German physiks PQS-100 Plus MkII
142,000kr155,900kr Select options

German physiks PQS-100 Plus MkII


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Product Specifications
Impedance – 4 ohms
Frequency response – 45– 24,000Hz
Power handling – Nominal 190W, Short term 290W peak
Amplification required – Minimum 70W/4 ohms
Crossover frequency – 120Hz
Crossover slope – DDD section 6dB/octave electronic & 18dB/octave acoustic, Woofer section 12dB/octave electronic & 18dB/octave acoustic
Sensitivity – 86dB for 1W at 1m
Operating principle – 2-way loudspeaker with 360° surround radiation using the German Physiks DDD driver
Input connectors – 1 set of WBT nextgen™ binding posts
Drivers – 1 x carbon fibre DDD driver, 1 x 6-inch woofer
Finish – Carbon fibre and Nextel
PQS-100 Plus – 267mm W x 510mm H x 310mm D, 10.5″ W x 20.0″ H x 12.2″ D
PQS-Plus Stand – 326mm W x 1,100mm H x 370mm D, 12.8″ W x 43.3″ H x 14.6″ D
Weight – PQS-100 Plus 21.0kg / 46.2lbs, PQS-Plus Stand 10.2kg / 22.4lbs
Warranty – 5 years

About the German Physiks PQS-100 Plus

The PQS-100 Plus uses a single carbon fibre DDD driver combined with a downward firing 6-inch woofer. It is physically compact, making it ideal for stereo systems in smaller rooms. It can also be used in 5.1 systems where its excellent bass response obviates the need for a sub-woofer.

THE PQS-100 Plus is a small, but highly versatile loudspeaker that can offer excellent sound in a wide range of applications

@Versatility With Musicality
Like all German Physiks loudspeakers, PQS-100 Plus can produce detailed and realistic stereo images, which can be enjoyed by many listeners from a wide range of positions within the room. This is especially useful in home theatre applications. This also makes the PQS-100 Plus well suited for use in galleries, shops and other public places where very high quality sound is required and the sound source must be unobtrusive.

Despite its compact size, the PQS-100 Plus produces fast, clean and agile bass, which makes the listener think that a much larger loudspeaker is being played. The high quality of the bass is matched by the performance provided by the DDD driver. This gives the excellent speed, dynamics and resolution that German Physiks loudspeakers are famous for and helps to produce the sense of reality that is the essence of a musical performance.

Versatile Mounting Options
The PQS-100 Plus may either be mounted on the optional PQS-Plus stands, or attached directly on to the wall. The latter is especially convenient when the PQS-100 Plus is used in 5.1 systems.
Excellent Driver Integration

A problem with multi-way loudspeakers is how to integrate the drivers so that the listener is not conscious of different parts of the audio range coming from different parts of the loudspeaker. The PQS-100 Plus solves this problem in three ways. Firstly, its carbon fibre DDD driver covers the range from 120Hz to 24,000Hz, so the vast majority of the audio range is covered by just one driver. Secondly, the woofer is physically located very close to the DDD driver, which makes the two drivers appear as one source. Thirdly, by making the woofer fire downwards, its radiation pattern more closely matches the omnidirectional pattern of the DDD driver.

5.1 Surround System Possibilities
The table below shows some suggested configurations for 5.1 surround systems using the PQS‑100 Plus.

The heart of all German Physiks loudspeakers is the unique omnidirectional DDD driver
The German Physiks DDD driver uses a cone made of extremely thin (0.15mm) carbon fibre. This is very light, but also very rigid. Each driver is hand-built by a skilled technician in our factory in Germany. This is a painstaking process that takes 6 hours. After assembly, each driver undergoes a series of rigorous tests. It is then subject to a 96 hour pre-aging process, playing specially selected music at high level. Finally, it is retested and put together with another driver to form a matched pair.

The DDD driver has two key distinguishing features
1. It is omnidirectional, meaning that it radiates the sound evenly around it.
2. It has an exceptionally wide operating range. In the PQS-100 Plus it covers the range from 120Hz up to 24kHz – almost 7 octaves.

This extremely wide range is achieved by the use of 3 modes of radiation
Pistonic radiation
Bending wave radiation
Modal radiation

By comparison, most loudspeakers use drivers that only use pistonic radiation. These have a much narrower operating range and as the frequency rises, they tend to concentrate their energy into a progressively narrowing beam.

The DDD driver’s omnidirectional radiation characteristic and its very wide operating range, together with several other key features give the following important advantages to all German Physiks designs and is what sets them apart

Exceptionally coherent and natural sound
This is due to the DDD driver’s 7 octave plus operating range. This is very difficult to achieve when such a wide range is split over two or more different types of driver, which are in different positions on the loudspeaker’s cabinet.

This wide operating range also eliminates the crossover point in the mid-range that loudspeakers using pistonic drivers must have. This is where our hearing is most sensitive, so removing anything that might cause level or phase errors from here will improve transparency.

Realistic stereo images more like those you experience in the concert hall
This is because the DDD driver’s omnidirectional radiation characteristic creates an enveloping sound field like that in the hall, rather than beaming the sound at you as conventional drivers do. This way the PQS-100 Plus is able to recreate a more natural rendition of the original stereo image. This has excellent depth and focus, but without the overly sharp image definition that some hi-fi loudspeakers produce and which you will rarely if ever hear at a live performance.

Stereo imaging enjoyable in almost all positions in the room
This is achieved whilst also maintaining an even tonal balance, much like at a live performance: again due to the DDD driver’s omnidirectional radiation pattern. This gives more flexibility in where you sit and allows several people to enjoy a good sound together. This is useful in home theatre systems.

As you are not restricted to a small “sweet-spot” in order to hear the best sound, the PQS-100 Plus provides a more relaxed listening experience. This is especially noticeable when you listen for long periods.

Exceptional dynamics
The DDD driver’s very low moving mass, less than 3 grams, allows German Physiks loudspeakers to recreate both the attack of the music and resolve low level detail very accurately. This is essential in order to faithfully reproduce the delicate nuances of a performance and make it sound like music, rather than just good hi-fi. The resultant transparency is maintained even on complex high-level passages.

Accurate portrayal of musical instruments’ tonal characteristics
This is because the DDD driver is phase linear across its operating range. This together with the excellent dynamic response, enables the PQS-100 Plus to reproduce percussion with startling reality. Voices have a clarity and purity that can be breath taking, with all the elements of the vocal sound correctly located in space and with no undue emphasis. The hardness you often hear with conventional tweeters is eliminated and you get a greater sense of hearing a live musician.

Quick and easy to set up
As they are omnidirectional, German Physiks loudspeakers are less sensitive to room position than conventional designs and there is no toe-in adjustment to worry about.

The DDD driver is less likely to excite cabinet vibrations
Due to its very low moving mass and the way that it is mounted, the DDD driver puts less energy into the cabinet than an equivalent conventional driver. This reduces cabinet resonances and improves transparency.

Physically extremely rugged
The DDD driver can withstand abuse that will destroy most other drivers. Thisis illustrated in the video below. We don’t advise our customers to try this, just in case they are having an unlucky day.

Low Resonance Cabinet Design Enhances Transparency
Colouration caused by resonances in a loudspeaker cabinet, where the cabinet itself starts to radiate sound energy,can seriously degrade the sound quality by obscuring detail.

The PQS-100 Plus solves this problem by having a minimalist cabinet. This is machined from heavy MDF panels, which are inherently very stiff and non-resonant. The cabinet’s rounded shape has been carefully chosen to minimise resonances. A special damping material called Hawaphon®is applied to the inside surfaces of the cabinet.

Hawaphon® is a polymer sheet containing a matrix of small cells filled with very fine steel shot and was originally developed as an anti-surveillance measure for use in military and government buildings. It adds mass to the cabinet to further reduce the resonant frequency and the ability of the shot in the cells to move against each other provides a very effective way of converting vibration energy into heat. Harahan® achieves a broadband attenuation of structure-borne sound of more than 50dB: a remarkably high figure.

Additional damping is provided by the application of bitumen damping sheets and unwanted air resonances are prevented by the use of high density felt sheet..

Designed for a Lifetime of Listening Pleasure
As you would expect from a German product, the quality of construction and reliability are first class. We use the same quality of parts in the PQS-100 Plus 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.

Meticulous care and attention is paid during the manufacture of the PQS-100 Plus. Prior to assembly all components and materials are subject to a rigorous inspection. We also carry out detailed inspections at each stage of the manufacturing process. We can afford to do this as we build our products by hand in small batches. After assembly the performance of each loudspeaker is measured. Then it is burnt in for at least 12 hours and measured again. Once the burn process is complete each loudspeaker is given a final detailed physical inspection before being packed.


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