Luxman SQ-505X Integrated Stereo Amplifier

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Specene:
Type Solid-state integrated amplifier
Main Amplifier Section
Continuous output 30W + 30W (8 Ω, both channels operating)
35W/35W (8 Ω, single-channel operation)
Total harmonic distortion factor 0.04% or Less (8 Ω, 30W)
Cross modulation distortion factor 0.04% or Less (8 Ω, 30W, 70 : 7 khz = 4 : 1)
Output bandwidth 5 Hz to 50 kHz -3dB (0.04%)
Frequency characteristic 10 Hz to 60 kHz (within -1dB)
Input sensitivity 430 mv (8 Ω, 30W)
Input impedance 50k Ω
Damping factor 30 (8 Ω)
60 (16 Ω)
Residual noise 1 mV or less
Preamplifier Section
Frequency characteristic 10 Hz to 50 kHz -3dB (Aux1)
Total harmonic distortion factor 0.05% or Less (1 kHz, 1 V, Aux1)
Input sensitivity Phono1, 2 : 2 mV
Aux1, 2, 3 : 80 mV
Input impedance Phono1 : 30k Ω, 50k Ω, 100k Ω
Phono2 : 50k Ω
Aux1, 2, 3 : 30k Ω
Signal-to-noise ratio Phono1, 2 : 63 dB or more
Aux1, 2, 3 : 80 dB or more
Maximum Allowable Input (1 kHz) Phono:300mV
Tone control LUX System NF Type with Bending Point Switching
Low Bend Point : Defeat, 150 Hz, 300 Hz, 600 Hz
High Frequency Curve Point : Defeat, 6 kHz, 3 kHz, 1.5 kHz
Residual noise 25 μ V or less
Crosstalk (1 kHz) Phono : -60dB or less
Aux : -65dB or less
Filter Low-cut : 70 Hz (-6dB/oct.)
High Cut : 6 kHz (-6dB/oct.)
Low booster 100Hz(6dB/oct)

Attachment Attenuator (-18dB)
Speaker switch (2 systems)
Premain isolation switch
Tape monitor (2 systems)
Recording output terminal (2 systems)
Semiconductor used Transistor : 31
Diode : 2 pcs
Varistor : 4 pcs
Power consumption 130W (8 Ω simultaneous load at maximum output)
External dimensions Width 450x Height 160x Depth 268 mm
Weight 10.5kg

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Selling a vintage Luxman SQ-505X integrated stereo amplifier made in Japan. Beautiful wooden casing, excellent sound quality. All necessary connections are available, and a matching Luxman radio tuner in a suitable style and color scheme is available for an additional fee. I will consider various trade options that are beneficial to me, including higher-class audio equipment with defects and 21st-century speakers. Located in the center of Valmiera, available for pick-up in Riga once a week. I can deliver elsewhere in Latvia for an additional fee.

Specifications:
Type: Solid-state integrated amplifier

Main Amplifier Section
Continuous output: 30W + 30W (8 Ω, both channels operating)
35W/35W (8 Ω, single-channel operation)
Total harmonic distortion factor: 0.04% or Less (8 Ω, 30W)
Cross modulation distortion factor: 0.04% or Less (8 Ω, 30W, 70 : 7 kHz = 4 : 1)
Output bandwidth: 5 Hz to 50 kHz -3dB (0.04%)
Frequency characteristic: 10 Hz to 60 kHz (within -1dB)
Input sensitivity: 430 mv (8 Ω, 30W)
Input impedance: 50k Ω
Damping factor: 30 (8 Ω), 60 (16 Ω)
Residual noise: 1 mV or less

Preamplifier Section
Frequency characteristic: 10 Hz to 50 kHz -3dB (Aux1)
Total harmonic distortion factor: 0.05% or Less (1 kHz, 1 V, Aux1)
Input sensitivity: Phono1, 2: 2 mV; Aux1, 2, 3: 80 mV
Input impedance: Phono1: 30k Ω, 50k Ω, 100k Ω; Phono2: 50k Ω; Aux1, 2, 3: 30k Ω
Signal-to-noise ratio: Phono1, 2: 63 dB or more; Aux1, 2, 3: 80 dB or more
Maximum Allowable Input (1 kHz): Phono: 300mV
Tone control: LUX System NF Type with Bending Point Switching
Low Bend Point: Defeat, 150 Hz, 300 Hz, 600 Hz
High Frequency Curve Point: Defeat, 6 kHz, 3 kHz, 1.5 kHz
Residual noise: 25 μ V or less
Crosstalk (1 kHz): Phono: -60dB or less; Aux: -65dB or less
Filter: Low-cut: 70 Hz (-6dB/oct.); High Cut: 6 kHz (-6dB/oct.)
Low booster: 100Hz(6dB/oct)

Attachment: Attenuator (-18dB), Speaker switch (2 systems), Premain isolation switch, Tape monitor (2 systems), Recording output terminal (2 systems)
Semiconductor used: Transistor: 31, Diode: 2 pcs, Varistor: 4 pcs
Power consumption: 130W (8 Ω simultaneous load at maximum output)
External dimensions: Width 450x Height 160x Depth 268 mm
Weight: 10.5kg