Supravox
380-2000 EXC LC Woofer / 8 Ohms
380-2000 EXC LC Woofer / 8 Ohms
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EXC series
The goal of the EXC series is to maintain the philosophy of SUPRAVOX, historically high-efficiency loudspeakers. With the EXC (Field-coil Loudspeaker) series, from 165 to 380 mm in diameter, the audiophile can satisfy his passion. The Supravox team, still in intense research activity, offers four evolutions of these classic references equipped with a powerful electromagnet.
The moving assembly benefits from our new exponential cone, this one, by the formulation of its paper, offers better damping, a guarantee of clarity and definition, while ensuring, by its profile, greater rigidity offering reduced distortion in the low register.
This brand new loudspeaker is a reference in high fidelity: bandwidth, linearity of response, clarity of sound, dynamic range, thermal and mechanical resistance, very low distortion.


TECHNICAL CHARACTERISTICS
Below are the 2021 parameters, measured using AES2-1984-r2003.
A 12 volts
| Sensitivity (2.83V/1m): | 96 dB |
| Sensitivity (1W/1m): | . |
| Bandwidth : | 30Hz-500KHz |
| Impedance: | 8 Oh |
| Suspension : | |
| Linear excursion: | +/- 7 mm |
| Magnet : | |
| Magnetic field : | |
| Salad bowl: | Aluminum |
| HP diameter: | 388mm |
| Mounting hole distance: | |
| Enclosure drilling diameter: | |
| HP depth: | |
| HP weight: |
| Fs : | 31.0598 Hz |
| Re : | 5.5 Ohms |
| L1 kHz : | 1,1573 mH |
| Qts : | 0,3411 |
| Question: | 0,3642 |
| Qms : | 5,3709 |
| You: | 300.7729 L |
| With : | 17.2857 T.m |
| Mms : | 84.1842 g |
| Sd : | 9.079E-2 m² |
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High-Precision Craftsmanship: Made in France
Each Supravox loudspeaker inherits expertise born in the 1950s. From the iconic 215 RTF 64 to today's innovations, our loudspeakers are entirely hand-assembled in our workshop just outside Paris. A French standard of perfection that defies time to deliver pure musical emotion.
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The Artisan's Touch
At the heart of our factory on the outskirts of Paris, each voice coil is hand-wound with micrometric tension. We use ultra-light supports and high-purity conductors to minimize moving mass. It is this extreme lightness that gives our loudspeakers their legendary responsiveness and their ability to reveal the finest details.
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The Hand and the Spirit
Each loudspeaker is a unique piece, assembled by craftsmen whose expertise has been passed down for decades. The precision of the centering and the tension of the suspensions are adjusted by touch, a sensitivity that no machine can replicate. This artisanal assembly guarantees perfect fluidity of movement and exceptional longevity.
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Exponential Paper Cones
Our cones are made from a proprietary recipe of long-fiber paper, manually processed to achieve an ideal balance of rigidity and damping. The exponential profile, pioneered by Supravox, ensures homogeneous sound diffusion. The result is an organic timbre and strikingly realistic vocal presence.
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Magnetic Alchemy
Beyond the simple magnet, we master energy. In our factory on the outskirts of Paris, we forge Alnico 5 motors and Field Coil systems capable of saturating the air gap with absolute precision. This controlled power offers lightning-fast dynamics and almost zero distortion, hallmarks of Supravox's high sensitivity.
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Signal Purity
Perfection often comes from subtraction. By designing full-range loudspeakers capable of covering most of the spectrum, we eliminate the need for crossover filters. The signal travels directly from your amplifier to the cone, preserving perfect phase coherence and a holographic soundstage of complete transparency.
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Tested for Eternity
Each unit leaving our workshops undergoes a rigorous testing protocol: frequency analysis, impedance measurement, and tactile inspection of the excursion. But the final verdict belongs to the human ear. Each loudspeaker is validated by our technicians, ensuring that your investment will remain an exceptional instrument for decades to come.
Heritage Collection
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KL15 Heritage speaker High Efficiency : 96dB/1w/1m
Regular price €43.000,00 EURRegular priceSale price €43.000,00 EUR