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• Overview – The Proac Response 3.5 Speakers, released in 1999, are high-end floorstanding loudspeakers featuring a two-way design with extended bass loading, engineered for natural tonal balance and expansive soundstage reproduction.
• Driver & Cabinet Design – Utilizing a soft-dome tweeter and long-throw mid-bass driver with rear-loaded bass system, the Proac Response 3.5 Speakers deliver deep, controlled bass with minimal cabinet coloration.
• Sonic Performance – The Proac Response 3.5 Speakers are known for their rich midrange, smooth treble, and immersive imaging, offering a musical and engaging presentation ideal for both analogue and digital sources.
• Specifications – Two-way floorstanding design, nominal 8-ohm impedance, sensitivity approximately 88 dB, frequency response around 25Hz–30kHz, recommended amplifier power 30–200 watts for optimal performance.
• Dimensions – Each speaker measures approximately 1040 mm (H) × 200 mm (W) × 320 mm (D), providing a slim floorstanding footprint suitable for medium to large listening rooms.
• Weight – Each unit weighs approximately 25–30 kg, reflecting solid cabinet construction and internal damping designed to reduce resonance and improve acoustic stability.
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ProAc stands for Professional Acoustics, a British loudspeaker manufacturer founded in 1979 by Stewart Tyler. The brand emerged from Tyler's earlier venture, Celef Audio, which he established in 1973 to develop compact speakers with extended bass response and refined treble. Based in Borehamwood, Hertfordshire, ProAc was formally launched after Tyler discovered superior drive units manufactured by ATC, which prompted him to establish a dedicated brand for higher-quality designs. The company relocated to a dedicated factory in Brackley in 1990, where production continues today. Despite Tyler's passing in 2021, ProAc remains a family-run operation committed to his original vision.
ProAc specializes exclusively in loudspeakers across multiple categories, from compact standmount designs to larger floor-standing models. The brand is recognized for its signature product lines, including the Tablette, Response, and K-Series ranges. Their standmount speakers, particularly the Response DB1 and its updated DB1R variant, have achieved particular acclaim for delivering performance that belies their compact dimensions. ProAc's design philosophy emphasizes bespoke drivers, high-quality crossovers, and carefully constructed cabinets engineered for natural sound reproduction.
ProAc occupies the premium segment of the hi-fi market, positioning itself as a high-end specialist rather than a mass-market manufacturer. The brand is known for refusing to compromise on quality, with Tyler famously stating that ProAc does not make cheap speakers or cheap sounds. This commitment to excellence at reasonable prices has earned ProAc a devoted following among audiophiles, sound engineers, and music producers worldwide, establishing it as a respected boutique manufacturer with over five decades of heritage in loudspeaker design.
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