I25 – modular integrated amplifier

• Overview – The Musical Fidelity A120 10th Anniversary Integrated Amplifier is a British-engineered pure Class A design from the mid-1990s, renowned for warm, refined musicality, detailed midrange and engaging analog-like character.

• Sound Profile – This A120 edition delivers exceptionally natural tonal balance, rich harmonic texture and smooth dynamics that reward careful system matching, especially with full-range floorstanders and bookshelf speakers.

• Feature Set – It includes a versatile analog input suite with dedicated MM/MC phono stage, multiple line inputs and robust discrete amplification topology tailored for high-fidelity two-channel listening without digital artifacts.

• Specifications – Classic pure Class A architecture produces ~40 W per channel, high current capability, broad frequency response, low noise floor with strong stereo imaging, and internal heat management that supports consistent performance.

• Dimensions – Amplifier chassis measures approximately 430–450 mm wide × ~100–130 mm high × ~300–350 mm deep, designed to fit standard hi-fi shelving with ample ventilation for Class A operation. 

• Weight – Robust construction features a heavy-duty power supply and large heatsinks; unit weight sits around 15–18 kg, emphasizing solid build quality and vibration resistance. 

• Overview – The Grandinote Supremo Integrated Amplifier (2018) is a high-end pure Class A solid-state integrated amplifier using full dual-mono, no-feedback topology with MagnetoSolid-VHP output transformers for exceptional musical depth and control. 

• Architecture & Sound – With no capacitors in the signal path and full balanced XLR inputs only, the Supremo delivers ultra-wide bandwidth, superior channel separation, rich timbral accuracy, and a natural, uncompressed musical presentation. 

• Performance Character – Sonically energetic and transparent, the Supremo balances precision and musicality, producing articulate bass, detailed midrange, and refined highs with remarkable dynamics and coherence. 

• Specifications – Class A output 37 W per channel into 8 Ω, damping factor >230, flat response 1.5 Hz–350 kHz, four fully balanced XLR inputs, direct-coupled stages, and 270 W absorbed power. 

• Dimensions – Chassis measures approximately 318 mm (W) × 196 mm (H) × 473 mm (D), crafted for mechanical rigidity and resonance suppression in premium audio systems. 

• Weight – Weighs about 40 kg, reflecting substantial internal components, heavy shielding, and a robust, precision-machined Italian build for stability and long-term reliability. 

•⁠  ⁠Overview – Aavik I-880 Integrated Amplifier, released in 2021, is a high-power solid-state Class D integrated amplifier featuring advanced DAC and phono capabilities, engineered for extreme resolution and low-noise performance.

•⁠  ⁠Sound Performance – Designed for absolute transparency, the amplifier delivers explosive dynamics, ultra-low noise floor, and exceptional control, presenting music with speed, scale, and natural tonal balance across complex passages.

•⁠  ⁠Design Philosophy – Built using Aavik’s resonance-control technologies and minimalist signal paths, the Aavik I-880 Integrated Amplifier emphasizes mechanical grounding and vibration reduction to preserve microdetail and spatial accuracy.

•⁠  ⁠Specifications – Rated at approximately 300 watts per channel into 8 ohms and 600 watts into 4 ohms, offering extremely high damping factor, wide bandwidth, and stable operation with demanding loudspeaker loads.

•⁠  ⁠Dimensions – Chassis measures approximately 442 mm (W) × 147 mm (H) × 460 mm (D), providing a substantial yet refined footprint suitable for high-end audio racks.

•⁠  ⁠Weight – The amplifier weighs approximately 42 kg, reflecting its massive power supply, resonance-controlled enclosure, and premium internal construction for thermal stability and sonic consistency.

•⁠  ⁠Product Overview – SoulNote A-1 Ver. 2 Integrated Amplifier, released in 2022, is a solid-state Class AB integrated amplifier using Soulnote’s zero-feedback philosophy, delivering exceptional speed, transparency, and natural musical flow.

•⁠  ⁠Circuit Architecture – Designed with fully discrete, non-NFB circuitry and simplified signal paths, the amplifier prioritises phase accuracy, micro-dynamic resolution, and tonal purity, appealing to listeners seeking uncoloured, high-resolution playback.

•⁠  ⁠Sound Performance – The SoulNote A-1 Ver. 2 Integrated Amplifier offers agile bass control, vivid midrange articulation, and extended treble clarity, pairing effortlessly with revealing loudspeakers and high-quality digital or analog sources.

•⁠  ⁠Specifications – Output power is approximately 80 W per channel into 8 ohms and 160 W into 4 ohms, featuring wide bandwidth, high current delivery, and a robust linear power supply.

•⁠  ⁠Dimensions – Approximate chassis dimensions are 454 mm (W) × 179 mm (H) × 407 mm (D), housed in a resonance-controlled aluminium enclosure optimised for electrical stability and thermal management.

•⁠  ⁠Weight – The unit weighs approximately 24 kg, reflecting its substantial transformer, high-capacity power supply components, and rigid mechanical construction designed to minimise vibration and noise.

• Densen B-175 Overview – The Densen B-175, introduced in 2011, is a solid-state Class A/B integrated amplifier featuring a fully modular architecture with built-in preamplification, delivering exceptional speed, precision, and musical transparency.

• High-Current Dynamic Control – Engineered with an oversized power supply and dual-mono output stages, the Densen B-175 offers explosive dynamics, superb transient accuracy, and tight bass grip suitable for demanding loudspeakers.

• Modular Upgrade Path – Designed for long-term ownership, the Densen B-175 supports optional phono stages and digital modules, allowing users to expand functionality while maintaining the amplifier’s core sonic purity.

• Distinctive Nordic Voicing – Known for its lively, open, and highly detailed presentation, the Densen B-175 preserves timing integrity and musical flow, making it an ideal match for rhythm-focused and revealing speaker systems.

• Dimensions – Approx. 440 mm (W) × 64 mm (H) × 310 mm (D), offering a low-profile form factor compatible with modern hi-fi racks and minimalist setups.

• Weight – Roughly 12 kg, supported by a rigid aluminum chassis and substantial internal power components that enhance stability and reduce mechanical resonance.

• Ayre Acoustics AX-7e Overview – The Ayre Acoustics AX-7e, a solid-state Class A/B integrated amplifier released in 2006, delivers Ayre’s fully balanced, zero-feedback design with an internal preamplifier stage for exceptionally clean and natural sound.

• Zero-Feedback Transparency – Leveraging Ayre’s signature zero-feedback topology, the AX-7e provides outstanding clarity, low distortion, and realistic harmonic structure, ensuring music flows with openness and natural tonal accuracy.

• Fully Balanced Architecture – Its symmetrical circuit design greatly reduces noise and interference, enhancing dynamic range and bringing out subtle musical details with stable imaging and superior channel separation.

• Refined Musical Drive – With authoritative control and a smooth, grain-free character, the Ayre Acoustics AX-7e pairs effectively with a wide range of speakers, offering engaging dynamics and fatigue-free long-term listening.

• Dimensions – Approx. 440 mm (W) × 120 mm (H) × 345 mm (D), sized for standard hi-fi racks and easily integrated into modern or minimalist audio systems.

• Weight – Roughly 10.5 kg, featuring a rigid chassis and robust linear power supply that enhance mechanical stability and sonic performance.

• 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.

• 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.