Model M1

Immersive. Dynamic. Compact.

ModelM1 front white

Designed for all those looking for the highest level of reproduction neutrality and sound power in a compact form factor. Equipped with active and passive modelling of sound radiation. Model M1 sets a new standard in its size class in terms of uniform radiation, low distortion and level stability.

Model M1 front-top white
Model M1 rear upper white

Model M1 is a compact 2.5-way active loudspeaker for short to medium listening distances that can be used in all listening environments. Ideal for professional and private applications that require high fidelity and sound power in a compact form factor - from music production studios, high-quality home theaters to private living rooms.

119/121 db peak level
Always uncompressed and close to reality.

140° x 100° constant directivity
Enlarged sweetspot and higher spatiality.

THD <0,3 % (@90 dB/1 m)
Lowest distortion for precise playback.

down to 200 Hz cardioid radiation pattern
for easier room integration and wall mounting.

280/420 Watt Class-D amplifier
drives all three channels at all times with sovereignty.

32 Hz Cut-off frequency
for an impressive bass foundation.

Highest immersion through
modelled radiation behaviour
Model M1 Waveguide

Like a sculpture, radiated sound can also be modelled. In the high-frequency range, a seamlesswaveguide integrated into the baffle shapes the radiation, aligns it with the mid-bass driver and keeps it horizontally constant at 140°. Compared to the usual 90°, thesweet spot in which the precise imaging occurs is enlarged. In the vertical plane the radiation is asymmetrically shaped 60° upwards and with 40° less downwards to reduce floor reflections and thus create a better spatial localisation.

BEM simulation of the waveguide horizontal
BEM simulation of the vertical waveguide

Two rear woofers actively shape the radiation up to the upper bass range (hypercardioid) by means of sound cancellation. This results in a constant directivity from as low as 250 Hz, thus enabling high immersion even in difficult listening situations.

Targeted sound modeling based on the latest science - the key to authentic reproduction and the unforgettable "in the middle" effect.

Dynamic and clear

latest generation drivers and transducers
Model M1 driver front
The tweeter solution for critical applications

Extended bandwidth | Smooth and linear frequency response | High electrical and mechanical load capacity | Very low distortion | Reduced compression | High dynamic reserves | Ideal connection to sound guides (waveguide)

Exceptional performance requires exceptional components. In order to achieve the goal of the greatest possible freedom from compression, the lowest possible distortion and a wide bandwidth, the path led from the usual dome tweeters to a compression chamber driver. Only this design can reproduce the highest level peaks of up to 115 dB without any strain and with the lowest possible distortion. A 44 mm titanium diaphragm generates the high frequencies in a separate chamber, where they are directed via computer-calculated tunnels into the funnel(waveguide) on the front of the cabinet and thus optimally connected. As a result, the highs are crystal clear and never fatiguing, even after long periods of listening.

Exploded drawing of the compression driver

Compared to traditional dome tweeters,
a compression driver has a dramatically higher
efficiency and therefore requires only 1/10
of the amplifier power for the same sound level.

Exceptional bass from a compact cabinet

Extended low bass range | Smooth and linear frequency response | Very low distortion | Resonance-free midrange | Fast decay | Flexible driveability

In order to be able to produce an extended and level stable bass, area and excursion are required. Therefore, three 170 mm woofers in a closed design help to create a total area of 360 cm² and generate a room-filling and precise bass foundation with the help of a linear excursion of 11 mm.

Geometrically reinforced and coated aluminium diaphragm behaves completely resonance-free in the transmission range up to the mids. This makes voices seem impressively realistic. Ventilated die-cast baskets hold the demodulated motors, which have been optimized for minimal distortion and thus provide an uncolored reproduction.

Model M1 bass-midrange speaker surface

The use of three 6.5 inch drivers results in the total surface area of a 10 inch woofer with comparable performance.

Not only flatters the ear
Design and aesthetics

Form follows function. Every aspect of cabinet design has been developed for acoustic quality. This resulted in housing proportions with a large width and small depth. With a depth of only 140 mm (5.5 inch), the case is pleasantly flat and can therefore be placed very close to the wall.

Model M1 sloped-rear
Model M1
Class A Surfaces
Freeform surfaces of the highest quality. This term is used to describe surfaces that have curves and transitions of perfect quality. Otherwise only car designers strive for a comparable perfection of the surfaces when designing the outer skin. Generously rounded side edges not only flatter the eye, but also minimize edge reflections and thus negative housing influences. All surfaces are finished in the highest furniture quality and can be individually coloured.
An elaborate 5-axis CNC-milled base structure made of Valchromat forms the cabinet and offers 30% higher stability than commercially available MDF boards. The opposing arrangement of the drivers front <> rear reduces cabinet vibrations by a factor of 10, since the kinetic forces cancel each other out. The cabinet thus remains absolutely quiet even with the strongest bass impulses.
Fully digital and active
State-of-the-art technology,
applied purposefully
Front view DSP amplifier

For better integration into existing audio chains and for more compact loudspeaker housings, the entire electronics are outsourced and housed in an attractive, flat and passively cooled aluminum enclosure. This allows the power and signal cabling to be centralized, especially in multi-channel applications. Various settings can be accessed via USB and the system software, and room calibration can also be carried out in this way.

Electronics Model M1 Setup
Leading amplifier technology

Highly efficient Class-D amplifier modules from PASCAL with patented UMAC™ technology form the basis. Features such as an extremely flat frequency response, complete independence from the load impedance and practically frequency-independent distortion behavior mark the current state of amplifier technology.

Pascal Class-D amplifier module

By dividing the six amplifier channels into three segments, a true mono design has been achieved, with the right and left channels and the rear woofers each separated by their own power supplies. Mutual interference (crosstalk) is thus excluded even under maximum load. The output power can be configured here with 2x 280 watts and optionally 2x 420 watts. Three capacitor banks can also be optionally configured for further power supply stabilization. The additional 57,600 µF then available in the form of low-ESR capacitors can withstand even the hardest bass pulses of up to 1200 Watts for short periods.

All components are installed in 105° C temperature-stable variants to ensure high reliability and long operating life.

Full digital signal processing

The digital signal processing is performed using a powerful 4th generation SHARC DSP with 32-bit floating point accuracy. The digital crossover uses steep filters to minimize the overlap areas of the drivers and to create even cleaner transitions. A linear-phase equalization using FIR filters corrects the time domain for a smooth and natural playback. 

The AD/DA conversion has a dynamic range of 112 dB(A) and is acoustically transparent. Predictive limiters protect all components against overload at all times and thus offer absolute operational reliability.

DSP processing chain

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