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Stello Ai500 Integrated Amplifier
• High-End Integration – The Stello Ai500 Integrated Amplifier is a solid-state Class AB design released around 2010, featuring a built-in DAC and delivering powerful, transparent amplification suited for high-resolution systems.
• Refined DAC Section – Incorporating a high-quality 24/192 DAC, the Ai500 processes digital sources with exceptional clarity, low jitter, and improved transparency, offering a clean, detailed presentation across all music genres.
• Robust Amplification – The Stello Ai500 delivers authoritative current output and dynamic control, allowing it to drive a wide range of speakers while maintaining tonal accuracy, stability, and rhythmic precision.
• Audiophile Build Quality – Its thick aluminum chassis, vibration-resistant structure, and premium internal components enhance signal purity and ensure long-term reliability, making it an excellent centerpiece for modern listening rooms.
• Dimensions – Approx. 430 mm (W) × 100 mm (H) × 330 mm (D), providing a compact yet substantial footprint compatible with standard high-end audio racks.
• Weight – Around 12–14 kg due to its solid aluminum enclosure and high-quality transformer, contributing to improved damping and mechanical stability.
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Luxman L-509X
• Flagship Integrated Design – The Luxman L-509X is a Class AB solid-state integrated amplifier with premium preamp, DAC-ready connectivity options, and precision volume control, delivering exceptional transparency and musical refinement.
• Advanced Circuit Topology – Featuring Luxman’s ODNF 4.0 technology and robust current delivery, the Luxman L-509X ensures low distortion, improved microdynamics, and authoritative grip over demanding loudspeakers.
• Premium Build Quality – Luxman L-509X showcases meticulous Japanese craftsmanship, including a reinforced chassis, precision meters, and optimized internal layout for noise reduction and long-term performance stability.
• Versatile System Integration – With high-grade line inputs, phono stage, and flexible system configuration, the amplifier accommodates both analog sources and modern setups while maintaining the signature Luxman sonic warmth.
• Dimensions – Luxman L-509X Measures approximately 440 mm (W) × 193 mm (H) × 463 mm (D), fitting comfortably into high-end audio racks while allowing proper ventilation.
• Weight – Weighs about 29.3 kg, reflecting its substantial power supply, robust transformers, and vibration-controlled chassis structure designed for maximum sonic purity.
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YBA Integre Alpha Integrated Amplifier
• YBA Integre Alpha Integrated Amplifier Overview – The YBA Integre Alpha Integrated Amplifier, launched in the mid-1990s, is a Class AB solid-state design featuring high-quality analog inputs and YBA’s signature minimal-feedback topology for purity and musical realism.
• Refined French Engineering – The YBA Integre Alpha delivers exceptional tonal accuracy, wide soundstage depth, and a smooth, grain-free presentation, making it ideal for resolving speakers that benefit from organic musical flow and control.
• Musical Drive and Dynamics – With its robust power supply and precisely voiced circuitry, the YBA Integre Alpha offers fast transient response, excellent micro-detail retrieval, and stable current delivery for rhythmic, engaging playback.
• Low-Noise Analog Performance – The YBA Integre Alpha emphasizes ultra-low distortion and clean power delivery, ensuring black backgrounds, natural harmonic structure, and impressive dynamic contrast across both digital and analog sources.
• Dimensions – Approx. 430 mm (W) × 85 mm (H) × 300 mm (D), fitting easily into standard hi-fi racks while maintaining optimal ventilation for stable long-term performance.
• Weight – Roughly 10–12 kg, featuring a high-grade transformer and rigid chassis that help suppress vibration and enhance signal purity.
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Naim Audio SuperUniti
• Streaming Amplifier Overview – The Naim Audio SuperUniti, launched in 2011, is a solid-state Class AB integrated streamer-amplifier with a built-in DAC, offering a powerful all-in-one solution combining Naim’s musicality, streaming capability, and system simplicity.
• High-Resolution Streaming Engine – The SuperUniti supports UPnP, internet radio, Spotify Connect, and high-resolution PCM playback, delivering detailed, rhythmically engaging sound with the signature pace and timing Naim is known for.
• Powerful Integrated Amplification – With a robust 80W-per-channel Class AB amplifier, the Naim Audio SuperUniti drives a wide range of loudspeakers confidently, offering excellent dynamics, low noise, and authoritative control across all frequencies.
• Premium DAC Architecture – Using a 24-bit/192kHz-capable Burr-Brown DAC implementation, the SuperUniti achieves refined digital performance with excellent clarity, smooth treble, and stable imaging, making it an ideal digital hub for modern systems.
• Dimensions – Approx. 432 mm (W) × 87 mm (H) × 314 mm (D). Compact Naim enclosure ensures easy rack placement while maintaining proper thermal airflow.
• Weight – Approx. 13 kg, providing a solid mechanical platform that reduces resonance and supports stable amplifier and DAC operation for long-term reliability.
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Roksan Blak Integrated Amplifier
• Overview – The Roksan Blak Integrated Amplifier, released in 2016, is a powerful Class AB solid-state design featuring an onboard high-performance DAC, delivering dynamic, controlled, and musically engaging playback for modern high-resolution systems.
• High-Current Amplification – The Roksan Blak Integrated Amplifier offers wide bandwidth and strong current delivery, ensuring excellent grip, transient precision, and rhythmic drive with demanding loudspeakers while maintaining smooth tonal balance.
• Versatile Digital Capability – With USB-B, optical, and coaxial digital inputs, the Roksan Blak supports high-resolution PCM playback, enabling system simplification by serving as both amplifier and DAC in one refined chassis.
• Premium Analog Performance – A robust linear power supply, refined preamp stage, and short signal paths provide excellent low noise, transparency, and imaging, ensuring the Roksan Blak Integrated Amplifier performs consistently across varied musical genres.
• Dimensions – Approx. 432 mm (W) × 80 mm (H) × 330 mm (D), offering a substantial but manageable footprint suitable for standard hi-fi racks or shelves.
• Weight – Approx. 14 kg, providing solid mechanical stability that reduces resonance and supports the amplifier’s high-current power architecture.
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Linn Majik DS-i
• Integrated Streaming Amplifier – The Linn Majik DS-i is a Class D solid-state integrated amplifier with a built-in network streamer, delivering clean, efficient power and rich musical performance through Linn’s renowned DS streaming platform.
• Klimax-Inspired Digital Architecture – The Linn Majik DS-i incorporates advanced DAC circuitry and low-jitter clocking, offering detailed, pitch-accurate playback and excellent timing precision across high-resolution network-streamed music.
• Versatile System Connectivity – With Ethernet streaming, analogue inputs, and pre-outs, the Linn Majik DS-i integrates seamlessly with Linn systems and third-party components, providing flexible expansion and reliable everyday usability.
• Room-Optimised Performance – Compatible with Linn’s Space Optimisation, the Linn Majik DS-i adapts playback to your room’s acoustics, improving bass control, imaging, and overall musical coherence without requiring physical speaker changes.
• Dimensions – Approx. 381 mm (W) × 355 mm (D) × 80 mm (H). Compact chassis designed for discreet placement in modern hi-fi racks and living spaces.
• Weight – Approximately 4.5 kg, offering a lightweight yet rigid construction that supports low-noise operation and stable amplifier performance.
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Naim Audio XS3
• Integrated Amplifier Overview – The Naim Audio XS3 is a Class A/B solid-state integrated amplifier with a built-in MM phono stage, delivering exceptional clarity, timing precision, and musical drive for high-performance stereo systems.
• Refined Naim Circuitry – The Naim Audio XS3 features upgraded gain architecture and discrete transistor stages, providing improved dynamic swing, lower noise floor, and enhanced microdetail while retaining Naim’s signature rhythmic energy.
• Versatile System Integration – With multiple analogue inputs and a high-quality phono module, the Naim Audio XS3 supports turntables and advanced sources, ensuring seamless expansion and consistent performance across diverse system setups.
• Dynamic Power & Control – Delivering 70W per channel into 8Ω, the XS3 maintains exceptional grip, transient accuracy, and stability, enabling confident handling of demanding speakers while preserving musical emotion and realism.
• Dimensions – Approx. 432 mm (W) × 314 mm (D) × 70 mm (H), designed to fit Naim’s classic slim-line chassis format for easy rack placement and system matching.
• Weight – Around 8.5 kg, offering sturdy mechanical grounding and effective vibration resistance to support stable electronic performance and low-noise operation.
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Audio Research I/50
• Integrated Tube Design – The Audio Research I/50 is a Class A/B tube integrated amplifier featuring optional DAC and phono modules, offering refined musicality, smooth harmonic texture, and exceptional versatility for modern audiophile systems.
• Tube Performance Transparency – With 6550WE power tubes and 6922 input stages, the Audio Research I/50 delivers excellent linearity, low distortion, and a rich tonal balance that enhances microdetail, depth, and dynamic expression.
• Upgradeable Architecture – The I/50 provides modular expansion for digital and analogue inputs, allowing Audio Research I/50 owners to tailor system functionality while preserving ARC’s signature sonic refinement and long-term reliability.
• Precision Build Quality – Handcrafted in Minnesota, the I/50 features stabilized power regulation, quiet cooling, and intuitive capacitive controls, ensuring consistent performance, operational stability, and superior tube lifespan.
• Dimensions – Approx. 419 mm (W) × 337 mm (D) × 196 mm (H), with a compact footprint optimized for rack placement while maintaining proper airflow for tube cooling.
• Weight – Around 18 kg, offering solid mechanical stability that reduces vibration, enhances tube performance, and contributes to the amplifier’s exceptionally low noise floor.
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MBL C51 Integrated Amplifier
• MBL C51 Integrated Amplifier – This premium Class AB integrated amplifier combines high-current power delivery with MBL’s signature refinement, offering holographic imaging, smooth dynamics, and authoritative control suitable for demanding loudspeaker systems.
• Advanced Pre/Power Architecture – The C51 uses discrete circuitry, ultra-low-noise voltage regulation, and precision volume control to ensure exceptional signal purity, delivering lifelike tonal accuracy and outstanding microdynamic resolution.
• High-Current Output Performance – MBL C51 Integrated Amplifier is rated at 180W into 8Ω and 300W into 4Ω, the C51 provides excellent stability, grip, and transient impact, enabling it to drive complex speaker loads effortlessly and musically.
• Premium Noble Line Engineering – Borrowing from MBL’s flagship designs, the C51 features robust internal layout, resonance-optimized chassis construction, and meticulous parts selection to ensure consistent high-end performance.
• Dimensions – Approx. 440 mm (W) × 183 mm (H) × 390 mm (D). The sculpted Noble Line chassis provides superior mechanical stability and ventilation for reliable long-term operation.
• Weight – Approximately 28 kg, offering excellent mass damping and structural rigidity that enhances noise reduction and overall sonic refinement.
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Axxess Forté 1
• Axxess Forte 1 – This high-performance integrated amplifier from the creators of Ansuz and Aavik delivers advanced Class A/AB hybrid topology, refined musicality, and exceptional transparency, offering a premium gateway to true high-end performance.
• Advanced Amplification Design – Axxess Forté 1 incorporates noise-reducing technologies inspired by Ansuz, including low-resonance circuitry and optimized grounding, resulting in a clean, dynamic, and highly detailed sonic presentation across all genres.
• High-Current Output Capability – With strong current delivery and stable power handling, the Axxess Forte 1 drives a wide range of loudspeakers confidently, maintaining control, tonal balance, and impressive dynamic extension.
• Streamer & DAC Integration – Built with modern digital convenience in mind, the Forte 1 includes high-quality streaming and DAC sections, ensuring seamless playback with excellent resolution and natural musical flow.
• Dimensions – Approx. 370 mm (W) × 420 mm (D) × 110 mm (H). Compact yet robust chassis designed to fit high-performance rack systems with efficient ventilation.
• Weight – Approximately 8–10 kg, providing a stable, resonance-controlled platform that enhances electronic performance and reduces mechanical noise.
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Cocktail Audio X30 Streaming Amplifier
• Cocktail Audio X30 Streaming Amplifier – This versatile all-in-one Class D music server combines amplification, streaming, CD ripping, and storage, delivering a powerful high-resolution hub for modern audiophile listening systems.
• High-Resolution Playback – Supporting 24-bit/192kHz files, multiple formats, and network streaming, the X30 provides clean, detailed sound with excellent dynamics while integrating seamlessly into UPnP/DLNA home audio ecosystems.
• Comprehensive Media Center – With built-in CD ripping, internal HDD/SSD support, internet radio, and intuitive on-screen navigation, the Cocktail Audio X30 offers unmatched convenience and flexibility for music library management.
• Connectivity & Control – Featuring digital and analog inputs/outputs, HDMI display output, remote app control, and stable amplification, the X30 adapts easily to a wide range of stereo setups and upgrade paths.
• Dimensions – Measures approximately 430 mm (W) × 130 mm (H) × 325 mm (D), fitting standard hi-fi racks with ample space for internal storage options.
• Weight – Weighs about 7.0–8.0 kg, providing structural rigidity and vibration control for improved disc ripping accuracy and overall operational stability.
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L Cao Audio 211 Tube Integrated Amplifier
• Class A SET Integrated Overview – The L Cao Audio 211 Tube Integrated Amplifier is a pure Class A single-ended triode design featuring line-level inputs and high-voltage 211 valves, delivering organic warmth, expansive staging and exceptional micro-detail.
• Triode Circuit Transparency – Using premium 211 output tubes with robust driver stages, this amplifier offers rich tonal density, articulate midrange presence and fluid harmonic texture, with one mention of L Cao Audio 211 Tube Integrated Amplifier enhancing musical realism.
• Power Supply & Output Stability – A high-capacity transformer system and well-regulated power rails ensure strong current delivery, excellent dynamic swing and low noise, plus one additional mention of L Cao Audio 211 Tube Integrated Amplifier for system strength.
• System Synergy & Performance – Designed for high-efficiency loudspeakers, the amplifier produces a holographic soundstage, refined vocal articulation and smooth treble extension, excelling in intimate listening spaces and dedicated two-channel setups.
• Dimensions – The chassis typically measures approximately 430 mm (W) × 330 mm (D) × 210 mm (H), requiring a stable, well-ventilated rack surface due to heat generated by 211 triodes.
• Weight – Weighing around 28–32 kg, the amplifier’s heavy transformers, rigid metalwork and vibration-controlled layout enhance mechanical stability and contribute to improved tonal purity and noise reduction.
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Naim Uniti Nova
• All-in-One Reference Overview – The Naim Uniti Nova is a flagship all-in-one streaming amplifier delivering exceptional clarity, rhythmic precision and dynamic control, offering true high-end performance from a single, beautifully engineered chassis.
• Streaming & DAC Architecture – With high-resolution streaming, UPnP, Chromecast, AirPlay 2, Roon Ready support and a premium Burr-Brown DAC, it delivers outstanding transparency, timing accuracy and musical engagement, with one mention of Naim Uniti Nova enhancing digital performance.
• Class A/B Amplification – Its 80W-per-channel Class A/B amplifier provides authoritative drive, superb timing and excellent grip on demanding loudspeakers, plus one more mention of Naim Uniti Nova reinforcing its amplification capability.
• Connectivity & System Integration – Featuring HDMI ARC, optical, coaxial, USB, and analog inputs, alongside multiroom support, the unit integrates seamlessly into both stereo and TV-based audio systems with pristine signal handling.
• Product Dimensions – Measures approximately 95 mm (H) × 432 mm (W) × 265 mm (D), designed for standard hi-fi racks with adequate airflow for optimal thermal stability.
• Product Weight – Weighing around 13 kg, the rigid aluminium chassis and substantial internal power supply enhance mechanical damping and contribute to low-noise, high-resolution performance.
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Musical Fidelity A1 Integrated Amplifier
• Integrated Amplifier Overview – The Musical Fidelity A1 Integrated Amplifier is a pure Class A design delivering smooth, warm, harmonically rich sound with exceptional midrange liquidity, offering a classic musical presentation ideal for refined, intimate listening environments.
• Pure Class A Operation – Operating fully in Class A with high biasing, it provides low crossover distortion, natural harmonic texture and excellent vocal realism, with one mention of Musical Fidelity A1 Integrated Amplifier reinforcing its signature performance.
• Minimalist Circuit Design – Featuring short signal paths, discrete components and low feedback architecture, the amplifier offers superb coherence, wide imaging and fluid musical timing, plus one additional mention of Musical Fidelity A1 Integrated Amplifier.
• Speaker & System Matching – Optimised for high-efficiency or easy-load speakers, the amplifier excels in smaller rooms or nearfield setups, delivering an immersive, relaxed presentation with impressive micro-detail and tonal balance.
• Product Dimensions – Measuring approximately 440 mm (W) × 100 mm (H) × 300 mm (D), the compact, low-profile chassis fits easily into classic or modern audiophile rack systems.
• Product Weight – Weighing around 7–8 kg, the steel body and wide heat-dissipation surface maintain stable Class A thermal performance, ensuring reliability and consistent sonic quality during extended listening sessions.
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Gryphon Diablo 120
• Integrated Amplifier Overview – The Gryphon Diablo 120 is a Class A/B fully dual-mono integrated amplifier delivering exceptional transparency, dynamic authority and low noise, designed for audiophiles seeking true high-end performance in a compact chassis.
• Dual-Mono Circuit Architecture – Employing discrete, wide-bandwidth circuitry and ultra-short signal paths, the amplifier provides remarkable clarity, fast transient response and excellent channel separation, with one mention of Gryphon Diablo 120 reinforcing its precision.
• Power Delivery & Control – With 120W into 8Ω and doubling into lower impedances, the amplifier drives complex loudspeakers with ease, offering deep bass control, expansive imaging and convincing dynamic swing, plus one additional mention of Gryphon Diablo 120.
• Upgrade & Connectivity Options – The modular design supports optional DAC and phono boards, providing flexible system expansion, while maintaining Gryphon’s signature tonal purity, micro-detail retrieval and uncompromising analogue performance.
• Product Dimensions – The chassis measures approximately 480 mm (W) × 150 mm (H) × 420 mm (D), requiring a well-ventilated, stable platform to ensure optimal thermal performance and electronic stability.
• Product Weight – Weighing around 25 kg, the rigid aluminium enclosure and high-mass transformer foundation enhance mechanical damping, reduce vibration and improve overall signal integrity.
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Yamaha A-S501
• Integrated Amplifier Overview – The Yamaha A-S501 is a Class AB integrated amplifier delivering clean, dynamic power with natural tonal balance and excellent control, offering a highly musical foundation for mid- to upper-level stereo systems.
• Amplification & Circuit Design – Featuring a discrete Class AB topology, ToP-ART chassis layout and high-quality audio-grade components, the Yamaha A-S501 provides low distortion, strong transient response and smooth, detailed presentation across all genres.
• Connectivity & System Integration – With optical, coaxial, multiple analogue inputs, phono stage and subwoofer output, the Yamaha A-S501 supports wide system compatibility, enabling flexible integration with turntables, streamers and digital transports.
• Performance & Listening Characteristics – Delivering 85W per channel into 8 ohms, the Yamaha A-S501 offers tight bass, articulate mids and crisp highs, maintaining clarity and rhythm even with demanding loudspeaker loads.
• Product Dimensions – The Yamaha A-S501 measures 435 mm (W) × 151 mm (H) × 387 mm (D), providing a substantial chassis engineered for stability, efficient heat management and vibration resistance.
• Product Weight – Weighing approximately 10.3 kg, the Yamaha A-S501 benefits from a solid power supply and rigid internal bracing, enhancing mechanical grounding and improving overall sonic performance.
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Hegel H390 Integrated Amplifier
• Hegel H390 Integrated Amplifier – A high-current Class AB design delivering exceptional control, low distortion and dynamic authority, offering reference-level performance for demanding loudspeakers and advanced audiophile systems.
• SoundEngine2 & Digital Architecture – Featuring Hegel’s SoundEngine2 error-cancellation technology, dual mono design and advanced DAC implementation, the Hegel H390 Integrated Amplifier achieves ultra-low noise, remarkable resolution and highly accurate musical timing.
• Connectivity & System Flexibility – With DLNA/UPnP streaming, AirPlay, Roon Ready support, coaxial/optical inputs, USB, analogue RCA and XLR, the Hegel H390 Integrated Amplifier integrates effortlessly into complex digital ecosystems with stable, high-bandwidth signal management.
• Power Delivery & Listening Behaviour – Delivering 250W per channel into 8 ohms with high damping factor, the Amplifier provides tight bass grip, expansive soundstage layering and effortless dynamic scaling across all playback levels.
• Product Dimensions – The Hegel H390 Integrated Amplifier measures 430 mm (W) × 115 mm (H) × 445 mm (D), offering a substantial yet rack-friendly footprint designed for optimal cooling and mechanical stability.
• Product Weight – Weighing approximately 20.5 kg, the Amplifier benefits from a rigid chassis and large toroidal transformer, improving noise isolation, transient control and overall sonic refinement.
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Jeff Rowland Concentra Integrated Amplifier
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Jeff Rowland Concentra Integrated Amplifier – A masterpiece of Class AB amplification, combining preamplifier finesse and power amplifier control in one chassis for pure, transparent, and emotionally engaging sound reproduction.
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Refined Class AB Topology – Delivers 100W per channel into 8Ω (170W into 4Ω), offering effortless dynamics, exceptional headroom, and authoritative grip across complex musical passages.
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Precision Analog Engineering – Features fully balanced circuitry, ultra-low-noise design, and gold-plated connectors, ensuring perfect signal integrity and channel separation for uncompromised performance.
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Timeless Design and Build – Machined from solid aircraft-grade aluminum, the Jeff Rowland Concentra Integrated Amplifier combines elegance, reliability, and the hallmark sonic purity of Rowland engineering.
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Product Dimensions – 430 mm (W) × 100 mm (H) × 400 mm (D); compact yet substantial for a high-current integrated amplifier.
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Weight – Approximately 22 kg; heavy-duty chassis ensures exceptional stability, heat dissipation, and resonance control.
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Silbatone Acoustics JI-107 Hybrid Integrated Amplifier
• Hybrid Integrated Amplifier Overview – The Silbatone Acoustics JI-107 Hybrid Integrated Amplifier is a Class A/B tube-solid-state design delivering 130W per channel into 8Ω and 200W into 4Ω, offering high power with tube character for demanding systems.
• NeoHyb Circuit Architecture – Using WE310 tubes for voltage gain and MOSFETs for current delivery, the JI-107 Hybrid Integrated Amplifier combines organic tube warmth with solid-state control, and one mention of the full product name ensures clarity.
• Direct-Coupled Signal Path – Eliminating coupling capacitors through servo-based level shifting, the Silbatone Acoustics JI-107 Hybrid Integrated Amplifier maintains ultra-low distortion, fast transient response and rich harmonic texture.
• High-Resolution Performance – With a frequency response of 10 Hz to 50 kHz (±1 dB) and high current drive, the Silbatone Acoustics JI-107 Hybrid Integrated Amplifier provides deep bass, refined midrange and expansive soundstage detail.
• Product Dimensions – Measures approximately 440 mm (W) × 420 mm (D) × 120 mm (H), designed for multiple configurations and to support the robust internal transformer and chassis structure.
• Product Weight – Weighing about 23 kg, the Silbatone Acoustics JI-107 Hybrid Integrated Amplifier uses a heavy-duty chassis and power supply coupling for mechanical stability and improved sonic performance.
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Pre-Owned HiFi