WLM Rudi MK2 – Viennese loudspeaker manufacturer combines the joy of playing with floorstanding authority
With the WLM Rudi MK2, Wiener Lautsprecher Manufaktur GmbH is not simply scaling up an existing idea, but giving the lively Ella character a broader, more commanding acoustic frame. Paper cones across all driver sections, a special dual-bass arrangement and four separate reflex channels point to a loudspeaker built around coherence rather than spectacle. Presented for the first time at HIGH END Vienna 2026, it looks like a distinctly Viennese answer to a very serious HiFi question: how much energy, colour and ease can a floorstander deliver without losing its musical manners?
- The WLM Rudi MK2 is conceived as a floorstanding loudspeaker that combines immediacy and rhythmic vitality with real low-frequency substance. Its high efficiency and benign impedance behaviour also make it a particularly interesting proposition for WLM Josef S and refined tube amplifiers.
Wiener Lautsprecher Manufaktur GmbH used HIGH END Vienna 2026 to introduce the WLM Rudi MK2, a new floorstanding loudspeaker system that speaks very clearly of the Austrian company’s own way of thinking. This is not a loudspeaker designed around one heroic specification, nor one that tries to impress by making a single technical trick the whole story. Its premise is broader and more musical: agility, tonal coherence, domestic suitability and the kind of direct, unforced musical communication that Wiener Lautsprecher Manufaktur GmbH has long regarded as central to its identity. The WLM Rudi MK2 is intended to carry the spirited nature of the WLM Ella Series into a more commanding floorstanding format, addressing listeners who want delicacy, dynamic scale and the sheer physical push of live music to sit comfortably in the same room.
Key Facts WLM Rudi MK2
- New loudspeaker system from Wiener Lautsprecher Manufaktur GmbH
- First presented at HIGH END Vienna 2026
- Floorstanding loudspeaker in current WLM design
- Developed to combine Ella-like musical verve with floorstanding authority
- 2 x 8 inch bass drivers with paper cones
- 1 x 6,5 inch midrange driver with paper cone
- 1 x cone tweeter with paper cone
- Special bass arrangement radiating upwards and downwards
- Four separate reflex channels inside the cabinet
- High efficiency and benign impedance behaviour
- Particularly well suited to WLM Josef S and high-quality tube amplifiers
- Finish optionally available in all RAL colours
WLM Rudi MK2 – The Ella Temperament, Given Greater Scale
According to Wiener Lautsprecher Manufaktur GmbH, the WLM Rudi MK2 was born from a very precise development brief. The aim was to take the infectious, immediate playing style associated with the WLM Ella Series and give it the poise, weight and confidence of a fully grown floorstanding loudspeaker.
That distinction matters. The WLM Rudi MK2 is not merely a larger enclosure with more bass bolted on. It is an attempt to preserve speed, openness and rhythmic vitality while granting the loudspeaker a more substantial foundation. In other words, Wiener Lautsprecher Manufaktur GmbH is aiming for that difficult balance between liveliness and authority: the ability to sound quick on its feet without becoming lightweight, and powerful without turning ponderous.
Visually, the loudspeaker follows a clean, contemporary WLM design language, but the engineering underneath is more individual than the restrained exterior might first suggest. The large front cover may lead some listeners to assume a coaxial driver arrangement, particularly given the homogeneity and dynamic unity Wiener Lautsprecher Manufaktur GmbH associates with the WLM Rudi MK2. In fact, the company is pursuing a different route: one that seeks the coherent behaviour often admired in point-source concepts, while also delivering a far more substantial low-frequency performance than such layouts can usually provide.

Two 8 Inch Bass Drivers with an Unusual Radiation Principle
For the bass foundation of the WLM Rudi MK2, Wiener Lautsprecher Manufaktur GmbH uses two specially developed 8 inch drivers with paper cones. Their positioning allows the bass system to radiate both upwards and downwards, drawing on a principle that the company has already established as a signature element in its larger active loudspeaker concepts.
The intention is not simply to make the WLM Rudi MK2 sound bigger. The architecture is meant to give bass notes physical credibility, definition and natural scale, while keeping them integrated with the rest of the music rather than detached from it. That is where this loudspeaker sets itself apart from conventional coaxial approaches. A classic coaxial design can be wonderfully coherent and spatially convincing, but deep bass extension and physical ease are ultimately governed by physics. The WLM Rudi MK2 addresses that limitation with a dedicated bass arrangement that is meant to bring weight without blurring the musical picture.
Paper Cones Across the Frequency Range
One of the more telling aspects of the WLM Rudi MK2 is the consistency of its chosen diaphragm material. Bass, midrange and treble all employ paper cones, with the high-frequency section handled by a cone tweeter. Wiener Lautsprecher Manufaktur GmbH sees this as a way of securing a more natural tonal relationship between the individual driver sections.
That may sound modest on paper, but in loudspeaker design such decisions are rarely cosmetic. The transition from midrange to treble is often where character, coloration and discontinuity become most apparent. By extending the paper-cone philosophy across the system, Wiener Lautsprecher Manufaktur GmbH is clearly seeking tonal unity rather than contrast between the bands. The WLM Rudi MK2 is therefore not being pitched as a loudspeaker that spotlights bass, midrange or treble as separate attractions. Its purpose is to let music arrive as a whole: rhythmically alert, dynamically capable and tonally connected.
Four Reflex Channels as Part of the Acoustic Architecture
A further technical feature lies within the cabinet itself. The WLM Rudi MK2 uses four individual reflex channels, which Wiener Lautsprecher Manufaktur GmbH says are responsible for the harmonious transition between the individual drivers, each of which is optimised for its own task.
That makes the enclosure more than a box around the drivers. Here, the cabinet is part of the acoustic system, working in concert with the driver layout and bass radiation principle. The result, at least by design, is a loudspeaker that should not merely produce generous low frequencies, but should deliver them in a controlled, organic and musically integrated way. This is very much in keeping with the broader WLM approach: engineering choices are not paraded for their own sake, but used to serve a clearly defined musical behaviour.
High Efficiency and Tube-friendly Behaviour
The WLM Rudi MK2 should be of particular interest to listeners who do not regard raw amplifier power as the only path to musical satisfaction. Wiener Lautsprecher Manufaktur GmbH explicitly points to the high efficiency and benign impedance behaviour of the loudspeaker system.
That makes the WLM Rudi MK2 a natural partner for the WLM Josef S amplifier from Wiener Lautsprecher Manufaktur GmbH, but also a promising candidate for high-quality tube amplifiers more generally. It is not difficult to see the appeal. A loudspeaker that combines lively dynamics, tonal cohesion and amplifier friendliness gives the listener far greater freedom when building a system around finesse rather than brute force. For many HiFi enthusiasts, this may prove to be one of the most attractive aspects of the design.
Individual Finishes in all RAL Colours
Wiener Lautsprecher Manufaktur GmbH has also considered the WLM Rudi MK2 as a physical object within the home, not merely as a technical instrument in the listening room. On request, the loudspeaker can be finished in any RAL colour.
That degree of customisation matters with a floorstanding loudspeaker of clear visual presence. It allows the WLM Rudi MK2 to be adapted to very different interiors and architectural settings, instead of forcing the room to accommodate a fixed industrial finish. This is consistent with the manufacturer’s long-standing emphasis on individual solutions and close alignment with the needs of the customer.
The Key Benefits at a Glance
- Coherent sound with real substance
The WLM Rudi MK2 is designed to combine the seamless impression of a highly integrated loudspeaker with a bass foundation of uncommon scale and confidence. - Dynamics for quiet intimacy and full-scale energy
The loudspeaker is intended to handle subtle musical detail and smaller acoustic gestures just as convincingly as the attack, momentum and force of a live performance. - Paper cones across all driver sections
The consistent use of paper diaphragms is intended to support a natural tonal balance and a strong sense of musical continuity. - Amplifier-friendly design
High efficiency and benign impedance behaviour make the WLM Rudi MK2 especially attractive for high-quality tube amplifiers as well as the WLM Josef S. - Flexible integration into living spaces
With all RAL colours available on request, the WLM Rudi MK2 can be visually tailored to suit a wide range of interiors.
Price and Availability
Wiener Lautsprecher Manufaktur GmbH presented the WLM Rudi MK2 for the first time at HIGH END Vienna 2026. The price is listed at € 14.900,-. The finish can be individually specified on request, with all RAL colours available for the surface design.
Conclusion
With the WLM Rudi MK2, Wiener Lautsprecher Manufaktur GmbH presents a loudspeaker system that resists the easy temptation of superficial effect. Its ambition is more interesting than that: to combine musical verve, tonal cohesion and the authority expected of a proper floorstander. The technical route is deliberately individual, built around two 8 inch bass drivers, paper cones across the frequency range and four reflex channels in the cabinet. On paper, this reads like a loudspeaker for listeners who do not want music dissected under glass, but delivered with life, body and a persuasive sense of physical presence. Should Wiener Lautsprecher Manufaktur GmbH fulfil that promise in practice, the WLM Rudi MK2 could prove especially compelling in carefully assembled systems with fine tube amplification.
| Product | WLM Rudi MK2 |
|---|---|
| Price | € 14.900,- |
Technical Data
| Product | WLM Rudi MK2 |
|---|---|
| Product type | Floorstanding loudspeaker |
| Concept | Three-way bass reflex loudspeaker system |
| Bass | 2 x 8 inch paper cone |
| Midrange | 1 x 6,5 inch paper cone |
| Tweeter | 1 x cone tweeter, paper cone |
| Cabinet | Special construction with four individual reflex channels |
| Bass radiation | Upwards and downwards |
| Finish | Available on request in all RAL colours |
| Height | 112 cm without stand |
| Width | 40 cm |
| Depth | 22 cm |
| Characterisation | Dynamic, homogeneous floorstanding loudspeaker with high amplifier friendliness and pronounced bass foundation |
| Brand | Wiener Lautsprecher Manufaktur GmbH |
|---|---|
| Manufacturer | Wiener Lautsprecher Manufaktur GmbH |
| Distribution | Wiener Lautsprecher Manufaktur GmbH |
| More about this manufacturer at HiFi BLOG |











