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Luxman SQ-503X



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Brand: Luxman

The Luxman SQ-503X is a high-end integrated amplifier that is part of Luxman's revered SQ (Super Quality) series. It is a successor to the celebrated SQ-503, which was widely regarded as one of the finest tube amplifiers ever made.The SQ-503X features an array of premium components, including high-quality vacuum tubes, high-grade resistors, and audiophile-grade capacitors. It delivers exceptional clarity, detail, and versatility, making it a favorite among audiophiles, music producers, and recording engineers.The SQ-503X integrates a preamplifier, tuner, and phono stage, making it a comprehensive system for music playback. In addition, it features high-quality headphone amplification, allowing the listener to enjoy their favorite music in private.One of the standout features of the SQ-503X is its exceptional sound quality. Luxman's proprietary ODNF (Organic Delta Nuggetoid Filament) technology ensures that tubes provide maximum performance and extended life.The amp has a classic, minimalistic design with high-quality metal and glass finish, making it a beautiful addition to any high-end audio system. Its operational features include multiple input and output options, power update, and multi-band tone control, providing flexibility and convenience for various music genres and sources.The Luxman SQ-503X integrates advanced circuitry, including volume control, input selector, and EQ compensation, optimizing the sound for an exceptional listening experience. It is also a Pure Class A amp, offering excellent soundstage and dynamics, providing a real-life concert hall experience at home.In summary, the Luxman SQ-503X is an exceptional integrated amplifier that delivers exceptional sound quality, versatility, and functionality. Its classic design, premium components, and state-of-the-art technology make it a standout product in the high-end audio market.



  • Power Output: 30W into 8Ω (stereo)
  • Frequency Response: 20Hz to 50kHz
  • Distortion: 0.5%
  • Damping Factor: 30
  • Speaker Impedance: 4Ω (minimum)
  • Input Sensitivity: 2mV (mm), 120mV (line)
  • Signal to Noise Ratio: 60dB (mm), 70dB (line)
  • Line Output:
  • Dimensions: 450 x 160 x 268 mm
  • Weight: 10 kg
  • Year:
  • Price:

Luxman SQ-503X

Luxman SQ-503X

Luxman SQ-503X

Luxman SQ-503X

Luxman SQ-503X



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