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Luxman SQ-505X

Luxman SQ-505X

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Luxman SQ-505X

Solid State Integrated Amplifier

The Luxman SQ-505X is the newest transistorized pre-main amplifier with full advantages yielded by the very circuitry theoretically regarded as the best one under exhaustive study of Luxman’s engineering and designing.

Based on the styling of the renowned predecessor, the SQ-505, further refinement was applied in parallel with improvement of the quality; The SQ-505X really deserves the name of the decisive model in this output and price bracket.

Main amplifier section integrates full stage direct coupling circuit without output condensers by adoption of dual power supply system in order to procure sufficient damping factor and power character even to the extreme low end frequency.

The output stage with pure complementary system completely eliminates cross-over distortion. The fore-stage adopts 2-stage differential amplifiers, which ensure very stable performance eliminating the unpleasant shock-noise at switching the mains power.

Pre-amplifier section is equipped with 3-stage direct coupling circuit at equalizer stage. Combination of PNP-NPN-PNP transistors inherently superior in mains power utilization ensures the maximum linearity.

The Phono terminals are designed to have the withstand input voltage 300mV 1KHz in view of dynamic range of various programme sources. The silicon transistors of ultra low noise figure are adopted against noise characteristics throughout whole stages.

Power output: 30 watts per channel into 8Ω (stereo)

Frequency response: 10Hz to 60kHz

Total harmonic distortion: 0.04%

Damping factor: 30

Input sensitivity: 2mV (MM), 80mV (line)

Signal to noise ratio: 63dB (MM), 80dB (line)

Semiconductors: 31 x transistors, 2 x diodes, 4 x varistors

Dimensions: 450 x 160 x 268mm

Weight: 10kg

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