I25 – modular integrated amplifier

• Rogers LS3/5A Overview – The Rogers LS3/5A, originally released in the mid-1970s for BBC broadcast use, is a legendary compact monitor known for its natural midrange, superb vocal clarity, and unmatched nearfield accuracy.

• BBC-Engineered Midrange Purity – Designed to reproduce speech and acoustic instruments with lifelike realism, the LS3/5A delivers exceptional tonal accuracy, refined articulation, and precise imaging unmatched by modern small monitors.

• Controlled and Coherent Presentation – The Rogers LS3/5A offers a warm, balanced character with smooth treble and tightly controlled bass, making it ideal for small to medium rooms and critical close-range listening.

• Classic Build and Legacy Craftsmanship – Featuring KEF T27 tweeters, B110 midbass drivers, and complex 13-element crossovers, each LS3/5A is hand-built to exact BBC specifications for consistent, reference-grade performance.

• Dimensions – Approx. 305 mm (H) × 190 mm (W) × 165 mm (D), maintaining the compact, sealed-box form factor ideal for accurate desktop or stand-mount placement.

• Weight – Around 4.9–5.3 kg per speaker depending on production era, contributing to cabinet rigidity and reduced resonance for cleaner midrange reproduction.

• Loudspeaker Overview – The Rogers Studio 1A, released in the mid-1980s, is a classic British 2-way monitor known for its natural midrange, balanced neutrality, and accurate studio-inspired performance suitable for both audiophile and professional use.

• BBC-Style Tuning – Designed with Rogers’ broadcast heritage, the Studio 1A offers excellent vocal articulation, smooth treble behavior, and cohesive imaging, preserving the musicality and tonal realism associated with the BBC school of loudspeaker design.

• Controlled Bass Performance – Using a well-damped cabinet and precision-matched bass driver, the Rogers Studio 1A provides tight, articulate low frequencies that integrate cleanly into small and medium-sized rooms without excessive boominess.

• High-Quality Construction – With rigid cabinet walls, refined crossover components, and careful driver matching, the Studio 1A delivers long-term reliability and consistent performance, reflecting the meticulous engineering of classic Rogers loudspeakers.

• Dimensions – Approx. 560 mm (H) × 275 mm (W) × 305 mm (D). A compact monitor design optimized for stand-mount use to achieve proper bass balance and imaging height.

• Weight – Approx. 12–14 kg per speaker, offering solid mass for cabinet stability and reduced resonance, supporting accurate midrange and cleaner transients.

• Overview – The Yamaha NS-1000M, introduced in 1974, is a legendary studio monitor famed for its beryllium dome midrange and tweeter, delivering exceptional transparency, transient accuracy, and reference-level neutrality for critical listening.

• Beryllium Drivers – Featuring Yamaha’s iconic 3 cm beryllium tweeter and 8.8 cm beryllium midrange, the NS-1000M provides ultra-fast response, superb micro-detail, and minimal coloration—qualities that made it a worldwide studio standard.

• Controlled Bass Performance – Equipped with a 30 cm woofer in a rigid sealed enclosure, the NS-1000M achieves tight, articulate bass with excellent timing, ideal for both analytical and musical listening environments.

• Precision Monitor Heritage – The Yamaha NS-1000M remains sought after for its highly accurate soundstage, exceptional build quality, and ability to reveal upstream component changes with absolute clarity and honesty.

• Dimensions – Each speaker measures approximately 395 mm (W) × 675 mm (H) × 326 mm (D), offering a substantial enclosure optimized for neutrality and controlled resonance.

• Weight – Each cabinet weighs around 31 kg, contributing to its stable acoustic behavior and resistance to unwanted vibrations in demanding monitoring setups.