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Backes & Muller BM 100 $550,000 Speakers 

BMLine 100: Vertical horn line source, in a class of its own in the high-end performance league.

Backes und Muller BM 100 belongs to the Horn series.

This is the top acoustics in the Backes&Mueller line.

Authentic reproduction in a large room is very different from reproduction in a small room and requires a completely different approach.

Listening to the acoustics at a great distance from it requires a completely different setting, and as a result of a different process and principle of sound reproduction.

The BM 100 combines state-of-the-art digital technology with time-tested classic horn technology.

The introduction of digital signal processing technologies, allowed us to fully realize the exact construction of the scene and the localization of instruments and performers on it.

All our ideas, concepts, and designs serve only one goal – the most neutral and as close as possible to the natural reproduction of music.

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The housings of the BM 100 are made in the form of vertical horns.

Our proprietary digital crossover with  FIRTEC™ technology separates low and mid-frequency signals, corrects that signal, and feeds it so that it adds up to a single musical picture near the listening position.

S- and X-Material composite materials.

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This musical signal is completely in-phase and therefore absolutely pure and accurate.

In addition, the BM 100 can be customized and optimized for a particular room using the built-in digital equalizers.

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The vertically positioned horn in combination with the cylindrical acoustic radiation wave leads to a noticeable increase in the “direct” sound signal.

Simply put, a person hears an absolutely clear, transparent, clear, and minimally colored sound by the room.

The latest digital crossover is equipped with an FPGA-Design system.

This digital signal processing system was developed on the basis of a mathematical model of the applied speakers, it controls their work by recalculating the data received from them several tens of thousands of times per second.

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The FPGA system makes appropriate adjustments to the signal of amplifiers connected to the speakers.

In acoustics, DMC technology is used, which fully controls the operation of the bass speakers.

The patented “DMC” system constantly monitors and controls the position of the woofer diaphragms.

Thus, the membrane accurately follows the input signal.

The movements of the diaphragms of the bass drivers and their current position are monitored by high-precision sensors.

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Information from the sensors is sent to the analog controller, it compares the current position of the speaker with the characteristics of the audio signal, which at this point in time are references for the controller.

As soon as there is a difference in the reference and final signals, corrective changes are sent to the output stage, which eliminates the differences.

This technology ensures that the membranes only move as necessary to reproduce the signal.

Thus, parasitic oscillations and other errors are excluded.

The installed digital processor FIRTEC ™ provides absolute, phase-linear reproduction, without time delays and any coloration of the sound.

You can change and adjust the processor presets using a special program installed on your computer with OC, Windows XP, Vista, 7 systems.

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The acoustics comes with an SD card on which all the software and acoustics digital equalizers preset and are recorded.

The BM 100s have a built-in 24-bit A/D and D/A converter (Delta-Sigma) with an oversampling rate of 192 kHz.

All these applied technologies and materials gave us an amazing result.

The most important thing is the absolutely natural transfer of music, as it was conceived by the author and recorded by the sound engineer.

The sound is neutral, clear, and musical, with a linear amplitude of the phase frequency response, down to the lowest frequencies.

This achieves dynamics comparable to a live performance and a special “freedom” of sound.

These unique musical qualities distinguish Backes&Mueller acoustics from any other acoustic.

You can tailor the crossover to suit your acoustic conditions and the type of music being played.

All these technologies make the BM 100 very flexible to use in both high-quality stereo and home theater applications.

Acoustics has six built-in fully balanced amplifiers, with a power of 500 watts for low frequencies, 900 watts for midrange, and 300 watts for tweeters.

Amplifiers are made on completely discrete elements.

Official site: Backes & Muller

Technical specifications