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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.
$ 2,498.73Jeff Rowland 112 Power Amplifier
$ 2,498.73 -
Alon II Speakers
• Overview – The Alon II Speakers, released in the mid-1990s, are American-designed open-baffle hybrid loudspeakers featuring a dynamic woofer and dipole mid/tweeter array for expansive, room-filling soundstage realism.
• Open-Baffle Design – Utilizing a dipole midrange and tweeter configuration, Alon II Speakers create exceptional spatial depth and imaging precision, minimizing box coloration while delivering natural, airy high-frequency extension.
• Bass Performance – A sealed dynamic woofer provides articulate, tuneful low-frequency response, blending seamlessly with the open midrange section to produce balanced tonality and impressive dynamic scale in medium-sized rooms.
• Specifications – 2-way hybrid dipole design, sensitivity approximately 87–89 dB, nominal 4-ohm impedance, recommended amplification 50–200 W, frequency response extending roughly 30 Hz–20 kHz, optimized for high-current solid-state amplification.
• Dimensions – Each cabinet measures approximately 39 in high × 12 in wide × 15 in deep, with an open rear mid/high section requiring thoughtful room placement for best performance.
• Weight – Each speaker weighs approximately 60–70 lbs (27–32 kg), reflecting solid cabinetry, substantial crossover components and robust driver assemblies.
• Product Review – https://www.stereophile.com/floorloudspeakers/471/index.html
$ 1,093.19Alon II Speakers
$ 1,093.19 -
Luxman M-900u Ultimate
• Overview – Luxman M-900u Ultimate, released in 2013, is a solid-state Class AB stereo power amplifier engineered for extreme current delivery, tonal neutrality, and absolute control over demanding loudspeaker loads.
• Amplifier Architecture – Designed with Luxman’s ODNF 4.0 feedback circuitry, it delivers exceptional speed, ultra-low distortion, and natural musical flow while preserving dynamic contrast and micro-detail across complex recordings.
• System Authority – Luxman M-900u Ultimate excels in large-scale systems, providing effortless drive, deep bass grip, and expansive soundstaging, making it ideal for reference loudspeakers with challenging impedance characteristics.
• Specifications – Rated at 300 watts per channel into 8 ohms and 600 watts into 4 ohms, featuring high damping factor, wide bandwidth response, and fully discrete circuitry for uncompromised signal integrity.
• Dimensions – Approx. 467 mm (W) × 226 mm (H) × 485 mm (D), housed in a substantial chassis with thick aluminium panels and optimized internal layout for thermal stability and vibration control.
• Weight – Approximately 48 kg, reflecting massive transformers, large capacitor banks, and Luxman’s uncompromising mechanical construction required for sustained high-power performance.
$ 10,151.09Luxman M-900u Ultimate
$ 10,151.09 -
Luxman L550
• Product Overview – The Luxman L550, released in 1982, is a pure Class A solid-state integrated amplifier celebrated for its rich tonal warmth, precise control, and exceptionally musical presentation across diverse loudspeaker systems.
• Signature Luxman Sound – Known for its fluid midrange and refined harmonic structure, the Luxman L550 delivers highly engaging musicality that appeals to audiophiles seeking natural detail and effortless coherence.
• Classic Engineering – The Luxman L550 showcases meticulous Japanese craftsmanship, employing hand-selected components and a dual-mono layout to improve channel separation, enhance resolution, and reinforce tonal stability during dynamic passages.
• System Synergy – The Luxman L550 integrates seamlessly into both modern and vintage systems, offering consistent drive, stable performance, and excellent pairing flexibility with sensitive or moderately demanding speakers.
• Dimensions – Approx. 460 mm (W) × 170 mm (H) × 455 mm (D), designed to fit standard audio racks while maintaining adequate ventilation for Class A heat dissipation.
• Weight – Around 25 kg, featuring a robust transformer and solid chassis construction that enhances mechanical stability and minimizes resonance intrusion.
$ 2,326.94Luxman L550
$ 2,326.94 -
Luxman MQ-88uC
• Luxman MQ-88uC – The Luxman MQ-88uC is a Class AB vacuum-tube power amplifier (released 2019), using KT88 output tubes to deliver refined musicality, low distortion, and Luxman’s signature warm yet articulate presentation.
• Premium Tube Circuitry – The Luxman MQ-88uC employs a Mullard-inspired circuit with meticulous point-to-point wiring, achieving exceptional linearity, wide bandwidth, and effortless drive with superb harmonic accuracy and midrange richness.
• Precision Engineering – With stabilized power regulation, highly shielded transformers, and Luxman’s proprietary LECUA attenuation architecture, the MQ-88uC ensures ultra-quiet operation and consistent performance even with demanding loudspeakers.
• Build Quality – The amplifier’s classic Japanese craftsmanship includes a rigid chassis, custom EI-core transformers, and precision-selected components that collectively enhance stability, tonal refinement, and operational longevity.
• Dimensions – Approx. 440 mm (W) × 184 mm (H) × 230 mm (D), compact for a tube power amplifier while preserving optimal internal airflow and layout.
• Weight – Roughly 16–18 kg, reflecting its robust transformer assembly, steel chassis, and premium tube complement.
$ 4,669.50Luxman MQ-88uC
$ 4,669.50 -
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.
$ 8,433.22Luxman L-509X
$ 8,433.22 -
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.
$ 1,717.88Jeff Rowland Consonance Preamplifier
$ 1,717.88 -
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.
$ 2,967.24Jeff Rowland Concentra Integrated Amplifier
$ 2,967.24 -
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Esoteric K03
• High-End Disc Playback Overview – The Esoteric K03 delivers premium SACD/CD performance using Esoteric’s signature VRDS-NEO transport and discrete analogue stages, offering exceptional clarity, dynamic expression and time-domain accuracy for reference-grade systems.
• VRDS-NEO Transport & Digital Precision – Its rigid VRDS-NEO VMK-3.5-10 mechanism minimises vibration and disc flutter, ensuring ultra-stable reading, improved jitter control and superior detail retrieval, with one mention of Esoteric K03 enhancing accuracy.
• Advanced DAC Architecture – Equipped with dual-mono 32-bit DACs and multiple selectable filters, the player provides smooth tonal density, deep resolution and wide spatial definition, plus one additional mention of Esoteric K03 supporting high-resolution playback.
• Versatile Digital Integration – Featuring USB, coaxial and optical inputs, the unit functions as a high-end DAC, allowing integration with streamers or external transports while maintaining meticulous clocking and exceptional analogue output purity.
• Product Dimensions – Measuring approximately 445 mm (W) × 162 mm (H) × 357 mm (D), the chassis requires a sturdy, vibration-controlled shelf for optimal mechanical performance.
• Product Weight – Weighing around 23–24 kg, the heavy aluminium enclosure and multi-layer internal structure provide excellent resonance control and contribute to its clean, stable sonic presentation.
$ 4,685.12Esoteric K03
$ 4,685.12
