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 Trenner&Friedl OSIRIS Loudspeakers 


With its petite proportions, Osiris takes up just a limited space in a living room! Placed close to walls, it exudes an elegant and discreet look. ​


​It will never dominate your room! But when music is playing... it will capture you in the blink of an eye! It will touch your heart with its huge soul, a precise, fast and organic sound, and can deliver a big WHAMM!! ​


Osiris hast it all!​



"Listening to 'no woman no cry' by Bob Marley. Live version. I have never heard all the amazing singing in the background. Amazing speakers Peter, honestly I've listened to music for 50 years but never with so much joy. Thanks to you and Andreas, great work!"

Chris Wilson, Hungary



What goes in comes back out…
That it is the inner values that count in the end is an often heard and well-proven adage. Loudspeakers from Trenner & Friedl distinguish themselves not only in their perfectly finished exterior – the exceptional musicality of our products is built from an equally sophisticated and ingenious inner life: 
The musical signal is received by generously proportioned, rhodium-plated pure copper Cardas terminals, then passed along through Cardas inner-cabling. Our crossovers are carefully hand-constructed from the finest elements: 

  • Premium Mundorf capacitors, for long life, faster response and balanced tone,
  • baked-lacquer coils, flat copper coils with extremely low skin-effect, 
  • metal-film resistors for purest reproduction of high-frequencies.

We treat the paper cones of our low-frequency drivers with seven layers of Italian oil varnish, in order to optimize elasticity, damping and stiffness, and reduce cone resonances and distortion. 
Simply stated: only that which you put in comes back out – our loudspeakers



So many HiFi products are designed with an eye towards – good question, really… We so often are confronted with technical-looking monsters that fit into a living room about as well as a production-line assembly robot. 
Most listening rooms in this world are living spaces – spaces in which, “among other things,” we listen to music. We pay attention to this: with their peaceful, modest, yet modern forms, our loudspeakers integrate easily into almost any living room environment. 
Design cannot just be its own sole purpose. It requires a focus. And perhaps our view of HiFi is best compared with a bookcase: stylish, unassuming, yet meaningful, a pleasant part of the room – just that, instead of reaching for something to read, if desired, one can select a piece of music…and, oh, such music!




Previous loudspeakers mostly employ surrounds made of rubber or foam, which over time through the evaporation of softeners and because of UV radiation eventually become porous and crumbly. 
The surrounds of many of our drivers are now made out of fabric. This guarantees high stability, extended consistency, and exceptional longevity.


Many HiFi manufacturers have a problem – they live in a world of listening rooms. Most of us, however, live in living rooms and wish to also hear music there – a conflict that naturally leads to problems. 
We design our products to be “living room friendly,” they are designed such that they may be placed as close as 10 cm (4”) away from the wall. 
And while, because of their radiation characteristics, small or narrow loudspeakers are difficult to integrate into a living space, ours deliver more direct radiation to the listening space via their wide front baffle – therefore, you can enjoy superb music, yet continue “living” in the room as before… actually, in fact, better.



Modesty as Ornament
Ra, Pharoah and Isis can be driven wonderfully with lower-power amplifiers, thanks to their high sensitivities of 91-95 dB – therefore, they are the best choice for use in a tube system. 
Furthermore, our new line presents a very simple impedance curve to the loudspeakers, thus providing a load that is extremely easy to drive, which can give even more modestly-priced amplifiers wings to achieve their highest performance.






The Austrian Walnut is our most beloved veneer. We can offer it in different flavors.
It is carefully selected and matched, the thickness is higher than commonly used for this purpose. The finish is of natural matt. For the ultimate haptic result we sand the surface very finely with maple veneer.
Please hold in mind: Wood is a natural thing and each veneer is unique as a fingerprint.


We can individualize your loudspeakers!
Almost any veneer, colour or finish is possible.
Except exotic woods and other environmentally unsustainable materials. Our ECO veneers are composites of domestic wood.

If you want something special, made just for you, we'll do our best.


Trenner&Friedl OSIRIS Loudspeakers

Special Finish
  • Features
    Floor standing speaker
    Golden ratio proportions
    Multiplex birch wood of different densities
    Multi layered lacquer finish
    Paper cones impregnated with multi-layered finish of Italian oil varnish
    Horn/Reflex bass alignment for ideal room matching
    Finest crossover components by Mundorf
    Coaxial loudspeaker principle; point source, smooth phase and perfect step response
    Cardas Audio internal wire, also constructed in golden ratio proportions
    Cardas Audio Patented Binding Posts
    Can be placed close to walls and corners

    Drive Units
    1 x 6.5” Paper cone, coated with oil laquer
    1 x 1” Horn loaded coaxial compression driver with titanium diaphragm

    Frequency response
    38 Hz (f-6 DB) to 30 kHz (f-3 DB)

    88.7 dB (2.83V/1m)

    8 Ohm

    Height: 850 mm
    Width: 360 mm
    Depth: 370 mm
    Weight 25 kg

    Finishes Body
    Walnut nature
    Walnut amaranth
    Walnut blazed
    Others on request

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