Source: Press Release, Last Accessed: 2023/08/31

Quad, the distinguished British audio brand, is launching their first new speakers since 2016. The Revela 1 and Revela 2 harness highly evolved versions of classic Quad technologies that can be traced back to 1949 and Quad’s first speaker system, the Corner Ribbon.
The Revela 1 is a standmount speaker with a two-way driver configuration, while the Revela 2 is a three-way floorstander. Both models are available in luxuriously lacquered black or walnut finish options, the latter featuring a striking combination of wood veneer interlinked with piano black.
A critical component of both Revela models is the new Quad True Ribbon high-frequency driver. With its origin stretching back more than 70 years, Quad's ribbon driver has evolved over many product generations. This new version took four years to develop and is unquestionably the finest iteration yet, the company says.
The Revela’s True Ribbon driver works by positioning a ribbon of thin aluminum foil in a high- strength magnetic field, through which the audio signal flows. The advantage of this is that the diaphragm is fully energized by the audio signal and does not suffer from the breakup modes and resonances encountered in domes and other planar types,the company says. Quad’s original ribbon treble unit, as used in the innovative Corner Ribbon speaker of the 1950s, was relatively fragile, only handling up to 15W of power. The latest pure ribbon has a reinforced, sandwich diaphragm, capable of handling the demands of modern music and the higher power output of contemporary solid-state amplifiers.
Quad’s engineers have developed a new material for the Revela speakers’ mid/bass diaphragms – a unique formulation of wood pulp and artificial fibers named "Reveal" which is further damped and strengthened, providing superior bass control and smoothing upper midrange resonances. The Revela 1 features a single 165mm mid/bass driver, whereas the Revela 2 dedicates two 165mm drivers to bass frequencies with a 150mm unit handling the midrange. The drivers' output is combined via an acoustic Butterworth crossover network, fine-tuned over hundreds of hours of listening tests. Around the back, bass reflex ports (the Revela 1 has one, the Revela 2 has two) include longitudinal splines that help smooth airflow and increase the efficiency of the reflex system for deep, powerful bass performance.
Internal damping is formed from a mixture of acoustic foam and long-hair fiber, strategically placed to absorb internal reflections and standing waves, without obstructing the action of the bass reflex ports. In Revela 2, the midrange unit is housed in its own chamber with foam and long-hair fiber damping arranged to optimize its bandwidth. The Revela 2 come with a pair of carbon steel plinths, stainless-steel spikes and spike seats.

For more information: https://www.quad-hifi.co.uk/

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