• Soulnote M3 Mono Amplifier

    •⁠  Overview – The Soulnote M3 Mono Amplifier, released in 2019, is a solid state pure Class A monoblock design engineered with zero global feedback topology to deliver ultra-fast transient response and uncompromised musical transparency.

    •⁠  Circuit Architecture – Built around Soulnote’s non-parallel push-pull output stage and discrete driver design, the amplifier emphasizes instantaneous current delivery, wide bandwidth, and exceptionally low phase distortion.

    •⁠  Sonic Character – The Soulnote M3 Mono Amplifier is celebrated for explosive dynamics, deep tonal saturation, and expansive soundstage layering, making it ideal for high-resolution loudspeakers requiring precision and authority.

    •⁠  Specifications – Pure Class A solid state topology, approximately 200W into 8Ω and 400W into 4Ω, wide frequency response beyond 20Hz–100kHz, extremely low distortion, and high current capability for difficult loads.

    •⁠  Dimensions – Each chassis measures approximately 454 mm wide × 189 mm high × 430 mm deep, requiring generous ventilation to support continuous Class A thermal operation.

    •⁠  Weight – Each monoblock weighs roughly 32 kg, reflecting oversized transformers, heavy aluminum construction, and substantial heat sinking for stable, long-term performance.

  • Gryphon Essence Monoblock

    Product Overview – The Gryphon Essence Monoblock, a reference pure Class A power amplifier, delivers up to 220 W into 2 Ω per monoblock with zero negative feedback and extreme current reserves for demanding loudspeakers. 

    Circuit & TopologyGryphon Essence Monoblock, uses true dual-mono construction, independent driver and output power supplies, and high-current bipolar devices per monoblock, the amplifier offers ultra-low distortion, effortless transient authority, and deep control. 

    Sonic Character – Known for exceptional neutrality, textural purity, and dynamic ease, the Essence Monoblock emphasises life-like midrange, detailed imaging, and low distortion across complex musical passages regardless of volume. 

    Specifications – Rated at approx. 55 W into 8 Ω, 110 W into 4 Ω, and 220 W into 2 Ω with bandwidth to 350 kHz (-3 dB), extremely low output impedance (~0.0075 Ω), and a massive 880,000 µF power bank per unit. 

    Dimensions – Each monoblock measures approximately 470 mm (W) × 240 mm (H) × 460 mm (D), embodying a substantial, precision-engineered chassis that supports thermal management and vibration resistance. 

    Weight – Each amplifier weighs roughly 45 kg (99 lb), reflecting high-mass toroidal transformers, extensive capacitor banks, and rugged construction for optimal electrical stability and long-term performance. 

  • Naim NAP 350 Monoblock

    •⁠  Product Overview – Naim NAP 350 Monoblock Power Amplifiers, released in 2023, are solid-state Class D reference monoblocks using Naim’s Statement-derived technology, delivering immense power, speed, and control for flagship loudspeaker systems.

    •⁠  Advanced Amplification Design – Each monoblock employs Naim’s proprietary Class D topology with ultra-fast switching, low noise floor, and optimised grounding, ensuring exceptional timing accuracy, dynamic headroom, and musical coherence.

    •⁠  Sound Performance – The Naim NAP 350 Monoblock Power Amplifiers provide explosive dynamics, iron-fisted bass control, and expansive soundstage scale, while preserving Naim’s trademark rhythmic drive and natural tonal balance.

    •⁠  Specifications – Rated at 175 W into 8 ohms and 345 W into 4 ohms per monoblock, stable into low-impedance loads, with wide bandwidth response and advanced thermal management for sustained high-level performance.

    •⁠  Dimensions – Each chassis measures approximately 432 mm (W) × 91 mm (H) × 317 mm (D), matching Naim’s New Classic series proportions for seamless integration within reference-level Naim systems.

    •⁠  Weight – Each monoblock weighs approximately 14.4 kg, reflecting substantial internal power regulation, mechanical isolation, and rigid enclosure construction essential for electrical stability and vibration control.

  • Mark Levinson No.53 Reference Monoblock

    •⁠  Product Overview – Mark Levinson No.53 Reference Monoblock, released in 2009, is a solid-state Class D reference amplifier using proprietary PWM switching architecture, delivering extreme power, efficiency, and absolute control over demanding loudspeakers.

    •⁠  Reference Engineering – Designed as a no-compromise statement, the amplifier employs separate digital control, analog audio, and power sections, ensuring ultra-low noise, massive current delivery, and exceptional stability under real-world loads.

    •⁠  Sound Performance – Renowned for its effortless dynamics, expansive soundstage, and iron-fisted bass control, the Mark Levinson No.53 Reference Monoblock combines transparency with authority rarely achieved in high-power amplification.

    •⁠  Specifications – Rated at 500 W into 8 ohms, 1000 W into 4 ohms, with stable operation into 2 ohms, ultra-wide bandwidth, low distortion, and advanced thermal and protection monitoring systems.

    •⁠  Dimensions – Each chassis measures approximately 483 mm (W) × 241 mm (H) × 610 mm (D), featuring substantial heatsinking and an industrial-grade enclosure engineered for long-term reference operation.

    •⁠  Weight – Each monoblock weighs approximately 61 kg, reflecting its massive power supply, high-density construction, and mechanical rigidity essential for vibration control and electrical stability.

  • Krell FPB MC250 Monoblock

    •⁠  Overview – Krell FPB MC250 Monoblock, released in 2001, is a solid-state Class A/AB monaural power amplifier designed to deliver immense current capability, extreme control, and reference-level dynamics for demanding loudspeakers.

    •⁠  Amplifier Topology – Built on Krell’s Full Power Balanced architecture, it operates in high-bias Class A before transitioning to Class AB, ensuring low distortion, fast transient response, and consistent performance across complex loads.

    •⁠  System Authority – The Krell FPB MC250 Monoblock excels at driving low-impedance and difficult speakers, producing authoritative bass grip, wide dynamic headroom, and effortless scale without compression at realistic listening levels.

    •⁠  Specifications – Rated at 250 watts into 8 ohms, doubling to 500 watts into 4 ohms and higher into lower impedances, featuring extremely high damping factor, wide bandwidth, and fully balanced discrete circuitry.

    •⁠  Dimensions – Approx. 438 mm (W) × 305 mm (H) × 533 mm (D), housed in a massive aluminium chassis with extensive heatsinking and internal isolation for thermal stability and vibration control.

    •⁠  Weight – Approximately 68 kg per monoblock, reflecting enormous transformers, capacitor banks, and Krell’s uncompromising mechanical construction required for sustained high-current operation.

  • MBL N15 Monoblock

    •⁠  Product Overview – MBL N15 Monoblock, released in 2019, is a solid-state Class AB monaural power amplifier delivering high-current authority, extreme stability, and effortless control for reference-grade loudspeaker systems.

    •⁠  Amplification Architecture – Fully balanced signal topology with oversized power supplies ensures low noise, exceptional channel separation, and unwavering performance under demanding loads, reflecting MBL’s Noble Line engineering philosophy.

    •⁠  Sonic Performance – MBL N15 Monoblock delivers immense dynamic headroom, deep bass grip, and expansive soundstage reproduction, maintaining tonal neutrality and composure even at high listening levels.

    •⁠  Specifications – Rated at approximately 200 W into 8 ohms and 400 W into 4 ohms, with high-current output stages optimized for difficult speaker impedances and wide bandwidth signal handling.

    •⁠  Dimensions – Each chassis measures approximately 480 mm (W) × 170 mm (H) × 480 mm (D), designed to integrate seamlessly into high-end audio racks while supporting robust internal power architecture.

    •⁠  Weight – Each monoblock weighs approximately 33 kg, reflecting heavy-duty transformers, extensive heatsinking, and rigid construction essential for long-term thermal stability and sonic consistency.

  • Naim Audio NAP135 (Pair)

    Naim Audio NAP135 Overview – The Naim Audio NAP135, introduced in the late 1980s, is a Class AB solid-state monoblock amplifier designed to deliver exceptional current drive, speed, and control, making it one of Naim’s most iconic power amplifiers.

    Monoblock Power and Precision – With a dedicated transformer and power supply per channel, the NAP135 achieves outstanding channel separation, dynamic authority, and stability, ensuring effortless control over demanding loudspeakers in complex musical passages.

    Legendary Naim Timing and Drive – The Naim Audio NAP135 is renowned for its PRaT (pace, rhythm, and timing), offering fast transients, articulate bass response, and natural musical flow that has cemented its cult status among Naim enthusiasts.

    Robust British Engineering – Built with a mechanically decoupled circuit layout, oversized toroidal transformer, and rigid aluminium chassis, the NAP135 provides long-term reliability, low noise performance, and exceptional mechanical stability.

    Dimensions – Approx. 160 mm (W) × 160 mm (H) × 300 mm (D), offering a compact monoblock footprint optimised for flexible placement in high-end Naim system racks.

    Weight – Around 12 kg per monoblock, reflecting the heavy transformer and rigid casework essential for stable power delivery and low mechanical resonance.

  • AudioSpace AS-9 MK3

    AudioSpace AS-9 MK3 Overview – The AudioSpace AS-9 MK3, a Class A tube integrated amplifier released in the mid-2010s, features EL34 output tubes and a built-in phono stage, delivering warm, detailed, and harmonically rich musical reproduction.

    Refined Tube Architecture – Using high-grade EL34 power tubes and 12AX7/12AU7 driver stages, the AS-9 MK3 achieves excellent linearity, wide soundstage depth, and smooth treble energy suited for acoustic and vocal listening.

    Exceptional Musical Coherence – The AudioSpace AS-9 MK3 enhances midrange presence and low-level detail, producing a natural tonal balance with impressive microdynamics, making it ideal for pairing with sensitive or high-efficiency loudspeakers.

    Premium Build and Craftsmanship – Featuring point-to-point wiring, robust transformers, and a resonance-controlled chassis, the amplifier ensures long-term reliability, low noise, and stable tube operation under demanding listening conditions.

    Dimensions – Approx. 380 mm (W) × 295 mm (D) × 220 mm (H), offering a compact yet substantial footprint that accommodates the transformer layout and internal tube architecture effectively.

    Weight – Around 23–25 kg due to its heavy-duty power supply and output transformers, contributing to improved current delivery and mechanical stability during playback.

  • Jadis JA80 Tube Monoblocks

    Overview – The Jadis JA80 Tube Monoblocks, first released in 1985, are Class A tube power amplifiers using KT88 or KT90 valves, delivering renowned French craftsmanship, tonal richness, and dynamic authority for high-end loudspeakers.

    Tube Architecture – Each JA80 monoblock features hand-wired point-to-point construction, oversized transformers, and premium tubes, producing a fluid, harmonically saturated presentation with exceptional micro-detail and musical expressiveness.

    Power & Drive – Delivering approximately 60W of pure Class A power per chassis, the Jadis JA80 provides strong current delivery and excellent speaker control, making it suitable for complex or low-efficiency speakers.

    Build & Craftsmanship – The amplifiers showcase polished brass faceplates, heavy steel chassis, and meticulously selected components, ensuring durability, low mechanical resonance, and the signature Jadis aesthetic and sonic refinement.

    Dimensions – Each monoblock measures approx. 480 mm (W) × 230 mm (H) × 360 mm (D), accommodating large transformers and robust internal tube circuitry.

    Weight – Each unit weighs around 35–40 kg, reflecting the massive power supply architecture and premium transformer design essential for stable Class A tube performance.

  • Coda Technologies TM monoblocks (500W/C)

    Coda Technologies TM Monoblocks (500W/C) – High-current Class AB solid-state monoblocks delivering exceptional dynamic authority, low noise, and vast headroom, engineered for full control of the most demanding loudspeakers.

    Massive Power Delivery – Each TM monoblock produces a continuous 500 watts into 8 ohms with effortless scaling into lower impedances, ensuring stability, grip, and uncompromised performance under complex musical passages.

    Ultra-Low Distortion Architecture – Features high-biased Class AB topology, precision-matched output devices, and large power reserves, enabling holographic imaging, superior microdetail retrieval, and highly accurate transient reproduction.

    Reference-Grade Engineering – Built with robust transformers, premium capacitors, and oversized heatsinks, the TM monoblocks maintain thermal stability and long-term reliability consistent with Coda’s professional design heritage.

    Dimensions – Each monoblock measures approximately 432 mm (W) × 191 mm (H) × 460 mm (D), sized for proper rack integration while allowing optimal ventilation.

    Weight – Each amplifier weighs about 36–40 kg, with transformer mass and heavy chassis construction contributing to vibration control and electrical stability.

  • Gato Audio PWR 222 Monoblock

    Gato Audio PWR 222 Monoblock – This high-current Class D monoblock delivers exceptional control, transparency, and effortless dynamic power, offering a refined yet authoritative presentation ideal for modern high-resolution loudspeaker systems.

    Advanced Class D Output Stage – The PWR 222 uses a custom-tuned Class D topology with ultra-low distortion, wide bandwidth, and exceptional efficiency, producing a clean, fast, and highly detailed sonic signature.

    Massive Power & Stability – Gato Audio PWR 222 Monoblock delivers 250W into 8Ω and 500W into 4Ω, the PWR 222 maintains absolute grip over demanding speakers, ensuring deep dynamics, precise bass, and confident transient handling.

    Elegant Danish Engineering – Featuring Gato’s signature curved chassis, oversized toroidal supply, and precision electronics, the PWR 222 combines striking aesthetics with exceptionally stable and musical performance.

    Dimensions – Approx. 325 mm (W) × 325 mm (D) × 105 mm (H). Designed for efficient cooling and elegant placement in modern high-end audio racks.

    Weight – Approximately 10 kg per monoblock, providing solid mechanical stability and reduced resonance for improved electronic performance and noise control.

Monoblock amplifiers use a dedicated chassis for each audio channel, providing independent power supplies and amplification paths for left and right speakers. This architecture improves channel separation, reduces crosstalk, and delivers greater control—especially with demanding loudspeakers. Monoblocks are commonly chosen for high-performance two-channel systems where dynamics, headroom, and imaging precision are priorities. Key considerations include power output, impedance stability, and system matching with speakers and preamplifiers. Many well-engineered monoblock amplifiers are built for long service life, making the pre-owned market an effective way to access reference-level performance at better value.

SoundTribeAsia is positioned as the go-to online marketplace for new and pre-owned monoblock amplifiers in Singapore and Malaysia. Buyers can compare brands, designs, and conditions in one trusted platform, supported by verified sellers and transparent listings.

Main Menu