The styles are:
The S Models - 32S and 62S.
And the A Models - 42A and 82A.
The sizes?
From the 32S and 62S at 17cm wide and 92cm high.
To the 42A and 82A at 26cm wide and 110cm high.
And the colours?
There is a choice of ten cloth colours and five steel colours – for fifty combinations to go with almost anything.
Each delivery is custom made to your choice.
Elegantly Slim. 92cm high x 17cm wide x 20cm deep, and 12Kg each – £895.
8 ohms nominal, 6.5 ohms minimum, 88dB, 32Hz to 30kHz, 100w max, 50w continuous.
The S Models are the only hi-fi loudspeakers with three drive-units in full impulse and time alignment. They deliver musical leading edges with every frequency component from 30Hz to 30kHz in full synchronism. The result is fantastic realism and sound-staging. This is the lowest cost, custom-made, perfectionist-design, hi-fi loudspeaker in the market.
On the Model 32S, 140mm hi-tech Aerogel bass/mid drivers give big bass down to 32Hz. The main HF units are 31mm aluminium-wound, with silk domes. The top end response is then taken through to an airy 30kHz by top-mounted piezoelectric super-tweeters.
What Hi-Fi immediately gave the 32S their top, 
award. "Extraordinary powers of timing and resolution; ...timing ...almost ridiculously good. Music is delivered with a sublime rhythmic precision, a shapely sense of phase and beat that makes other loudspeakers sound blurred and hazy by comparison. The 32Ss do one thing well - like Jimi Hendrix did just one thing well. They do that one thing so staggeringly well that you could spend years enjoying that one talent."
Look at all the Model 32S reviews »
Packaged Power. 92cm high x 17cm wide x 22cm deep, and 14Kg each – £1,195.
8 ohms nominal, 6.1 ohms minimum, 89dB, 25Hz to 30kHz, 200w maximum, 100w continuous.
This is a slim but powerful hi-fi beauty, in a package just 2cm deeper, than the elegant 32S. It shares the the piezoelectric super-tweeters, but embodies precision Danish HF units and 160mm LF drivers with 54mm voice-coils wound in hexagonal-section aluminium.
The Model 62S handles 200 watts maximum power, and the LF units are rated at 500 watts for 10ms transient power – with a bass response right down to 25Hz.
To enable full surround sound giving the fantastic MonoPulse realism in a matched and balanced system, we offer centre units (as pictured) and wall/shelf mounted rear/surround units, all in matched colours and finishes.
8 ohms, 89dB, 40Hz to 22kHz, 150w maximum - £395 per unit. Significant discounts can be offered for 5 unit sets using the Models 32S or 62S.
Centre unit, 60cm wide x 18cm high x 20cm deep.
Rear/Surround units - 14.5cm wide x 32cm high x 22cm deep.
Purist Performance. A major statement as an audiophile speaker, at 110cm high x 26cm wide x 25cm deep, and 28Kg each – £1,495.
8 ohm, 92dB, 28Hz to 25kHz, 130w max.
Shown in Burgundy cloth, with Gunmetal steel. We have just re styled the Models 42A and 82A - for more details see photos.
This is a hi-fi loudspeaker designed for users who don't want compromise. The HF units, separately suspended on the quarter-inch steels, give absolute precision of impulse and time alignment. These HF units are ferrofluid-cooled, with 28mm treated-textile domes and neodymium magnets, and are rated at 500 watts for 10ms.
Steel bars on the front are for vibration damping. Here they are fitted externally in matching finish as an option. Otherwise they are fitted internally.
There is long and tightly controlled bass from the big, 220mm, LF drivers. Add a smooth treble from those 28mm diameter, ferrofluid-cooled HF units - so for Hi-Hi News, "High frequencies were richly detailed, ensuring that instruments buried way down in the mix are clearly discernable as individual".
And for Hi-Fi + it is "the sheer speed and integrity of its music making."
Look at all the Model 42A reviews »
Purity and Power. Hi-Fi Choice BEST BUY. In the same package as the 42A, but with 550 watts per channel from LF units with Kevlar cones, 4 layer voice-coils, and 40oz magnets, coupled to 25kHz, 28mm, HF units – £1,995.
8 ohm, 90dB. Frequency response from below 20Hz (as measured by Hi-Fi Choice) then up to 25kHz. Power handling is 300 watts continuous, 550 watts nominal maximum – and 1,500 watts for 10ms.
There is no other hi-fi loudspeaker which will deliver the timing purity of leading edges and impulses, with this power. Simply none at any price. For Hi-Fi Choice "The first thing one notices is just how coherent and 'real' it sounds. Timing is truly exceptional." Look at more of this Model 82A review »
The Model 82A is almost unbelievable in its combination of realism, detail, bass and power. 
The main drivers have a very large excursion before they become non-linear, so even at high volumes with high bass content, you can relax in the sound, and never get that uneasy feeling that the units are being overloaded.
Add the MonoPulse realism, sub 20Hz bass, and the 25kHz high-frequency extension, and you have the ultimate hi-fi loudspeaker.
All A Models are wrapped with quarter-inch rolled-steel plate, etched to reveal the full patina of the rolling mill. This is clamped to the all-bonded main enclosure via high hysteresis-loss polymer.
The HF units are separately suspended on these surrounds to isolate them from the main enclosure, to give accuracy of high frequencies and very low levels of intermodulation from acoustic coupling through the structure.
Air-path coupling is also minimised by an acoustic break between drive units.
The mass of the steel surrounds and the damping from the vibration deadening mounting also ensures minimum resonances and spurious emissions from the main enclosure.
See below for other MonoPulse features.
To enable full surround sound giving the fantastic MonoPulse realism in a matched and balanced system, we offer centre units (as pictured) and wall/shelf mounted rear/surround units, all in matched colours and finishes.
8 ohms, 88dB, 38Hz to 22kHz, 200w maximum - £445 per unit. Significant discounts can be offered for 5 unit sets using the Models 42A or 82A.
Centre unit, 60cm wide x 18cm high x 22cm deep.
Rear/Surround units - 14.5cm wide x 32cm high x 22cm deep.
The main options are the colours – for details and prices see colour options
Set into the front panels of the A models are steel vibration-damping bars. These can be fitted externally, in a finish to match the main steels, at a cost of £100.
Hard nylon "spikes", more suited to hardwood floors, can be fitted as a no-cost option.
Extra long spikes to give stability and clearance on deep carpet can also be supplied
All MonoPulse hi-fi loudspeakers have the total impulse precision needed for realism and sound staging.
All models are bi-wireable, or bi-ampable, can accept 7mm spade connectors, 4mm plugs, or 5mm wire. They have all-soldered internal connections.
All crossover components are to the highest specifications, exclusively using heavy-duty air-spaced inductors and film capacitors.
You cannot ignore the laws of physics. Generous MonoPulse enclosure volumes give fast solid bass with low resonance, so clean bass notes can be followed as they were originally played - rather than being over-ridden by the resonance of an enclosure that is too small.
Room placement is easy because all models have downward-firing ports and can be placed close to rear walls. High levels of internal damping and sub-flat bass alignments also avoid room resonance problems.
All external surfaces can be re sprayed or replaced for repair or colour change.
The main purpose of the MonoPulse hi-fi loudspeaker design is impulse synchronism. It is not possible to achieve this with split or multiple mid and bass drivers. The MonoPulse design has to use expensive very high-quality combined mid/bass units closely-spaced with the HF units. Multiple drive-unit "arrays" lose the time-domain precision essential for leading-edge accuracy. See "The Quest for Realism" for a full explanation.
With crossovers set at a high frequency, the MonoPulse design avoids "dual speakers" operating in the fundamental frequency spectrum of the human voice or musical instruments. The avoidance of a crossover in the range of the human voice is particularly important. It is the “instrument” we are most familiar with, and we are very sensitive to inaccuracies.
Also, the HF crossover is fourth-order, giving very good overload protection of the HF unit.
This range of hi-fi loudspeakers from an aerospace designer, features a new approach to clarity and realism. Inspired by phased-array radar systems, they keep the time-domain integrity of the impulses and leading edges in sounds. See The Quest for Realism.
The result of this impulse accuracy is a power of imaging which can be used to give dramatic results with the units well apart. Wide separation, taking the units almost out of side view, can give a panorama of sound with no apparent source – surround-sound but with better imaging. Try placing the units 3 metres apart, with only 2 metres from the listening point to the line between the speakers – a configuration which can also be used in a smaller room.