Lira 7

Indiana Line Lira 7

The Lira 7 stands for a key component in building a home theater system based on Indiana Line Lira series loudspeakers. It was designed with the clear reproduction of dialogue and the excellent dynamics of film soundtracks in mind, serving as a natural extension of the brand’s lineup. The Lira 7 draws fully upon the Symbiotic Drive design philosophy, guaranteeing tonal consistency across the entire multichannel setup. This is an ideal offering for home theater enthusiasts seeking an engaging presentation, high dynamics, and elegant aesthetics.

Proprietary Symbiotic Drive concept

Like the rest of the lineup, the Lira 7 model was developed drawing on the expertise of Indiana Line acoustic engineers, solutions applied in the brand’s latest designs, and the unique Symbiotic Drive concept. Within this framework, the drivers, cabinet, and crossover network were developed from scratch in a single, holistic design process, creating a coherent electroacoustic system. The construction uses carefully selected materials: woven Curv polypropylene, an aluminum-magnesium (Al-Mg) alloy, bamboo, and MDF boards. The minimalist aesthetic of the loudspeaker’s front baffle is discreetly highlighted by custom trim rings that conceal the midwoofer mountings.

Traditional form, modern execution

The cabinet of the Lira 7 is crafted from MDF and finished with multiple coats of matte lacquer. Internal bamboo bracing and a slightly sloped, 21mm-thick front baffle help minimize unwanted cabinet resonances and achieve time alignment of all drivers relative to the listener, which is crucial for enhancing the realism of the cinematic soundstage. Lira 7 supports the series’ visual identity with its flawless finish and understated technological details. The magnetically attached, acoustically transparent grille gives the loudspeaker the appearance of a stylish, harmonious monolith when in place.

Clear and precise highs

The tweeter in the Lira 7 is a proprietary design featuring a 28mm aluminum-magnesium (Al-Mg) alloy dome. It uses an innovative 3D-Guide waveguide combined with an EQ-Ring phase plug, significantly widening the sweet spot. A hybrid damping chamber sits behind the dome to prevent resonances generated behind the diaphragm. The tweeter is driven by an efficient magnetic motor system with a neodymium magnet. A built-in copper cap ensures thermal stability and reduces signal distortion.

Refined midwoofers

Positioned symmetrically around the tweeter are two 150mm midwoofers handling the midrange and low frequencies, equipped with Curv cones. These are among the most advanced midwoofers of this size available in loudspeakers within a comparable price. They employ die-cast, aerodynamic aluminum baskets and motor structures based on ferrite magnets with triple shorting rings for strict inductance control. The implementation of a second-generation Dual-Wave surround allows for the smooth handling of a wide frequency band while minimizing coloration. This ensures a faithful reproduction of the midrange coupled with punchy, tightly controlled bass.

Optimized crossover

The ideal operating environment for all components is set up by a two-way crossover network built with air-core inductors, polypropylene capacitors, and non-inductive resistors. Its meticulously refined topology effectively mitigates phase shifts between the drivers. Additionally, specialized LC-Traps filters smooth out the high-frequency response. The result of this engineering precision is an expansive and well-organized soundstage that can the illusion of listening to a single, high-end full-range driver.

Home theater realism

The Lira 7 center channel loudspeaker features a precisely tuned bass-reflex system with a rear-firing port. This allows for the proper weighting of the lowest registers through room boundary reinforcement with the rear wall, lending a solid foundation to the sound. The solutions applied ensure that Lira 7 will satisfy even the most demanding home theater enthusiasts. It stands out with exceptional maturity, sonic transparency, and full, precise, and dynamic bass, resulting in the flawless reproduction of cinematic dialogues.