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Your privacy is important to us

MBL Akustikgeräte uses certain cookies and similar technologies (collectively "cookies") to provide our services to you reliably and securely. These cookies are set by default when you visit our websites and do not require consent. With your consent, we and our partners use additional cookies to improve the performance of our websites, to provide you with a personalised browsing experience and to provide interesting content and advertising on the internet. To do this, we collect information about your devices, your usage patterns on our website and your interaction with our advertisements. By selecting "Accept", you consent to our use of additional cookies and agree that we may share the information collected with our partners, some of which may be located outside the EU, for example in the USA. The US is a country that does not provide an adequate level of protection for personal data - as defined by the EU Regulation 2016/679 ("GDPR"). You can revoke or adjust your consent at any time by accessing the "Privacy settings" page.

The lineage is clear.

The lineage is clear.

MBL 111 F

Radialstrahler Loudspeaker

MBL 111 F

Radialstrahler Loudspeaker

Radialstrahler Loudspeaker MBL 111 F

MBL’s eye-catching speakers share more than avant-garde design. Every one of our handcrafted transducers uses MBL’s exclusive omnidirectional tweeter and midrange drivers. These pulsating, spherical membranes are composed of the same exotic carbon-fiber material found in our Flagship 101 X-Treme and the iconic 101 E MKII.

The four-way MBL 111 F low-mid is handled by a pair of 5.5” aluminum cone drivers mounted in a push-push configuration on either side of the decoupled cabinet. Housed in a sealed 14 L enclosure, the proprietary internals deliver a tight, well-controlled low-mid that cleanly blends into a unique, three-dimensional soundscape. A pair of matched 8” aluminum cone woofers share a reinforced 58 L bass reflex enclosure, capable of mining the lowest of frequencies. The acoustic outcome? Whether it’s Wagner or Jagger, the MBL 111 F effortlessly conveys a complete aural experience with unsurpassed precision and authority.

 


Price per pair: € 43 800

piano black/gold

piano black/chrome

piano white/gold

piano white/chrome

* custom colors available

Mids and Highs

Tweeters and midrange drivers are the heart of every loudspeaker. Without the critical frequencies they produce, it’s almost impossible to capture the emotional nuances of voices and instruments. This frequency range covers most of the vocal spectrum while allowing listeners to pinpoint the location of players or instruments within the original recording space.

Refined to perfection over the past 40 years, MBL's Radialstrahler technology enables full 360-degree distribution of sound waves to fill entire rooms with concert-hall majesty, creating a truly immersive spatial experience. And this holds true for all listeners, not just one or two individuals located in the sought-after sweet spot or sound apex of two conventional loudspeakers.

MBL’s technology also bests the geometric design challenges of most living rooms, where multi-angled reflective surfaces and protuberances cause reverberation, making it difficult to reproduce lifelike music. Our one-of-a-kind Radialstrahler technology, used in all tweeters and midrange drivers throughout our speaker lineup, smoothly overcomes edges, angles and reflective planes for the ultimate listening enjoyment.


More about MBL's loudspeaker technology

Dedicated Woofer Enclosure

In the 111 F, two 8-inch (20 cm) twin layered aluminium-sandwich woofer drivers are housed in a separate 58-litre cabinet decoupled from the mid-woofer / radial driver enclosure. They are positioned on the sides in a push - push configuration, with a massive aluminum rod between the driver baskets to firmly brace them. This 180-degree sub-bass radiation pattern from both sides of the cabinet seamlessly dovetails with the output from the Radialstrahler omnidirectional drivers housed in the upper enclosure.  Music in flight!

Chassis strength: the push-push arrangement

Loudspeakers are complicated devices, with lightning-fast internal actions that occur in rapid succession. The membrane is fired back and forth in time with the music signal, and the recoil hits the housing. The larger the chassis, the heavier the membrane and the more powerful the magnet and voice coil, the harder the shock. With such active internal movements, speaker housings tend to produce undesirable vibrations, and can delay and weaken the sound signal if they give in to the recoil.

The housing-less Radialstrahler transducers are not affected by these challenges of movement, especially since their sound impulses are evenly distributed in all directions. Even the cone chassis in MBL loudspeakers conquer the forces that impact faithful sound reproduction. They are only installed in pairs, and are located on the left and right sides of the housing. The two rear sides of the chassis are connected with a massive aluminum strut. The respective membranes oscillate in and out in unison, and the recoil forces cancel each other out. Through clever engineering, the speaker housing is spared mechanical vibrations and shocks, producing sound that is controlled, tight and refined.

The 111 F at a glance

  • 4-way speaker, bass reflex
  • Advanced MBL HT37 tweeter and MT50 midrange driver built with proprietary radial emitter technology
  • Suitable for all room sizes, optimal for rooms up to approx. 60 m2
  • Long-throw aluminum chassis with smooth-running surrounds and aerodynamic basket deters compression effects
  • Woofer and low-midrange chassis in push-push arrangement connected with solid aluminum struts
  • Crossover with passive high-pass filter and 2-pole subsonic filter
  • Choice of customizable finishes

Technical Specifications

System 4 way, bass reflex system
Acoustic center 107 cm, 42''
Woofer 2 x 220 mm, 8'' Aluminium (push-push layout)
Low midrange 2 x 150 mm, 5'' Aluminium (push-push layout)
Midrange Radial MT50, woven carbon fiber
Tweeter Radial HT37, unidirectional carbon fiber
Lowest frequency 38 Hz
Crossover frequencies 170 Hz, 650 Hz, 3 500 Hz
Nominal impedanz 4 Ohm
Nominal power handling / Peak 340 Watt / 2 200 Watt
Weight (single speaker) 64.5 kg / 142 lbs
MBL Alt -1
MBL Alt -2 MBL Alt -3

Recommended System Components

 

Well-balanced complete systems

Reference Line
Noble Line
Cadenza Line