Posted on 26 August 2012




TFCT (Transverse Folded Cabinet Technology)

We use two U-shaped sections bonded into each other to form a box, creating a structure that is much stronger and more rigid than other alternative methods. The U-coupled front and rear baffle greatly reduces cabinet vibration and hence colouration.

Keraform (Ceramic Matrix Cone)

‘Keraform’ ceramic matrix drivers are a Mission first. Unlike the so-called ‘ceramic hardening’ applied to aluminium cones, ‘Keraform’ is a true ceramic material impregnated into a fibre matrix and then oven cured. Having a greater stiffness to mass ratio than any previous drive unit material, performance parameters for midrange performance, transient attack and detail resolution are exceptional, and set new standards in their class. 


Mission’s ‘Paramid’ driver is formed using a sandwich structure. Aramid polymer fibres with incredible tensile strength are sandwiched between two stiffer pulp layers. This creates a cone which is very light and stiff, yet has superb internal damping. The internal damping drastically reduces cone-induced distortion by absorbing the transverse waves that travel through a cone following an impulse.


Viotex is an extremely fine weave material which is both incredibly light and, when woven into a matrix and impregnated, is also very strong. Capable of moving at incredibly high speeds with minimal inertia, Viotex not only improves the upper frequency response band limit and improves the detail resolution, it is incredibly natural and relaxed in performance.

Hemp Fibre Cone

For the flagship Pilastro project, Mission has developed a new generation of hemp driver. Hemp is a natural fibre with higher tensile strength than steel, yet has superb internal damping characteristics. Completely linear and pistonic, even with fast transients, it is relaxed and natural in presentation. By controlling cone resonances with a double surround, each musical note starts and stops precisely with no overhang or blurring of the musical message – a natural material for a natural sound that brings an uncanny realism to vocals and instruments. 

Symmetrical Driver Array

A symmetrical configuration of drivers is used to improve dispersion and to improve imaging. Placed equidistant above and below the high-frequency driver, mid-range and bass drivers create an even horizontal dispersion and a controlled dispersion on the vertical plane. Having the treble unit centrally placed enhances the imaging by mimicking point-source dispersion. Interference patterns when a stereo pair of speakers are used to create an almost holographic sense of presence with the listener able to discern the exact location of instruments and voices within the sound stage. 

Ring Dome Treble Unit

Mission’s exclusive ‘ring dome’ treble unit uses a woven textile material formed in a double ring arrangement. The combination of textile dome and multi-ring surround applies optimum stiffness to the maximum radiating area. The dome and ring have double suspension with the voice coil attached at the junction between them. The voice coil sees minimum mass, yet the radiating area is large for greater efficiency. The result is high sensitivity and a wide bandwidth from 3kHz to 56kHz. 

Equilibrium Balanced Bass Driver

Decoupling bass vibrations from a cabinet has for many years been a core objective of loudspeaker design. Such vibrations can cause driver intermodulation as well as cabinet resonance. As part of the Pilastro project, Mission has developed a new system where side mounted bass drivers are arranged directly opposite to each other – each one connected to its counterpart using a force pipe. In this way, opposing vibrations generated by the drivers are self cancelling. The result is that all the drive unit energy is concentrated on moving the cone. Transient attack is sensational and rhythmic timing is precise. Cabinet colouration and resonance are entirely eliminated leaving only the drivers as providers of acoustic output. 

IDG (Inverted Driver Geometry)

Mission has pioneered the use of inverted driver geometry. By placing the treble unit below the bass or mid-range driver, the length of path is equalised so the waves coincide at the listener’s head-height. This principle is known as ‘time-alignment’.

Granitech Cabinet Construction

Formulated to provide the best combination of rigidity, damping and acoustic isolation, ‘Granitech’ is a stone-like material with a granulated structure that breaks up sound wave energy and provides an ultra-quiet structure.

Audiophile Grade Crossover

Mission use advanced computer modelling to produce an optimum response and minimum phase shift through each crossover point. This is then refined through critical listening tests and panel evaluation to produce an ideal performance. Our audiophile crossovers include components to reduce the effects of driver impedance peaks which would otherwise cause unwanted phase shifts through the crossover region. Crossover components are chosen for their specific audio qualities mounted on custom designed PCDs for minimum interaction and mounted using soft resin to dampen any mechanical interference.

Side facing driver

On large floor standing loudspeakers, it is often desirable to use a sideways facing driver. In small rooms, these should be positioned facing inwards to create a taut, controlled bass, free of room gain and boom. In larger rooms they can be switched to face outwards, improving presence and extending the lower frequency response.

Heatsink cooled treble unit

Maintaining a low temperature in a treble unit is essential for a consistent performance, especially at high volume levels. Heat is generated by current within the voice-coil and this need to be controlled to avoid compression and even damage to the unit.

Viscous laminated treble unit

The viscous laminated high frequency dome treble unit offers exceptionally smooth high frequency performance with a superior off-axis response. The ferro-fluid cooled voice-coil design is optimized to provide minimal compression at high volume levels with an ultra-fast transient response.

Tri-wire terminals

Tri-wire terminals are used to allow the bass, mid-range and high frequency sections of a loudspeaker to be wired independently as with bi-wiring. It is also possible to join either the bass and mid, or the mid and treble and bi-wire the speakers. ( see bi-wiring )

Magnetically shielded

All our magnetically shielded loudspeakers are ideal for use in close proximity to all television sets or whatever magnetic interference is an issue.

Direct Coupled Crossover

The objective of any internal loudspeaker design is to transmit as much of the music as possible to the drivers with the fewest possible components in the way, degrading the signal. By mounting the crossover section directly to the rear loudspeaker terminals, the signal path is shortened and number of internal connections reduced.

D2IS (Damped driver isolation system)

The unique D2IS system is designed to reduce the effect of front baffle vibrations on the h.f. unit’s output. A low profile neodymium magnet enables the treble unit housing to be fully contained within the front baffle, mounted in a resiliently damped, compliant cradle. This increases the decoupling the treble and bass units, eliminates virtually all unwanted mechanical and definition, particularly through the vital crossover region is considerable.

Kapton voice-coil former

Kapton is a polyimide film with both excellent electrical insulation and thermal dissipation properties. Both qualities are essential for developing a loudspeaker that can play with minimal distortion at louder volume settings.

Gold-plated connections

Gold has both exceptional electrical conductivity and is also relatively malleable. When used for electrical connections, it creates a larger contact area and a lower resistance – ideal for preserving the optimum signal quality.

Bi-wire terminal

Bi-wire terminal are used to allow the bass and high frequency sections of loudspeakers to be wired independently. All bi-wireable loudspeakers are supplied with “bridging” clips, so that a signal wire can be used if desired. Although the maximum benefit of bi-wiring is achieved through using two sets of amplifiers with different channels driving the bass the treble frequencies, there are still significant acoustic advantages to running two sets of amplifier outputs. When bi-amping 9 using two stereo amplifiers ) with bi-wire speakers, it is recommended for each amplifier to be driving a bass and treble unit of one speaker, rather than having one amplifier driving both treble units and the other both bass units. 

High grade OFC ( Oxygen free copper )

Copper is an excellent electrical conductor; however, oxygen impurities within the crystalline structure can adversely affect that conductivity. By refining the copper to a much high grade of purity, electrical conductivity can be improved and hence signal quality.

Real wood veneer

Mission uses only real veneers cut from renewable sources. Other manufacturers often use reformed wood pulp mashed and dyed to create the impression of exotic woods, whereas all Mission veneered loudspeakers use book matched pairs ( consecutive slices ) mirrored in the left and right speakers for a perfect match ) for the original, unprocessed wood. Mission believes a quality loudspeaker should not only sound natural and realistic, but also look and feels like a craftsman-built piece of quality furniture. 

Bi-pole dispersion

A”bi-polar” dispersion is ideal for surround channels in a multi-channel system. With all drivers firing in-phase, they produce a 180 degree hemisphere of sound with one of the destructive interference obtained at low frequencies using “di-pole” speakers. Positioned either on a rear a side wall, with one set of drivers pointing towards the listener and the other toward the wall, ”bi-polar” loudspeakers produce a direct sensation of the surround effect, but also superb sense of atmosphere and involvement. 

Ferrofluid cooling

Treble voice-coils are fine wires and tend to get very hot when used for a long time, or at high volumes. This can cause distortion and compression if the excess heat cannot be removed. Ferrofluids are used in treble drive units to sink heat between the voice-coil and the magnet assembly. They also passively damp the movement of the cone. They reside in what would normally be the air gap around the voice-coil, held in place by the speaker’s magnet.


Neodymium magnets ( NdFeB ) are one of a class known as “ rare earth” magnets. They are also sometimes known as “super magnets” because of their unbelievable strength, low weight, small size and their thermal stability.

Die-cast Chassis

Die-cast chassis are a huge improvement over plastic or even pressed steel units. Because of the manufacturing technique used, they can have a more complex three dimensional shape hence are much stronger. Because of their higher strength, they can be manufactured with an open frame design. This allows air moving backward from the cone to flow and be absorbed within the cabinet rather than being reflected back through the cone. There is an obvious improvement to mid-range clarity and timing.

DiaDrive bass driver

A natural mid-range quality is produced by a seam-free curvilinear cone formulated from a mixture of soft pulp and acrylic fibre specially designed for midband clarity and lucidity. Backing this with a stiff, conical support with increased area of contact with the voice coil for outstanding transient impact.

Parawave Driver

‘Parawave’ is the result of years of research into the properties of aramid fibre and how they can best be used in loudspeaker cones. Aramids are man-made polymers with exceptional tensile strength – 5 times stronger than the equivalent weight of steel. To be effective in a loudspeaker cone, however, they need to be formed into a three dimensional matrix, bonded with a compatible resin and cured extensively. 

NXT Drive Units

Whilst conventional loudspeakers move in and out pistonically (fig 1 & fig 2) to create radiating beams of sound, NXT (or DML Distributed Mode) panels excite the surface of a material. In the same way that a piano soundboard amplifies the note from the strings, the sound is propagated from the entire surface of the panel at an amplified level. The waves across the surface form a complex, dense wave structure (fig 3), so has very different properties to the kind of pistonic sound produced by conventional loudspeakers.

Semi-Spherical Dispersion

Due to the way sound is propagated from the panel, M-cube loudspeakers radiate the full spectrum of sound at consistent levels in a full semi-spherical pattern. This is a major advantage over conventional loudspeakers. A conventional drive unit produces focussed beams of sound (Fig 1). This is fine if your listening area is 14px, such as tends to be the case when listening to music, but for films, when the room is more likely to be full of friends, the more uniform dispersion from the m-cube system is much better (Fig 2). 

Optimized In-Room Response

Again, due to the unique way that sound is propagated from the surface of the M-cube, the volume is very consistent in the room. Whereas conventional speakers produce a volume that decays very quickly the further the listener moves from the speaker, the decay from M-cube is a constant. Furthermore, when conventional speakers interact with each other, the ‘waves’ cause interference patterns in the room. M-cube is immune from this effect and produces a near perfect sound field throughout the room – This means the satellite speakers have a huge flexibility as to their positioning – in a corner, around an L-shaped room, on brackets or shelves – the result is a constant for everyone listening.

LRT (Linear Reproduction Technology)

Mission utilized a single source drive unit capable of exceptional high frequency response for the full M-iSphere and M-iSphere mini range. It eliminates the need for crossovers and maintains perfect phase linearity throughout the frequency spectrum; Quite expensive and difficult to produce but sounds better than multi-ways.

Shell Cast DV Resin

The M-iSphere speaker cabinets use a shell cast DV resin alongside a super rigid tubular and hemispherical design which effectively controls and cancels rear cone reflection leading to perfect timing and integration.

USB Link

Plug and Play instant accessibility to PC/Mac stored music files which have better sound quality than CD players in lossless format via a built-in USB connector. 

Class-D Amplification

Mission’s M-iSphere system series come with a high quality Class-D amplifier capable of fast and responsive amplification capabilities that guarantee a neutral response. It also enabled Mission to control a 5” driver so that it can change direction 30,000 times a second yet still pack a substantial bass punch without the need for an additional subwoofer.

In-Grille Wave Guide

The front grille incorporates an integral waveguide, allowing the treble unit to blend with the midrange output in a completely natural way. For the first time you can hear hi-fi speakers produce their designed performance without having to remove the grilles.


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