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Jeff Rowland 112 Power Amplifier
• Overview – The Jeff Rowland 112 Power Amplifier, released in 2004, is a solid state Class AB stereo power amplifier delivering refined power, exceptional control, and the brand’s signature ultra-low noise performance.
• Balanced Circuit Design – Featuring fully balanced circuitry and precision-matched components, the Jeff Rowland 112 Power Amplifier delivers remarkable transparency, expansive soundstaging, and effortless dynamic scaling across demanding loudspeaker loads.
• Precision Power Delivery – With a high-current output stage and robust linear power supply, this amplifier produces authoritative bass control, smooth midrange texture, and refined high-frequency extension without harshness or strain.
• Specifications – Rated at 150 watts per channel into 8 ohms and 300 watts into 4 ohms, balanced XLR and RCA inputs, high-current output stage, frequency response 10Hz–40kHz, signal-to-noise ratio exceeding 90dB.
• Dimensions – Approximately 432 mm wide × 95 mm high × 356 mm deep, housed in a precision-machined aluminum chassis designed for thermal stability and mechanical resonance control.
• Weight – Weighs approximately 15 kg, reflecting its substantial power supply, heavy-duty transformer, and solid billet aluminum construction typical of Jeff Rowland designs.
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McIntosh MT5 Precision Turntable w/Sumiko Blue Point No. 2 HOMC Cartridge & Dust Cover
• Product Overview – The McIntosh MT5 Precision Turntable w/Sumiko Blue Point No. 2 HOMC Cartridge & Dust Cover, introduced in 2014, delivers smooth belt-drive performance with superb mechanical isolation and a factory-aligned high-output MC cartridge.
• Performance Engineering – The MT5 features a low-noise AC synchronous motor, magnetically cushioned platter, and precision bearing system that together ensure stable rotation, excellent speed accuracy, and low mechanical resonance.
• Cartridge Synergy – The Sumiko Blue Point No. 2 provides dynamic, detailed playback with excellent tracking and compatibility with most MM phono stages, offering users an immediate high-performance analog setup.
• Aesthetic & Build Quality – The MT5 blends McIntosh’s iconic illuminated chassis with vibration-damped construction, delivering exceptional sonic refinement and a visually striking centerpiece for premium vinyl systems.
• Dimensions – Approx. 445 mm (W) × 150 mm (H) × 393 mm (D) with dust cover installed, designed for stable placement on high-quality racks.
• Weight – Roughly 12.7 kg including platter, ensuring excellent mass loading and reduced resonance for improved playback precision.
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McIntosh MP1100
• Product Overview – The McIntosh MP1100, introduced in 2016, is a premium tube phono preamplifier using four 12AX7A valves, delivering exceptional analog purity, wide dynamic range, and highly accurate RIAA equalization.
• Advanced Tube Architecture – The MP1100 employs fully balanced tube gain stages, ultra-low noise circuitry, and dual-mono signal paths, ensuring superior channel separation and remarkably low distortion across all supported phono formats.
• Comprehensive Vinyl Compatibility – With multiple loading options, three selectable inputs, and both MC and MM support, the MP1100 accommodates a broad range of cartridges while maintaining the McIntosh signature analog refinement.
• Precision Engineering – The MP1100 integrates robust shielding, advanced filtering, and a vibration-controlled chassis, ensuring ultra-quiet operation and stable performance that preserves the natural texture of vinyl recordings.
• Dimensions – Approx. 445 mm (W) × 152 mm (H) × 483 mm (D), designed in classic McIntosh proportions for seamless installation with matching components.
• Weight – Around 13.6 kg, featuring a rigid steel chassis and heavy internal shielding that enhances structural stability and reduces microphonic interference.
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McIntosh C40 Preamplifier and MC2500 Amplifier
• System Overview – The McIntosh C40 Preamplifier and MC2500 Amplifier deliver a reference-grade combination known for immense power, ultra-low distortion, and exceptional musical authority, suited for both studio mastering and high-end home systems.
• C40 Preamplifier Capability – The C40 provides wide input flexibility, precision tone shaping, and McIntosh’s low-noise circuitry, ensuring a transparent, dynamically expressive signal path ideal for analog and digital front-end integration.
• MC2500 Power Delivery – With 500W per channel and Autoformer impedance matching, the MC2500 offers massive headroom, outstanding damping control, and effortless drive even for highly demanding full-range or low-efficiency loudspeakers.
• System Synergy – Together, the McIntosh C40 Preamplifier and MC2500 Amplifier produce a wide, stable soundstage with superb bass grip, rich harmonic texture, and the unmistakable “big Mac” presentation.
• Dimensions – C40: approx. 443 × 152 × 406 mm. MC2500: approx. 483 × 292 × 559 mm. Both components require substantial rack space due to their depth and transformer mass.
• Weight – C40 weighs around 13 kg, while the MC2500 is approximately 69 kg, supported by heavy transformers and robust heat-sinking for long-term stability and thermal control.
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Jeff Rowland Consonance Preamplifier
• Preamplifier Overview – The Jeff Rowland Consonance Preamplifier, introduced in the mid-1990s, is a reference solid-state line stage known for its ultra-low noise floor, holographic imaging, and refined tonal balance characteristic of Rowland’s early masterpieces.
• High-Resolution Line Stage – The Consonance employs fully balanced circuitry, premium discrete components, and short signal paths, ensuring exceptional transparency, natural harmonic structure, and impressive dynamic contrast with both solid-state and tube power amplifiers.
• Silent Power Architecture – Featuring Rowland’s renowned attention to power-supply regulation and isolation, the Jeff Rowland Consonance Preamplifier delivers extremely low distortion and stable channel performance, enhancing microdetail retrieval and spatial coherence.
• Precision Build Quality – Machined aluminum chassis, high-grade connectors, and vibration-resistant internal layout reinforce long-term stability, while providing the polished aesthetic and engineering elegance expected from Jeff Rowland designs.
• Dimensions – Approx. 430 mm (W) × 90 mm (H) × 300 mm (D). Designed for compatibility with standard rack systems while maintaining optimal internal airflow and cable management.
• Weight – Approx. 8–10 kg, depending on production revision, offering solid mechanical grounding that minimizes vibration and preserves low-noise signal integrity.
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McIntosh C40
• Preamplifier Overview – The McIntosh C40, introduced in 1994, is a solid-state preamplifier offering extensive input flexibility, precision tone control, and a high-quality phono stage, designed for resolving two-channel audiophile systems.
• Versatile Input Architecture – The McIntosh C40 provides multiple line-level inputs, dual tape loops, and a robust moving-magnet phono section, enabling optimized integration with both vintage and modern sources while maintaining signal integrity.
• Precision Control & Low Noise – Featuring McIntosh’s renowned low-distortion circuitry, advanced EQ capabilities, and high dynamic headroom, the C40 delivers exceptionally quiet operation with excellent channel separation and natural tonal accuracy.
• Reference-Grade Build Quality – Premium components, sealed controls, and heavy shielding ensure long-term reliability, while the signature glass front panel and illuminated design deliver classic McIntosh aesthetics and functional durability.
• Dimensions – Approx. 445 mm (W) × 152 mm (H) × 419 mm (D). Sized for standard audio racks while providing proper space for ventilation and cable management.
• Weight – Approx. 13.6 kg, supported by a rigid steel chassis that enhances vibration control and preserves low-noise preamplifier performance.
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McIntosh MC252
• Power Amplifier Overview – The McIntosh MC252, released in 2003, is a solid-state Class AB amplifier delivering 250W per channel with McIntosh Autoformer technology, ensuring full power output into 2, 4, or 8-ohm loudspeakers with exceptional reliability.
• High-Current Performance – Designed for demanding speakers, the McIntosh MC252 uses a robust power supply, wide dynamic headroom, and exceptional current delivery to maintain clarity, control, and effortless authority at any listening level.
• Iconic McIntosh Engineering – Featuring premium output transistors, low-distortion circuitry, and the brand’s signature blue watt meters, the amplifier provides refined musicality with outstanding transparency, imaging stability, and tonal consistency across all genres.
• Precision Build Quality – Heavy-duty chassis construction, advanced thermal management, and gold-plated binding posts ensure long-term durability, while maintaining the refined sonic signature expected from McIntosh reference-level amplifiers.
• Dimensions – Approx. 445 mm (W) × 238 mm (H) × 413 mm (D). Substantial footprint designed for proper rack placement and optimal ventilation.
• Weight – Approx. 39 kg. The high-mass transformer and robust steel chassis contribute to mechanical stability, resonance control, and enhanced amplifier performance.
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McIntosh MCD1100 Reference
• Overview – The McIntosh MCD1100 Reference, launched in 2010, is a high-end solid-state SACD/CD player featuring an advanced 32-bit DAC platform engineered for ultra-low distortion, wide dynamic range, and exceptional digital transparency.
• Digital Precision – The MCD1100 Reference employs quad-balanced DAC architecture with dedicated left/right processing, delivering refined detail retrieval, expansive imaging, and a highly natural tonal presentation across both CD and SACD formats.
• Versatile Connectivity – With optical, coaxial, and USB inputs, the MCD1100 Reference functions as a world-class standalone DAC, enabling high-resolution playback from streaming devices, computers, and external transports with uncompromising fidelity.
• Reference-Grade Build – The MCD1100 Reference features McIntosh’s signature glass-front design, stainless chassis, and isolated digital/analog sections to minimize interference and maintain purity in demanding listening environments.
• Dimensions – Approx. 444 mm (W) × 152 mm (H) × 483 mm (D), offering a substantial chassis engineered to reduce vibration and enhance digital-to-analog performance stability.
• Weight – Approx. 17.2 kg, providing the rigidity and structural mass necessary for precision disc reading and mechanical isolation.
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Kimber Kables 4TC Speaker Cables (3.1m)
• High-Purity Cable Design – Kimber Kables 4TC Speaker Cables (3.1m) use Kimber’s classic braided geometry, offering exceptional noise rejection, improved conductivity, and transparent signal transfer for clean, natural, and highly detailed musical playback.
• Eight-Conductor Architecture – The Kimber Kables 4TC Speaker Cables (3.1m) feature four blue and four black Teflon-insulated conductors, delivering excellent phase coherence, low capacitance, and smooth frequency balance across demanding loudspeaker systems.
• Superior Tonal Neutrality – These cables provide balanced bass control, open midrange presence, and refined treble extension, making them ideal for systems requiring neutrality, improved imaging, and enhanced microdynamic resolution.
• System Compatibility – The Kimber Kables 4TC Speaker Cables pair well with tube and solid-state amplifiers, offering stable performance and flexible termination options for a wide range of high-quality loudspeakers.
• Dimensions – Typical length 2–3 meters depending on configuration, featuring Kimber’s signature hand-braided construction designed for consistent electrical performance and reduced electromagnetic interference.
• Weight – Lightweight yet robust, approximately 0.4–0.6 kg per stereo pair depending on length, ensuring easy routing, optimal flexibility, and long-term durability.
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Mcintosh C200 Pre Amplifier
• Dual-Chassis Reference Overview – The McIntosh C200 Pre Amplifier is a fully dual-mono solid-state control center offering ultra-low noise, wide dynamic capability and exceptional transparency through its dedicated power-supply chassis and precision signal path design.
• Pure Analog Signal Integrity – Using discrete Class A gain stages, balanced topology and premium component selection, the preamp delivers superb clarity, harmonic neutrality and stable imaging, with one mention of McIntosh C200 Pre Amplifier enhancing accuracy.
• Comprehensive System Control – Featuring balanced and unbalanced inputs, configurable outputs and precision volume architecture, the unit integrates effortlessly into reference systems, plus one additional mention of McIntosh C200 Pre Amplifier reinforcing flexibility.
• Noise Isolation & Dual-Chassis Design – Separating the audio circuitry from the power supply minimises interference and vibration, ensuring exceptional low-level detail retrieval and consistent performance even with highly revealing loudspeakers.
• Product Dimensions – Control chassis: approx. 445 mm (W) × 152 mm (H) × 381 mm (D). Power-supply chassis: approx. 445 mm (W) × 152 mm (H) × 381 mm (D), both fitting full-size racks.
• Product Weight – Combined system weight of roughly 27–30 kg, with robust transformers, steel enclosures and rigid construction contributing to superior mechanical stability and noise isolation.
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Mcintosh MC352
• High-Power Amplifier Overview – The McIntosh MC352 is a Class AB solid-state power amplifier delivering 350W per channel through McIntosh’s Quad-Balanced topology, offering exceptionally low distortion, high current drive and authoritative control for demanding loudspeakers.
• Quad-Balanced Circuit Excellence – Its fully differential design cancels noise and distortion while enhancing dynamic impact, resulting in cleaner transients, expansive staging and improved low-level detail, with one mention of McIntosh MC352 reinforcing performance purity.
• Autoformer Output Stability – McIntosh Autoformers maintain full rated power across 2, 4 and 8 ohms, ensuring consistent tonal balance, effortless drive and stable operation with challenging, low-impedance speakers, plus one additional mention of McIntosh MC352.
• Power Supply & Thermal Management – Featuring a massive transformer, high-capacity capacitors and efficient heat dissipation, the amplifier delivers long-term reliability, deep bass grip and sustained high-output performance under dynamic musical conditions.
• Product Dimensions – Approx. 445 mm (W) × 240 mm (H) × 475 mm (D), requiring a deep, well-ventilated equipment rack capable of supporting heavy solid-state amplification.
• Product Weight – Weighing roughly 49 kg, the high-mass chassis, large transformer and rigid framework contribute to superior mechanical grounding and stable, noise-free operation.
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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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McIntosh MC53 Preamplifier
Specifications: McIntosh MC53 Preamplifier
• Type: Solid-state stereo preamplifier
• Inputs: 6 unbalanced RCA, 2 balanced XLR, 1 phono MM
• Outputs: 2 balanced XLR, 2 unbalanced RCA (Main & Fixed)
• Frequency Response: 20Hz – 20kHz (+0/–0.2dB)
• Total Harmonic Distortion: 0.002%
• S/N Ratio: 100dB (line), 85dB (phono)
• Dimensions: 17.5” (W) x 6” (H) x 18” (D)
• Weight: Approx. 13kg
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Jeff Rowland Design Group is an American high-end audio manufacturer recognised for precision machining, minimalist industrial design, and refined circuit implementation. The brand emphasises power supply integrity and low-noise operation to achieve clarity and control.
Jeff Rowland components are built with exceptional mechanical tolerances and conservative engineering, contributing to long-term stability. This makes pre-owned Jeff Rowland equipment especially attractive to audiophiles seeking reference-grade electronics with enduring value.
Across Singapore, Malaysia, and Southeast Asia, Jeff Rowland is associated with refined, long-term system building. On SoundTribeAsia, Jeff Rowland equipment — new and pre-owned — is offered by verified dealers, providing transparent listings through a trusted regional marketplace.