/1m and the impedance is 4 ohms. The resonance frequency is 75 Hz, which supports clear and precise bass reproduction. Other relevant parameters include Qms at 2.34 and Qes at 0.30, while the Qts value is 0.26. The mechanical movement behavior is determined by Mms of 6.95g, and the equivalent volume Vas is 4.97L. These parameters are crucial for optimized performance in the vehicle.

Which components are included in the BM45C-II speaker set?

Rob

The BM45C-II speaker set contains several essential components that support an extensive sound spectrum. It includes two tweeters with a diameter of 25 mm, which provide brilliant high frequencies. The mid frequencies are handled by two 100 mm mid-range drivers with powerful neodymium magnets. In addition, two crossovers are included to enable seamless tuning and integration of the speakers. A plug & play cable set is included to guarantee quick and easy installation. Practical tweeter mounts round off the set and ensure harmonious acoustics in the vehicle.

What frequency ranges does the BM45C-II cover?

Rob

The BM45C-II from STEG is designed to cover a wide range of frequencies to ensure excellent sound reproduction. The midrange driver covers frequencies ranging from 90 Hz to 15,000 Hz, providing deep bass as well as clear mids and highs. Its resonant frequency of 75 Hz ensures that the bass reproduction is precise, while the efficiency of 88 dB guarantees sufficient power output. This wide frequency range is particularly important for creating a realistic and three-dimensional sound stage in the vehicle interior.

How do the material properties of the speakers affect the sound?

Rob

The material properties of the BM45C-II speaker set from STEG have a significant influence on the sound. The midrange driver uses a water-repellent paper cone that is light but robust and optimally transmits vibrations to produce natural midrange frequencies. The titanium and silk dome tweeters combine hardness and flexibility to produce clear but smooth high frequencies. The neodymium magnet used in the midrange drivers guarantees high magnetic efficiency, which further improves sound precision. These material properties enable detailed sound reproduction and contribute to a rich, full sound image in the vehicle.

How do I install the BM45C-II speaker set in a Mini?

Rob

The BM45C-II speaker set from STEG is specifically designed for various F-Series Mini models, including the F54, F55, F56, F57 and F60. Installation is quite simple thanks to the included Plug&Play cable set. After removing the old speakers, the new components of the set are inserted directly into the original mounts - this applies to both the 25 mm tweeters and the 100 mm midrange speakers. The crossovers are also installed in a straightforward manner to ensure optimum sound tuning. The enclosed tweeter mounts facilitate precise positioning. The installation depth of 36 mm must be taken into account to ensure that all parts fit correctly.

How does the neodymium magnet affect the performance of the BM45C-II midrange driver?

Rob

The neodymium magnet in STEG's BM45C-II midrange driver plays a crucial role in sound performance. Neodymium is a rare earth-based magnet known for its strong magnetic field strength at low weight, making it perfect for compact speaker designs. These magnets maximize the motion control of the paper cone, improve sensitivity and provide a precise response across the entire frequency spectrum, especially in the 90 Hz to 15,000 Hz range. They also help to minimize distortion, resulting in clearer sound reproduction. This is particularly relevant for discerning listeners who prefer detailed sound volume.

What is the maximum output of the BM45C-II midrange driver?

Rob

The BM45C-II midrange driver from STEG is rated at a maximum output of 30 watts, which is quite impressive for the type of speaker set it represents. This power limit ensures that the speaker can be operated efficiently without the risk of overloading. The efficiency of 88 dB allows an adequate volume to be produced even at lower power levels. In combination with the resonance frequency of 75 Hz and a frequency range of 90 to 15,000 Hz, this midrange driver offers a balanced sound experience that remains clear and concise even at higher volumes.

How heavy are the individual components of the BM45C-II midrange driver?

Rob

The individual components of the BM45C-II midrange driver from STEG are characterized by their low weight, which is an advantage for installation in vehicles. A single midrange driver weighs 0.38 kg, making it light enough to put minimal strain on the structure of the vehicle. This is achieved by using materials such as the paper cone and neodymium magnet, which are not only lightweight but also powerful. The low Mms of 6.95 grams contributes to the dynamics of the cone movement, ensuring precise sound reproduction without additional stress.

What is the installation depth and installation diameter of the BM45C-II midrange driver?

Rob

The BM45C-II midrange driver from STEG has an installation depth of 36 mm, which is precisely designed for the space requirements in the intended vehicle models such as BMW and MINI. The installation diameter is 98 mm, which ensures easy integration into the factory speaker mounts of compatible vehicles. These dimensions are crucial to ensure accuracy of fit, minimizing potential installation issues. Accurate measurement prior to installation can identify any adjustment requirements, particularly on BMW E-Series models where minimal adjustments need to be made to realize the optimum sound.

Frequently asked questions and answers

How long will it take until I receive my order?

The delivery time of each item is indicated on the product page near the price. For the sake of the environment, we send all items in an order together in one delivery. If items in an order have different delivery times, please use the longest delivery time as a guide. If individual items in your order are needed very urgently, write to our customer service at [email protected] so that we can split your order.

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Can the order also be shipped internationally?

We ship worldwide. There is no place in the world to which we cannot deliver. Shipping is either by DHL or UPS for international shipments.

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What does shipping cost?

Shipping in Germany and the EU is free of charge for orders over €50, below this amount a shipping fee of €4.99 applies. In the rest of Europe: For a gross order value of €0.00-499.99: flat rate of €49.99 (incl. VAT) From a gross order value of €500.00: flat rate of €79.99 (incl. VAT).) Worldwide: For a gross order value of €0.00-299.99: flat rate of €79.99 (incl. VAT) For a gross order value of €300.00 or more: flat rate of €129.99 (incl. VAT)

You can find all shipping conditions here.

Do I have to pay taxes & customs for my order?

We ship from Germany. There are no additional taxes or customs duties in any EU country. In countries that are not part of the EU, customs duties are levied by your local customs authority when the order arrives in your country. You can find out how high these duties are in advance using this simple online calculator: https://www.easyship.com/duties-and-taxes-calculator/germany

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I have seen an item cheaper, does Masori offer a lowest price guarantee?

If you find one or more items purchased from us on a website in the European Union or in a store in the European Union at a lower price than from us, we will match the competitor's price. We guarantee to offer you the same price and refund the difference to the competitor's price. Click here for the detailed guarantee conditions.

Which shipping methods are possible?

We ship via DHL, UPS and for large shipments via freight forwarder.

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How can I return my order?

Please request prior confirmation from Customer Service to confirm the correct return address. Please note the return period of 14 days. The return can then be sent back to the address below. Please enclose a copy of the invoice or order confirmation with the parcel so that we can allocate it quickly. Please ensure that the goods are in a saleable condition, in their original packaging and undamaged. Return address: Masori Kliestower Weg 10a, 15234 Frankfurt (Oder).

How can I track the progress of my order?

Immediately after shipping, you will receive a shipping confirmation by e-mail with a tracking number of the shipping service provider, as well as a link for direct online tracking. You can also create an account in which your orders are automatically synchronized. In this account you can also see the respective tracking number for your orders.

What is the 3-year Masori guarantee all about?

Your purchases at Masori are covered by the 3-year Masori warranty , i.e. we extend the manufacturer's warranty (usually 12 months) to a full 36 months at our expense - at no additional cost or effort for you. Click here for the detailed warranty conditions.

Manufacturer information/responsible person

Fortissimo
Dietmar Carle
Bahnhofstr. 23
88048 Friedrichshafen Kluftern
Kluftern, Germany

Contact: [email protected]

I still have questions. How can I contact support?

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Kaufen Sie das BM45C-II Lautsprecherset von STEG für eine revolutionäre Sounderfahrung in BMW und MINI

Erleben Sie das zweckentwickelte BM45C-II Lautsprecherset, das durch seine Kompatibilität mit den BMW Serien F, G und E sowie MINI F für eine beispiellose Klangqualität sorgt. Der dreidimensionale Klang und die präzise Wiedergabe setzen neue Maßstäbe für alle Autofahrten. Mit wasserabweisenden Papiermembranen und Titan Seiden-Kalottenhochtönern erschaffen Sie eine lebendige Klangbühne. Mit einer Masori Tiefstpreis-Garantie sichern Sie sich immer den besten Preis, wenn Sie das BM45C-II Lautsprecherset online günstig bei Masori kaufen.

Neodymium magnet and high efficiency: key factors of the midrange driver

Der Mitteltöner des BM45C-II Sets von STEG beeindruckt mit seinem leistungsstarken Neodymmagneten. Diese Magnetart, bekannt für ihre hohe Energiedichte, ermöglicht kompakte und leichte Bauformen. Dies steigert die Effizienz des Lautsprechers maßgeblich. Der Wirkungsgrad von 88 dB bei 1W/1m ist beeindruckend und sorgt für eine kraftvolle Wiedergabe. Ein höherer Wirkungsgrad würde den Schalldruck noch weiter erhöhen, während ein niedrigerer Wert leisere Wiedergaben bedeutet. Neodymmagnete optimieren das Verhältnis zwischen Größe und Klangleistung und sind in der Audioindustrie sehr gefragt.

Paper diaphragm for natural sound reproduction

Die Verwendung einer speziellen Papiermembran im BM45C-II Mitteltöner liefert einen natürlichen und unverfälschten Klang. Papiermembranen sind bekannt für ihre besondere Klangqualität durch ihre schnelle Ansprache und geringe Masse. Sie verstärken die Resonanzfrequenz von 75 Hz, die ideal im Gaming- und Filmbereich ist. Ein höherer Wert könnte tiefere Bassfrequenzen beeinträchtigen, während ein niedrigerer die Membran stärken würde. Im Vergleich zu synthetischen Alternativen bieten Papiermembranen eine angenehm warme Klangfarbe.

Resonant frequency and frequency response of the loudspeaker

Die Resonanzfrequenz des Steg Mitteltöners ist mit 75 Hz optimal gewählt. Dies sorgt für präzisen Bass und Klangtiefe. Der Frequenzgang von 90 Hz bis 15.000 Hz stellt sicher, dass alle wichtigen Frequenzen abgedeckt sind. Im Vergleich decken Mitteltöner auf dem Markt oft nur Frequenzen bis etwa 10.000 Hz ab. Ein höherer Frequenzbereich würde die Hochtonwiedergabe zusätzlich verbessern. Doch auch so bildet dieser Lautsprecher bereits eine solide Basis für audiophile Klangerlebnisse.

Two-way design: perfect coverage of the sound range

Das zwei-Wege-System des BM45C-II Lautsprechersets ermöglicht eine detaillierte Klangtrennung. Der 25 mm Titan Seiden-Kalottenhochtöner sorgt für brillante Höhen, während der 100 mm Mitteltöner den mittleren Frequenzbereich ideal abdeckt. Diese Trennung sorgt für einen klaren und simultan dichten Klang. Ein System mit mehr als zwei Wegen könnte für noch differenziertere Akustik sorgen, doch das angebotene Setup ist hinsichtlich seines Preises optimal ausbalanciert.

Q-factor and its influence on sound and design

Der Qms-Wert von 2,34 und der Qes-Wert von 0,30 resultieren in einem Qts von 0,26. Diese Werte bestimmen maßgeblich die Kontrolle der Membranbewegungen und beeinflussen somit die Klangneutralität. Ein niedriger Qts sorgt tendenziell für straffere Basswiedergaben, wohingegen ein höherer Qts sanftere Übergänge bei niedrigen Frequenzen bieten würde. Die Kompaktheit dieser Lautsprecher bietet eine ausgewogene Grundlage für verschleißfreie und detailreiche Musikwiedergabe.

Mms and Vas: Perfect balance between mass and air volume

Der Mms-Wert von 6,95 Gramm zusammen mit einem Vas-Wert von 4,97 Litern reflektiert die Balance zwischen bewegter Masse und Luftvolumenkontrolle. Ein hohes Mms könnte die Tieftonwiedergabe verbessern, während ein niedriger Mms die Präzision erhöhen würde. Der Vas-Wert beeinflusst die Abstimmung auf dein Fahrzeuginterieur und gewährleistet, dass das BM45C-II Lautsprecherset ein harmonisches Klangbild erzeugt, unabhängig von Umgebungsbedingungen im Fahrzeug.

Installation and accessories: Plug&Play cable set and crossovers

Das BM45C-II Lautsprecherset bietet einen umfangreichen Lieferumfang mit zwei Hochtönern, zwei Mitteltönern und den dazugehörigen Frequenzweichen. Diese sind entscheidend für die perfekte Klangtrennung. Der Plug&Play Kabelsatz garantiert eine mühelose Installation. Für den Standort Frankfurt (Oder) steht zudem ein Einbau vor Ort zur Verfügung. Der Einbau der Lautsprecher erfordert keine speziellen Anpassungen, was dem Nutzer eine komfortable und zeiteffiziente Montage ermöglicht.

Bridge speaker set: DT Mini compatibility and specification

Das BM45C-II Lautsprecherset ist speziell auf BMW- und MINI-Modelle abgestimmt. Dazu gehören BMW F-Serie, G-Serie und E-Serie (mit minimaler Anpassung) sowie MINI F-Modelle wie MINI F54 bis F60. Diese Kompatibilität sorgt für eine perfekte Integration und holt das Beste aus jedem Fahrzeugmodell heraus. Der FAQ & Hilfe Bereich des masori.de Webshops beantwortet dazu alle häufigen Fragen zur Installation.

Mounting aspects: Depth and diameter of the midrange driver

Der Mitteltöner des BM45C-II Kits von STEG hat eine Einbautiefe von 36 mm und einen Durchmesser von 98 mm, was die Kompatibilität mit den genannten Fahrzeugmodellen weiter maximiert. Eine größere Einbautiefe könnte die Platzierung im Fahrzeug einschränken, während ein kleinerer Durchmesser die Basswiedergabe beeinflussen könnte. Die präzise Dimensionierung erlaubt eine einfache Montage ohne Raumeinbußen im Fahrzeuginnenraum.

Sound pressure level and its effects on the listening experience

Mit einem maximalen Schalldruck von 88 dB garantiert das BM45C-II ein sauberes Klangbild ohne Verzerrungen. Der hohe Schalldruckpegel sorgt für klare und kraftstarke Wiedergabe selbst bei höheren Lautstärken, was wesentlich für dynamische Musikstücke ist. Ein höherer Schalldruckpegel könnte zu Übersteuerungen führen, während ein niedrigerer für leiseren Genuss sorgt. In der Regel liegt ein typischer Bereich für Fahrzeuglautsprecher in einem ähnlichen Umfeld. Die Wahl des BM45C-II Lautsprechersets von STEG bietet nicht nur wirtschaftliche Vorteile, sondern auch ausgezeichneten technischen Support. Dies inkludiert den umfassenden Audio Blog für tiefergehende Einblicke.