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Audible Illusions Modulus 3
• Overview – The Audible Illusions Modulus 3, released in 1993, is a tube preamplifier featuring all-valve signal stages and optional phono section, delivering classic analogue warmth, transparency, and exceptional musicality.
• Tube Circuit Design – Utilizing high-quality vacuum tubes in a minimalist circuit, the Audible Illusions Modulus 3 achieves low noise, rich harmonic texture, and outstanding midrange realism prized by vinyl enthusiasts.
• Phono Performance – The Audible Illusions Modulus 3 is especially renowned for its high-performance MM phono stage, offering excellent gain, low noise, and dynamic headroom for revealing analogue front-end systems.
• Specifications – Tube preamplifier topology, multiple line-level inputs, optional MM phono stage, frequency response approximately 20Hz–20kHz, low distortion, high gain structure, and external power supply for improved noise isolation.
• Dimensions – Approximate chassis size is 483 mm (W) × 140 mm (H) × 305 mm (D), with a separate external power supply designed to reduce interference and improve overall system performance.
• Weight – Combined unit and power supply weigh approximately 8–10 kg, reflecting solid construction, tube circuitry, and dedicated power regulation for stable operation.
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Audio Research LS16 MK2
• Preamplifier Overview – The Audio Research LS16 MK2, released in 2002, is a high-performance tube line-stage preamplifier using 6H30 valves, offering superior transparency, dynamic refinement, and tonal purity for resolving two-channel systems.
• 6H30 Tube Line Stage – The Audio Research LS16 MK2 employs the highly regarded 6H30 “super tube,” delivering wide bandwidth, low noise, and excellent microdynamic expression, ensuring effortless musical flow and holographic soundstaging.
• Precision Circuit Engineering – With dual-mono architecture, premium components, and optimized signal paths, the LS16 MK2 achieves exceptionally low distortion and high channel separation, resulting in improved clarity and natural tonal accuracy.
• Versatile System Integration – The Audio Research LS16 MK2 provides multiple single-ended and balanced outputs, allowing flexible pairing with tube or solid-state amplifiers while maintaining stable output impedance and consistent sonic performance.
• Dimensions – Approx. 480 mm (W) × 140 mm (H) × 330 mm (D). Standard Audio Research chassis format integrates easily into full-size hi-fi racks.
• Weight – Approx. 7.7 kg, featuring a rigid chassis design that reduces vibration and supports the stability and longevity of the sensitive tube circuitry.
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Sonic Frontiers Line 3 Tube Preamplifier
• Overview – The Sonic Frontiers Line 3 Tube Preamplifier, launched in 1999, is a fully balanced, high-end tube preamp using premium 6DJ8/6922 valves, delivering exceptional transparency, harmonic richness, and reference-grade control for demanding audiophile systems.
• Tube Architecture – Featuring a sophisticated multi-tube gain stage, precision regulation, and dual-mono audio paths, the Sonic Frontiers Line 3 provides outstanding dimensionality, low noise, and authoritative dynamic contrast suited for high-resolution sources.
• Power & Control – The preamplifier employs an outboard power supply with extensive regulation, ensuring stable current delivery, reduced noise floor, and improved responsiveness across complex musical passages in the Line 3 system.
• Connectivity – Offering fully balanced XLR and high-quality RCA inputs/outputs, remote control, and modular internal boards, the Sonic Frontiers Line 3 integrates seamlessly into reference-level stereo setups requiring flexibility and sonic refinement.
• Dimensions – Main chassis approx. 483 mm (W) × 152 mm (H) × 432 mm (D); external power supply approx. 483 mm (W) × 102 mm (H) × 330 mm (D), both built for robust rack integration.
• Weight – Main unit weighs about 18–20 kg, while the power supply adds approximately 15 kg, reflecting its heavy-duty transformers and substantial regulation stages.
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Audio Research LS15
Tube Line-Stage Refinement – The Audio Research LS15 is a high-performance tube line-stage preamplifier using Class A circuitry, delivering exceptional musicality, holographic imaging, and smooth, natural tonal balance for serious audiophile systems.
• Premium Tube Gain Stages – Equipped with 6922/6DJ8 tubes, the Audio Research LS15 offers low noise, excellent linearity, and superb microdynamic expression, producing a transparent yet harmonically rich sonic presentation.
• High-Current Output Design – The LS15 provides strong drive capability and wide bandwidth, ensuring superb system matching with solid-state or tube power amplifiers while maintaining stability, clarity, and dynamic control.
• ARC Engineering Precision – Advanced power regulation, discrete circuitry, and fully balanced topology contribute to the LS15’s low distortion, excellent channel separation, and refined musical performance across all genres.
• Dimensions – Approx. 480 mm (W) × 330 mm (D) × 140 mm (H). Classic ARC chassis design ensures proper ventilation and secure rack integration.
• Weight – Around 8.5 kg, providing a rigid, low-resonance enclosure that enhances tube stability and reduces microphonic noise for cleaner signal reproduction.
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Jadis JPL Tube Preamp
Specifications
• Type: Vacuum Tube Line Preamplifier
• Class: Pure Class-A, point-to-point hand-wired
• Tubes: 2 × ECC82 (12AU7), 2 × ECC83 (12AX7)
• Inputs: 5 line inputs (RCA)
• Outputs: 2 main outputs (RCA)
• Frequency Response: 20Hz – 50kHz
• Output Impedance: 1 kΩ
• Dimensions: 430 × 110 × 270 mm
• Weight: 10.5 kg
• Made in France
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VTL Deluxe Stereo 120/50 Power Amplifier and VTL Maximal Preamplifier
• Tube Amplifier System Overview – The VTL Deluxe Stereo 120/50 Power Amplifier and VTL Maximal Preamplifier deliver classic vacuum-tube musicality with rich harmonic texture, wide dynamic expression and natural imaging for serious high-end analogue systems.
• Power Amplifier Performance – Using a Class AB push-pull circuit with EL34 or 6550 valves, the VTL Deluxe Stereo 120/50 Power Amplifier and VTL Maximal Preamplifier provide approximately 50–60W per channel, offering smooth mids, airy highs and excellent dimensionality.
• Preamplifier Transparency & Gain Structure – Featuring high-voltage tube gain stages and a minimalist signal path, the VTL Deluxe Stereo 120/50 Power Amplifier and VTL Maximal Preamplifier achieve low noise, superior tonal purity and engaging musical flow across vinyl and digital sources.
• System Synergy & Listening Behaviour – Designed to work together, the VTL Deluxe Stereo 120/50 Power Amplifier and VTL Maximal Preamplifier deliver coherent timing, fluid transient behaviour and a large holographic soundstage ideal for efficient or well-matched loudspeakers.
• Product Dimensions – Amplifier: approx. 483 mm (W) × 203 mm (H) × 381 mm (D). Preamplifier: approx. 432 mm (W) × 89 mm (H) × 330 mm (D), sized for stable rack integration.
• Product Weight – Amplifier weighs roughly 22–25 kg; preamplifier approx. 7–10 kg. Heavy transformers and rigid chassis designs provide superior mechanical damping and improved tube performance stability.
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Tube pre amplifiers are valued for their harmonic richness, natural tonal balance, and engaging musical presentation. Using vacuum tubes in the signal path, these pre amplifiers often add warmth and depth that many listeners find appealing. Tube pre amplifiers vary in circuit design and tube types, influencing sound character and system matching. Many well-built tube pre amplifiers are designed for long-term serviceability, making pre-owned units a cost-effective way to enjoy valve-based sound.
SoundTribeAsia serves as the go-to online marketplace for new and pre-owned tube pre amplifiers in Singapore and Malaysia. Buyers can compare designs, tube configurations, and conditions across trusted sellers. With transparent listings and verified sellers, SoundTribeAsia enables confident purchases for tube-based Hi-Fi systems.