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Luxman L-509Z Integrated Amplifier

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Luxman L-509Z

Achieving unprecedented performance, the L-509Z integrated amplifier takes LUXMAN's Z-Series to the peak of excellence. Introducing a next-level, all-in-one flagship model that transcends traditional integrated amplifier concepts, this model brings together our new amplification feedback engine “LIFES” and “LECUA-EX” attenuator system for improved sound quality and a precise operation feel. Combining both passion for music and improved technology, this single-chassis separate design is a pinnacle of audio enthusiasm and a testament to LUXMAN's pursuit of the ideal.

The latest amplification feedback engine literally brings music to life with LIFES* Version 1.0

The L-509Z is a pre-main amp using "LIFES" circuitry, combining a complex circuit of fidelity improvements from the 2021 flagship stereo power amp. It has multiple independent LIFES modules in pre and power sections. The output section uses triple-stage Darlington bipolar transistors for massive power and near-perfect linearity--producing 120W+120W at 8 ohms and 220W+220W at 4 ohms--for vibrant sound with plenty of energy.

Electronically controlled attenuator LECUA-EX* incorporating an elaborate rotation mechanism

LUXMAN's L-509Z amplifier integrates a highly precise rotary encoder and its newly developed weighted rotation mechanism to create its "LECUA-EX" volume control system. This system offers advanced reliability, a natural, high-quality operational feel, and 88 fine steps from 0 to 87dB to accommodate a variety of listening levels without compromising sound quality. As with all LUXMAN products, outside disturbances and changes in sound quality throughout the operating range of the volume control are avoided, and the system is resilient to deterioration over time.


Rated output 120W + 120W (8Ω)
220W + 220W (4Ω)
Input sensitivity/
input impedance
PHONO (MM): 2.5mV/47kΩ
PHONO (MC-H): 0.3mV/100Ω
PHONO (MC-L): 0.1mV/40Ω
LINE: 180mV/47kΩ
BAL.LINE: 180mV/79kΩ
MAIN IN: 1.1V/47kΩ
Output voltage PRE OUT: 1V
Frequency response PHONO: 20Hz to 20kHz (±0.5dB)
LINE: 20Hz to 100kHz (within -3dB)
Total harmonic distortion 0.007% or less (8Ω, 1kHz)
0.03% or less (8Ω, 20Hz to 20kHz)
S/N ratio (IHF-A) PHONO (MM): 87dB or more
PHONO (MC-H): 70dB or more
PHONO (MC-L): 62dB or more
LINE: 106dB or more
Volume adjustment LECUA-EX
Amplification feedback circuit LIFES 1.0
Output configuration Bipolar 4-parallel push-pull
Damping factor 330
Max. amount of tone control BASS: ±8dB at 100HzTREBLE: ±8dB at 760HzTREBLE: ±8dB at 10kHz
Power supply 230V~(50Hz) / 115V~(60Hz)
Power consumption 390W150W (under no signal), 0.5W (at standby)
External dimensions 440(W) x 193(H) x 463(D) mmfront side knob of 20mm and rear side terminalof 37mm included in depth
Net weight 29.4kg (main unit)
Accessories Remote control (RA-17A)Power cable
Speaker terminalSupported Y-lug terminal-dimension Width of part a: 16mm or lessWidth of part b: 7mm or more* Connection may not be performed
depending on the shape of the
Y-lug terminal.