Description
The Sopra N°1 is a high-end bookshelf speaker from Focal, designed for compact integration into a living room while aiming for performance close to the Utopia III line, the brand's most accomplished reference. It is intended for demanding stereo listening, paired with quality electronics.
The woofer-midrange benefits from a TMD suspension and an NIC magnetic circuit, while the tweeter relies on an IHL horn loading. These three technologies, inherited from Sopra developments, contribute to a reduced distortion level that promotes precise definition and extended spatialisation across the entire spectrum, including in the bass register.
The cabinet is manufactured in France, at the Focal cabinet-making facility in Bourbon-Lancy, using methods similar to those employed for Utopia. The front baffle, known as Gamma Structure, is machined from solid material out of an assembly of MDF panels 69 mm thick, providing the inertia needed for a stable mechanical reference. The absence of parallel walls in the lateral direction and the addition of Helmholtz resonators in the lower section limit internal standing waves. The glass base ensures high propagation-speed coupling to the floor via the spikes, reducing halo effect in the bass.
The design, entrusted to the Pineau & Le Porcher agency, is built around an intermediate injected polyurethane piece that allows the upper and lower cabinets to be tilted according to the Focus Time principle, acoustically converging the drive units towards the listening point. The lacquered or satin wood finishes suit refined interiors, without the aesthetics taking precedence over the acoustics.
This speaker suits an enthusiast seeking detailed stereo listening in a bookshelf format, with the option of adding the dedicated Sopra Stand floor stands for optimal positioning.
Technical specifications
| Frequency response | 45 Hz to 40 kHz |
| Response at 6 dB | 41 Hz |
| Sensitivity | 89 dB at 1 kHz |
| Nominal impedance | 8 ohms |
| Minimum impedance | 3.9 ohms |
| Power handling | 150 W |
| Dimensions (W x H x D) | 279 x 425 x 396 mm |
| Weight | 19 kg |
What to check before buying used
When buying used, it is worth checking the condition of the woofer-midrange suspensions, which can stiffen or crack over time, as well as the integrity of the tweeter's IHL horn loading, which is sensitive to impacts. The lacquered or satin wood finish of the Gamma Structure front baffle also deserves close inspection, as does the condition of the glass base and the floor-coupling spikes, parts that can be scratched or chipped during transport.
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