Trenner & friedl Isis. Floor standing speaker.
Trenner & friedl Isis. Floor standing speaker.
Trenner & friedl Isis. Floor standing speaker.
Trenner & friedl Isis. Floor standing speaker.
Trenner & friedl Isis. Floor standing speaker.
Trenner & friedl Isis. Floor standing speaker.
Trenner & friedl Isis. Floor standing speaker.
Trenner & friedl Isis. Floor standing speaker.
Trenner & friedl Isis. Floor standing speaker.
Trenner & friedl Isis. Floor standing speaker.

TRENNER & FRIEDL Ra

Coaxial floor-standing loudspeaker.

Transducers:

1 x 12’ paper woofer with balsamic lacquer treatment.

1 x 1.75’ horn-loaded compression tweeter, titanium TiN diaphragm

Frequency response: 40 Hz (-6 dB) to 40 kHz (-3 dB)

Sensitivity: 95 dB (2.83 V / 1 m)

Impedance: 8 ohms

Placement: Suitable for placement near walls and corners

Pair price.

Colour
€19,900.00

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Delivery time in 4 weeks

Custom Installation Info

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Bank Transfer (3% OFF)

If you make the payment via bank transfer, you will receive an extra 3% discount on your order.

Individual Consultancy

Contact us without any obligation.

957460112
info@audiohum.com

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Trenner & Friedl Ra. Sonic Purity in Elegant Form

The Ra loudspeaker by Trenner & Friedl represents the seamless harmony between artisan craftsmanship, advanced acoustic engineering, and a deep reverence for music. With its coaxial design, premium materials, and signature Austrian refinement, Ra transforms any room into a stage, delivering lifelike energy, detail, and intimacy.

Crafted Like an Instrument

Each enclosure is built from multi-layer birch plywood, expertly engineered to control resonance and maximize sonic projection. The base is crafted from solid beechwood, ensuring structural stability and seamless integration into any living environment.

The external finish is composed of seven coats of high-quality lacquer, while the paper woofer cones are treated with six layers of Italian balsamic oil lacquer, enhancing both mechanical performance and tonal character.

True Point-Source Coherence

At the heart of Ra is a coaxial configuration—a 1.75" compression tweeter with a titanium diaphragm coated in titanium nitride (TiN) sits concentrically within a 12" paper-cone woofer. This alignment ensures perfect phase coherence, precise imaging, and an incredibly natural, unified soundstage.

The tweeter is loaded into a precision-machined horn, extending high-frequency response with remarkable airiness and detail. The crossover network is entirely audiophile-grade, featuring Mundorf oil/silver capacitors, aluminum foil inductors, and MOX resistors. Internal wiring and terminals are from Cardas Audio, designed according to golden ratio principles and made from pure copper for optimal conductivity and tonal neutrality.

Technical specifications

Design: Coaxial floorstanding loudspeaker

Drivers:

1 × 12" paper-cone woofer (oil-lacquered)

1 × 1.75" compression tweeter with TiN-coated titanium diaphragm

Frequency Response: 40 Hz (–6 dB) to 40 kHz (–3 dB)

Sensitivity: 95 dB (2.83 V / 1 m)

Nominal Impedance: 8 ohms

Room Placement: Flexible — optimized for use near walls and corners

Dimensions (H × W × D): 1200 × 500 × 350 mm

Weight: 42 kg per speaker

The Loudspeaker That Disappears… Leaving Only the Music

The Trenner & Friedl Ra isn’t merely a speaker—it’s a gateway to musical emotion. Its natural dynamics, tonal cohesion, and ability to “vanish” within the soundstage allow listeners to focus entirely on the music. Whether in a dedicated listening room or a refined living space, Ra is for those who seek unfiltered musical truth with elegance and soul.

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