Luxman L-503s

Product Details

Product: Luxman L-503s Integrated Amplifier
Color: Aluminum Gold

Product Description

The Luxman L-503s is a high-end integrated amplifier produced between 1997 and 2000. With a continuous output power of 65 watts per channel at 8 ohms, this amplifier delivers precise and musical sound reproduction. The L-503s features Luxman’s unique OD β-circuit, an advanced NFB technology that preserves phase information across all frequency bands, ensuring a uniform tonal balance. The amplifier section employs a 3-stage Darlington configuration and complementary service circuits with low internal impedance and high-fT output transistors. The power supply is equipped with a large, high-efficiency EI-core transformer and a high-capacity capacitor for stable power delivery.

Cosmetic Description

The amplifier features an aluminum front panel with a gold finish and a gray housing. Any signs of use are carefully documented and photographed to provide a clear view of its condition.

Specifications

• Type: Integrated amplifier
• Continuous output power: 65W + 65W at 8Ω
• Total harmonic distortion: 0.003% or less (1 kHz/8Ω, Line Straight on); 0.02% or less (20 Hz – 20 kHz/8Ω, Line Straight on)
• Input sensitivity/impedance:
  • Phono (MM): 2.5 mV/47 kΩ
  • Line: 150 mV/47 kΩ
  • Balanced: 300 mV/66 kΩ
• Signal-to-noise ratio (IHF-A, Line Straight on):
  • Phono (MM): 90 dB or more (at 5 mV input)
  • Line: 107 dB or more (input shorted)
• Frequency response (Line Straight on):
  • Phono: 20 Hz – 20 kHz +0, -0.5 dB
  • Line: 20 Hz – 100 kHz -2 dB or less
• Dimensions (W x H x D): 467 x 179 x 440 mm
• Weight: 14 kg

Included

• Luxman L-503s Integrated Amplifier