OePhi Reference 3.5 Flagship Loudspeakers - The Ultimate Expression of Danish Acoustic Engineering The OePhi Reference 3.5 represents the pinnacle of loudspeaker design from this acclaimed Danish manufacturer, pushing the boundaries of audio reproduction to unprecedented levels. As OePhi's definitive flagship model, these extraordinary floorstanding speakers deliver a sonic experience that transcends conventional high-end audio, revealing layers of musical information with unparalleled clarity, dynamics, and spatial coherence. Key Features Extremely large true ribbon tweeter for effortless high-frequency extension Dual PURIFI woofers in optimised larger enclosures for superior bass dynamics Dedicated PURIFI midrange driver with specialised lighter, faster voice coil Point-to-point wired crossovers with extraordinary low loss (DCR 0.05Ohm) DC-biased capacitors for superior signal integrity Immanence-equivalent internal wiring throughout Large, low-compression bass-reflex system for authoritative low frequencies Reflex-tuned midrange enclosure for maximum dynamic control and expressiveness Double decoupling base system with precision spikes for optimal mechanical isolation WBT pure silver speaker terminals for ultimate signal transfer Uncompromising Audio Engineering The Reference 3.5 embodies OePhi's relentless pursuit of acoustic perfection. Utilising larger cabinets than their standard models, these flagship loudspeakers house dual PURIFI woofers in optimised enclosures that dramatically reduce dynamic compression while extending bass response to a room-filling 25Hz. The heart of the Reference 3.5's extraordinary midrange transparency is a specialised variant of the PURIFI driver featuring a lighter, faster voice coil—achieving remarkably low distortion levels below -70dB, a performance threshold that approaches the theoretical limits of driver technology. Complementing this exceptional driver array is an extremely large true ribbon tweeter—significantly more substantial than those found in OePhi's Immanence range—contributing to the Reference 3.5's increased sensitivity (approximately 4dB higher) and allowing for unprecedented high-frequency extension and transient accuracy. The acoustically optimised design incorporates a simplified yet extraordinarily low-loss crossover network (DCR 0.05Ohm) that achieves perfect time-domain performance, ensuring that every element of the musical signal arrives at the listener's ears with precise temporal alignment. Transcendent Sonic Performance The Reference 3.5 delivers a listening experience that redefines expectations even for seasoned audiophiles. These remarkable loudspeakers reproduce music with breathtaking realism—revealing the full dynamic range from the most delicate microdynamic shadings to explosive orchestral crescendos with equal poise. Bass frequencies extend authoritatively to 25Hz with exceptional articulation and control, while the midrange presentation offers unprecedented transparency that reveals the subtle textures and harmonic structures of voices and acoustic instruments with startling clarity. The extraordinary ribbon tweeter reproduces high frequencies with effortless extension to 40kHz, capturing the delicate overtones and spatial cues that create a convincing sense of acoustic environments. Most impressively, the Reference 3.5 creates a soundstage of remarkable scale and precision, with instruments and vocals positioned with pinpoint accuracy within a three-dimensional acoustic space that extends well beyond the physical boundaries of the speakers themselves. Danish Flagship Craftsmanship Each pair of Reference 3.5 loudspeakers represents the pinnacle of OePhi's design philosophy and Danish craftsmanship. Their striking appearance makes a definitive statement while the meticulous attention to detail is evident in every aspect of their construction. Available in elegant Black Ash, White, Oak, or Walnut finishes, these flagship loudspeakers are built without compromise for discerning audiophiles who demand the absolute pinnacle of audio reproduction, regardless of cost. The Reference 3.5 requires careful positioning to achieve optimal performance, rewarding those who can accommodate their specific placement requirements with a listening experience that transcends conventional high-end audio. For the dedicated music enthusiast who refuses to accept anything less than acoustic perfection, the OePhi Reference 3.5 offers an unparalleled gateway to the full emotional and technical brilliance of recorded music. Technical Specifications Specification Detail Bandwidth 25Hz-40kHz (in room) Sensitivity 94dB (in room) Nominal Impedance 4 ohm Power Handling 500W (music programme material) Dimensions (H×W×D) 112cm × 18.5cm × 55cm (including spikes) Weight 45kg (each) Finishes Available Black Ash, White, Oak, Walnut Warranty 5 years manufacturer warranty The OePhi Reference 3.5 represents the culmination of decades of acoustic research and engineering excellence. These flagship Danish loudspeakers deliver a level of musical insight and emotional connection that must be experienced to be fully appreciated. For listeners who demand nothing less than the absolute pinnacle of audio reproduction, the Reference 3.5 offers an uncompromising pathway to sonic transcendence.
