German Physiks Unlimited Mk II Ultimate

German Physiks

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The German Physiks Unlimited Mk II – Ultimate Version is a special version of the Unlimited Mk II loudspeakers. It features a luxurious high-polish polyester finish, available in classic white or black. As well as providing a wonderfully musical and natural sound, these loudspeakers look great in the flesh. At audio shows their stunning looks always attract a lot of attention, and then the great sound does the rest. In all other respects, the Ultimate Version is identical to the Unlimited Mk II.

Stylishly Simple Design

Not only is the Unlimited MK II an exceptionally good sounding loudspeaker, it is also our design statement. The design is intended to be both elegant and simple, so that it blends into its surroundings rather than draws attention to itself. We want the listener’s attention to be concentrated entirely on the music.

The Unlimited MK II’s cabinet footprint is only 24cm by 24cm (9.5” x 9.5”), so it takes very little space on the listening room floor. The cabinet itself is covered with a high quality acoustic vinyl. This has a satin textured finish and is available in white, grey, black and dark brown. These colours will match a wide variety of interiors. This is not the thin vinyl used on many lower cost loudspeakers.  It comprises two layers:  an under-layer that provides a significant amount of vibration damping, which further suppresses cabinet resonances and an outer layer that carries the colour and texture. This finish is extremely durable and will withstand knocks and bumps that would damage conventional wood or paint finishes.

Tuneful Bass

One of the first things that will strike you about the Unlimited MK II is the excellent quality of the bass, especially considering the compact size of the cabinet. The bass is deep with real weight, but it is also clear, articulate and in time with the rest of the audio range. It is easy to follow the bass lines and drums have an authentic impact to their transients. The correct bass balance is maintained even when listening at low levels, so you can continue to enjoy your Unlimited MK IIs when you would otherwise have to use headphones.

The DDD Driver

The key to the exceptional performance produced by all German Physiks loudspeakers is our DDD driver. The Unlimited MK II uses the same design of DDD driver as our top of the line Gaudi, which retails for over $300,000 a pair.

The DDD driver in the Unlimited MK II covers the frequency range from 200Hz to 24,000Hz. This avoids the need for a crossover point in the mid-range that conventional 2-way designs must have. The consequent outstanding mid-range clarity combined with the DDD driver’s naturally low distortion, allows the Unlimited MK II to better reproduce the very fine detail in the music that you would expect to hear in a live performance.

Another important factor affecting a loudspeaker’s ability to provide a convincing recreation of a performance is the quality of its stereo imaging. The DDD driver enables the Unlimited MK II to produce well-focused, three-dimensional stereo images that are accurately proportioned and can be almost palpable in their reality.  This combined with the DDD driver’s exceptional transparency and its lightning fast transients provide the listener with a performance that is both emotionally involving and musically satisfying.

Goodbye to the Tyranny of the “Sweet Spot”

Because the DDD driver is omnidirectional, the Unlimited MK II’s excellent stereo images can be enjoyed from a wide range of positions in the listening room, rather than from just the small “sweet spot” that many conventional designs produce. This allows several people to enjoy the Unlimited MK II at the same time. It also means that long listening sessions are not fatiguing, as you do not have to worry about staying in a small “sweet spot” in order to enjoy the best sound.

Additional advantages of the DDD driver’s omnidirectional radiation pattern are that it makes the Unlimited MK II less fussy about its position in the room than many conventional designs and it allows the Unlimited MK II to provide an even tonal balance in almost all positions in the room.  Loudspeakers that use conventional drivers will only produce the correct tonal balance in a narrow range of positions in the room, due to their tendency to beam at high frequencies.

More information on the DDD driver, its development and advantages may be found on the Technology page of this web site.

Low Resonance Cabinets

Resonances in a loudspeaker cabinet can seriously degrade the sound quality by obscuring detail. To prevent this, the Unlimited MK II’s cabinets are constructed from heavy panels of MDF, with internal re-enforcements fitted at critical points.

As a further anti-resonance measure, a special damping material called Hawaphon® is applied to the inside of each panel. This adds mass to the panel to reduce the resonant frequency and its special internal structure very effectively converts vibration energy into heat. Hawaphon achieves a broadband attenuation of structure-borne sound of more than 50dB: a remarkably high figure. In addition, the special acoustic vinyl material used on the outside of the cabinet provides a further reduction in vibration of up to 17dB.

Finally, to damp resonances of the air within the cabinet, the whole of the inside of the cabinet is lined with a thick layer of high-density felt.

Designed for a Lifetime of Listening Pleasure

We use the same quality of parts in the Unlimited MK II as in our reference products, where we design for a minimum life expectancy of 25 years. For this reason we have selected highly corrosion resistant V4 grade stainless steel for the DDD driver support pillars, terminal mounting plates and all the screws.

We apply the same meticulous care and attention to the manufacture and testing of the Unlimited MK II as we do with all of our other products. After assembly the performance of each loudspeaker is measured. Then it is burnt in for at least 12 hours and measured again. Finally, we carefully match the loudspeakers in each pair.

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