Cessaro Horn Acoustics

Cessaro Horn AcousticsCessaro Horn Acoustics create bespoke horn speaker masterpieces. With exclusive technique, state-of-the-art technology and exceptional workmanship, Cessaro evolve the horn speaker concept to an incredible new level. Aside from their significant design and engineering achievements, these creations simply sound extraordinary.

Cessaro Horn Acoustics was established in 2006 by Ralph Krebs with one goal in mind: To manufacture horn loudspeaker systems which can faithfully reproduce live music in your home. Ralph’s determination to not compromise on any detail in his single-minded quest to build a loudspeaker without tonal limitations took the concept of high-end to such extremes, that many in the world’s audio press have stated that Cessaro products are the definition of high end in its purest form.

It takes extraordinary effort to produce a loudspeaker system designed to provide the best possible musical experience for the audiophile enthusiast in the privacy of one’s home. The manufacturing techniques employ bespoke craftmanship usually reserved for the finest furniture & coach-building cottage industries. Many of the components used in these loudspeakers originate from aerospace and military applications. Most of the compression drive units are specially made for Cessaro and are not used in any other loudspeakers. Their horns are made from a new proprietary composite material, a two-shell fiber construction with a polymer filling, fully sealed with a CNC machined aluminium flange and are extremely heavy. The list of unique and extreme materials & technologies is endless.

Buying a Cessaro Horn Acoustics Loudspeaker system is a lifetime investment and signals a serious commitment to the love of music. The Cessaro modular line (Alpha-Beta-Gamma) allow for an extensive speaker configuration upgrade path. Cessaro engineering and support is extensive, including assistance with installation, positioning, room treatment and sound optimization. It is a life-long relationship to ensure supreme enjoyment of your music system. Just having the opportunity to listen to a Cessaro loudspeaker system is a memorable experience, let alone owning them. From idealists for idealists.

Cessaro Omega 1


An Audiophile’s Dream

When you meet Ralph Krebs, Cessaro’s founder and CEO, the reasons for the company’s success become immediately obvious. Putting aside his immense knowledge and uncompromising approach, he is really interested in his customers and ensuring that their ownership experience is second to none. Ralph regularly accepts invitations to come to Australia from Germany to lead the installation, set-up and optimisation of a client’s new speaker system, then happily visits existing installations to listen & tune their systems. Clients often get to know him personally and he refers to them as ‘family’. It’s not just about making a product and shipping it out the door to a distributor. Ralph stands behind his product and his enthusiasm for achieving great sound is contagious. This human care factor is an intangible, yet very important contributor the Cessaro ownership experience.

Cessaro detailCessaro detail


Due to the fact that Cessaro Horn Acoustic systems have to fulfil the highest acoustic performance demands, they offer a multitude of options for technical (sonic) adjustability. The company embraces the concept of customization and individualisation of its speaker systems, only limited by the ability of the system to reproduce music faithfully. Also, virtually unlimited aesthetic, wood finish and horn colour options exist so that customers can be fully satisfied with their loudspeaker system on every level. The very top of the range Omega Systems are fully customised to the client’s listening space.

Pair Matched DriversCessaro Over 2 Tesla Cobalt Magnet up to 45KHz

Custom Drivers on Request

Cessaro have experimented, tested, modified and listened to a wide spectrum of drivers before choosing the drivers offered in their loudspeakers. In most cases, drivers are custom manufactured to Cessaro’s specifications and are only used in Cessaro models, such is the careful matching of high-performance drive units to the relevant horn systems. In some cases, special custom drivers are also available by special order and can be fitted into Cessaro horn systems.

Cessaro Custom Driver: 42KG GIP FIELD COIL UNITCessaro Custom Driver: 18" BASS GIP FIELD COILCessaro Custom Driver: TWEETER GIP FIELD COILCessaro Custom Driver: FULLRANGE GIP FIELD COIL

Cessaro Electronics

Cessaro Horn loudspeakers are extremely revealing of the quality of the upstream sources and electronics. In fact so revealing, that client’s find that these speakers need to be matched with the finest electronics. One particular client in Europe which had a custom Cessaro Omega II system installed, engaged Cessaro to source the best amplifier for his system. After many trials and auditions of the available high-end amplification options, Cessaro decided that it needed to design an amplification system that would be able to perform at such a high level, that it could drive their speaker systems to their potential.

Cessaro engaged Ypsilon Electronics and both companies collaborated to create a pre-amplifier and power amplifier system that incorporated extreme quality componentry, the highest grade pure silver transformers and a topology that was unparalleled in the market. The Cessaro Air One and Air Two amplification systems are a revolution in ultra-low noise, hum free, short uninhibited signal path design. A perfect match for Cessaro Horn Acoustics loudspeakers.

Cessaro Air One PreampCessaro Air Two

Cessaro Website

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