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Apogee Stage Speakers
• Product Overview – The Apogee Stage Speakers, released circa 1990, are full-range planar ribbon loudspeakers designed for high-resolution, low-distortion playback, delivering the open, fast transient response Apogee is renowned for.
• Ribbon Loudspeaker Performance – Featuring true ribbon midrange and tweeter elements, these speakers deliver lightning-fast transients, exceptional clarity, and expansive soundstaging that rewards high-quality amplification and careful system matching.
• Design & Sonic Character – The Apogee Stage Speakers use a dipole radiation pattern with large ribbon surfaces, producing natural tonal balance, deep image layering, and lifelike vocal reproduction unmatched by conventional dynamic driver designs.
• Specifications – Nominal impedance is approximately 3–4 ohms with sensitivity around 86 dB, requiring high-current amplifiers capable of stable low-impedance drive to unlock their full dynamic and tonal potential.
• Dimensions – Each speaker measures approximately 1220 mm (H) × 560 mm (W) × 60 mm (D), with a slim vertical profile that still demands adequate floor space and thoughtful room placement.
• Weight – Each speaker weighs roughly 32 kg, reflecting the substantial ribbon assemblies, rigid frame construction, and damping required for mechanical stability and accurate ribbon driver operation.
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NBS Omega IV Speaker Cable (2.8m)
• Product Overview – NBS Omega IV Speaker Cable, released in the early 2010s, is a flagship reference speaker cable designed to maximize signal purity, dynamic realism, and tonal density in ultra-high-end audio systems.
• Conductor & Dielectric Design – Utilizing NBS’s proprietary rectangular solid-core conductors and advanced dielectric materials, the cable minimizes skin effect, phase distortion, and energy storage for superior coherence and musical flow.
• Sonic Performance – NBS Omega IV Speaker Cable delivers exceptional soundstage scale, explosive dynamics, and profound low-frequency authority while preserving microdetail, harmonic richness, and natural timbre across complex recordings.
• Specifications – Ultra-low resistance and inductance geometry, heavy-gauge multi-conductor architecture, high-current capability, and precision-terminated spades or bananas optimized for reference amplifiers and full-range loudspeakers.
• Dimensions – Available in various custom lengths, typically supplied in 2.0–3.0 meter stereo pairs, with substantial cable diameter reflecting its complex internal conductor and shielding structure.
• Weight – Approximately 4–5 kg per stereo pair depending on length, indicating massive conductor mass, dense dielectric layering, and mechanically damped outer jackets.
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Quad 303 Power Amplifier and Quad 33 Preamplifier
Iconic Stereo Amplifier System – The Quad 303 and Quad 33 form a legendary solid-state power amplifier and control unit pairing. The Quad 303 is a classic, reliable power amplifier designed to deliver the famous Quad sound with authority and precision.
The Renowned “Quad Sound” – Experience the unique, fatigue-free musicality that made this system famous. Characterized by its exceptional clarity, natural tonal balance, and effortless delivery, it provides a listening experience that is both engaging and timeless.
Fully Serviced and Authentic – This matched pair has been professionally serviced to original factory specifications, ensuring optimal performance and reliability. You receive the authentic, iconic experience as intended by Quad’s pioneering engineers.
Versatile Control Unit – The Quad 33 preamplifier features comprehensive inputs, including a high-quality moving magnet phono stage for your turntable. Its flexible filtering and tone controls allow you to tailor the sound perfectly to your room and taste.
Classic Compact Dimensions – The Quad 303 power amplifier measures a compact 267mm wide, 133mm high, and 206mm deep. The matching Quad 33 control unit shares a similar elegant, minimalist footprint designed for a refined hi-fi rack setup.
Substantial Build Quality – The robustly built Quad 303 amplifier weighs 8.2 kg (18.1 lbs), reflecting its high-quality internal components and chassis. The Quad 33 control unit adds a further 3.4 kg (7.5 lbs), denoting its solid construction.
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Zu Tone
• Zu Tone Overview – The Zu Tone, introduced in the mid-2000s, is a high-efficiency, full-range loudspeaker using Zu’s proprietary wideband driver to deliver exceptional immediacy, dynamic contrast, and a live-music presentation from a compact design.
• High-Efficiency Full-Range Design – Featuring a 10-inch wideband driver, the Zu Tone offers outstanding coherence, fast transient response, and minimal crossover distortion, producing seamless mids and extended highs with remarkable clarity.
• Superior Dynamic Performance – The Zu Tone thrives with both low-powered tube amplifiers and high-quality solid-state units, delivering punchy bass, expressive vocals, and room-filling energy that maintains tonal density at all volumes.
• Rigid Cabinet & Acoustic Tuning – Built with dense enclosures and expertly tuned internals, the Zu Tone reduces resonances and enhances acoustic efficiency, producing a sound that is bold, articulate, and highly engaging.
• Dimensions – Approx. 800 mm (H) × 300 mm (W) × 260 mm (D), designed to fit comfortably in medium-sized rooms while offering flexible placement options for optimal imaging.
• Weight – Roughly 20–22 kg per speaker, providing a stable foundation that improves bass definition and minimizes unwanted cabinet movement.
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Quad Elite Pre & QSP Power Amplifier
• Pre & Power Synergy – The Quad Elite Pre & QSP Power Amplifier system, released in 2011, delivers refined Class AB solid-state amplification with Quad’s hallmark neutrality, smoothness, and precise musical articulation across all genres.
• Elite Pre Transparency – The Elite Pre offers exceptionally low noise, wide bandwidth, and high input flexibility, ensuring clean signal handling and seamless integration with both analog and digital source components in modern hi-fi setups.
• QSP Current Dumping Power – The QSP features Quad’s updated Current Dumping topology, providing stable high current, excellent load tolerance, and natural, low-distortion dynamics, making it ideal for both bookshelf and floorstanding speakers.
• Musical Refinement – Together, the Quad Elite Pre & QSP Power Amplifier deliver holographic imaging, smooth midrange texture, and fast, controlled bass, offering a compelling upgrade path for audiophiles seeking classic Quad musicality.
• Dimensions – Elite Pre: approx. 321 × 70 × 310 mm. QSP: approx. 321 × 140 × 310 mm. Compact, rack-friendly sizing ensures simple placement in modern audio systems.
• Weight – Elite Pre around 5 kg; QSP approx. 11 kg. The solid chassis and robust transformer design enhance mechanical damping and improve long-term performance stability.
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Quad 22L
• Quad 22L – A refined floorstanding loudspeaker known for its smooth tonal balance, articulate midrange, and engaging musicality, designed to deliver a natural, non-fatiguing presentation across diverse listening rooms.
• Dual-Driver Precision – Utilises a dedicated soft-dome tweeter and twin Kevlar mid/bass drivers, providing excellent clarity, controlled dispersion, and enhanced coherence for both vocal accuracy and full-range musical reproduction.
• Room-Friendly Design – Rear-ported enclosure enables flexible placement while maintaining solid low-frequency extension and rhythmic control, making it suitable for medium to large listening environments.
• Timeless Build Quality – High-quality cabinet construction with beautifully lacquered finishes offers reduced resonance, strong structural rigidity, and an elegant aesthetic aligned with Quad’s British engineering philosophy.
• Dimensions – Stands approximately 872 mm (H) × 203 mm (W) × 280 mm (D), optimised for stable floor placement and proper driver height relative to seated listening position.
• Weight – Each speaker weighs around 18 kg, providing the necessary mass for reduced cabinet vibrations and improved acoustic performance.
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Quad Elite Pre and QSP Amplifier
• Quad Elite Pre and QSP Amplifier – This solid-state Class AB pre–power combination delivers Quad’s signature natural clarity, refined musicality, and stable current delivery, offering an exceptional upgrade path for serious two-channel listeners.
• Precision Preamp Architecture – The Quad Elite Pre features low-noise gain stages, high-quality input switching, and tone-defeat options, ensuring clean signal handling and excellent transparency while maintaining Quad’s smooth, balanced sonic signature.
• High-Current Power Delivery – The QSP power amplifier provides 140W into 8Ω with Quad’s patented “Current Dumping” technology, offering exceptional grip, low distortion, and robust dynamics across demanding loudspeaker loads.
• System Synergy & Control – Together, the Quad Elite Pre and QSP Amplifier create a cohesive, full-bodied presentation with deep imaging, stable soundstaging, and reliable operation, ideal for music lovers seeking performance and long-term stability.
• Dimensions – Elite Pre: approx. 321 mm (W) × 310 mm (D) × 70 mm (H).
QSP: approx. 321 mm (W) × 310 mm (D) × 140 mm. Compact footprint for easy rack placement.
• Weight – Elite Pre approx. 4.5 kg; QSP approx. 12 kg. Solid chassis design minimizes vibration, enhancing component longevity and maintaining consistent audio performance.
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