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L-509X
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AMPLIFICATORE STEREO INTEGRATO
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LUXMAN L-509X
AMPLIFICATORE STEREO INTEGRATO
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The realisation of a desirable ideal the ultimate refinement of separates in a single unit.
The L-509X integrates the features of both a high quality separate amplifier and a high performance integrated amplifier into one product. The goal of creating an ideal integrated amplifier, initiated by LUXMAN with the launch of the L-509fSE in 2002, has now been advanced with the development of the L-509X. The L-509X integrated amplifier is equipped with many desirable features, such as the New LECUA1000 and a discretely configured buffer circuit in the output stage of the pre-amplifier circuit. LUXMAN’s ODNF (Only Distortion Negative Feedback) original amplifier feedback circuit and a power supply with independent left and right channel blocking capacitors are intrinsic to this design, as well as many components used only in high end models, ensuring high-quality audio reproduction. The design of the L-509X incorporates the cream of LUXMAN's proprietary technologies, breaking new ground and creating the ultimate expression of “separates in a single unit”.
An integral part of the design of the L-509X is LUXMAN's original ODNF* amplification feedback circuit, featuring a high-speed primary slew rate, an ultra-wide bandwidth and a low level of distortion that is achieved by feeding back only the distorted components of the audio signal from the output of the amplification circuit. The L-509X is equipped with the latest Version 4.0 ODNF providing a dramatic enhancement of accuracy in distortion detection due to the triple-paralleled first stage error detection circuit. Lower impedance and a higher signal to noise ratio have been achieved due to the paralleled first stage and Darlington equipped second stage amplification circuit. A 3-stage Darlington circuit and a 4-parallel push-pull structure is used for the output stage, similar to the M-700u power amplifier. This achieves output at 120W+120W(8Ω) and 220W+220W(4Ω), enabling the L-509X to drive speakers powerfully with rich dynamics and full expression. *ODNF stands for “Only Distortion Negative Feedback”.
The L-509X features a top panel with a beautiful hair-line finish and widened venting to improve heat dissipation. The loop-less chassis structure restricts any increase in ground impedance. Analog level meters, illuminated with white LEDs, add to the elegant and stylish appearance.
The L-509X is equipped with a high-quality phono amplifier, compatible with MM and MC cartridges. This model offers all the functions that a high quality integrated amplifier should, including bass and treble tone controls, L/R balance adjustment controlled by LECUA, pre/power separation function, volume control and headphone output, all integrated into a single unit without compromising sound quality.
High quality RCA terminals, made of copper alloy, are used for the LINE-1 inputs of the L-509X, combining the beneficial conductivity of copper and durability of brass. The L-509X features many custom-made components befitting a flagship model, such as the robust power supply and high-grade speaker terminals that are compatible with Y-connectors.
Rated output | 120W + 120W (8Ω), 220W + 220W (4Ω) |
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Input sensitivity/input impedance | PHONO (MM): 2.5mV/47kΩ PHONO (MC): 0.3mV/100Ω LINE: 180mV/47kΩ BAL.LINE: 180mV/55kΩ MAIN-IN: 1.1V/47kΩ |
Output voltage | REC OUT: 180mV, 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) 0.06% or less (8Ω, 20Hz to 20kHz) |
S/N ratio (IHF-A) | PHONO (MM): 91dB or more PHONO (MC): 75dB or more LINE: 105dB or more |
Volume adjustment | New LECUA1000 |
Amplification circuit | ODNF 4.0 |
Output configuration | Bipolar 4-parallel push-pull |
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Damping factor | 370 |
Max. amount of tone control | BASS: ±8dB at 100Hz TREBLE: ±8dB at 10kHz |
Power supply | 230V~(50Hz) /115V~(60Hz) |
Power consumption | 380W 150W (under no signal), 0.5W (at standby) |
External dimensions | 440(W) x 193(H) x 463(D) mm front side knob of 20mm and rear side terminal of 37mm included in depth |
Net weight | 29.3kg (main unit) |
Accessories | Remote control (RA-17A) Power cable |
Speaker terminal Supported Y-lug terminal dimension | Width of part a: 16mm or less Width of part b: 7mm or more * Connection may not be performed depending on the shape of the Y-lug terminal. |
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