Luxman L-509X Integrated Amplifier
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The L-509X is a high-quality integrated amplifier from LUXMAN. It is designed to offer the best of both a high-quality separate amplifier and a high-performance integrated amplifier in a single unit. The L-509X integrates many features that are typically found in high-end audio equipment, such as LUXMAN's ODNF (Only Distortion Negative Feedback) amplifier feedback circuit and a power supply with independent left and right channel blocking capacitors.
The L-509X also has a number of other features that enhance its performance and make it a desirable product for audiophiles. For example, it is equipped with the New LECUA1000, which is a high-precision volume control system that enables precise adjustment of the volume level. Additionally, the L-509X has a discretely configured buffer circuit in the output stage of the pre-amplifier circuit, which helps to preserve the clarity of the audio signal while increasing the driving force of the power amplification stage.
The design of the L-509X incorporates many of LUXMAN's proprietary technologies, such as the ODNF amplifier feedback circuit and a power supply with independent left and right channel blocking capacitors. These technologies help to ensure that the L-509X delivers high-quality audio reproduction with low distortion and a wide dynamic range. The L-509X is also equipped with many custom-made components, such as the robust power supply and high-grade speaker terminals that are compatible with Y-connectors.
In terms of its design, the L-509X has a top panel with a beautiful hair-line finish and widened venting to improve heat dissipation. The chassis structure of the L-509X is loop-less, which helps to restrict any increase in ground impedance. The L-509X also has analog level meters that are illuminated with white LEDs, adding to its elegant and stylish appearance.
In addition to its audio performance, the L-509X offers a number of user-friendly functions. It is equipped with a high-quality phono amplifier that is compatible with MM and MC cartridges. It also has 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. The L-509X also has high-quality RCA terminals that are made of copper alloy, combining the beneficial conductivity of copper and durability of brass.
Overall, the L-509X is a high-quality integrated amplifier that offers the best of both a high-quality separate amplifier and a high-performance integrated amplifier in a single unit. It is equipped with many desirable features and incorporates many of LUXMAN's proprietary technologies, resulting in a product that delivers high-quality audio reproduction with low distortion and a wide dynamic range.
Key Features
- Equipped with LUXMAN's ODNF (Only Distortion Negative Feedback) amplifier feedback circuit
- Power supply with independent left and right channel-blocking capacitors
- New LECUA1000 high-precision volume control system
- Discretely configured buffer circuit in the output stage of the pre-amplifier circuit
- Robust power supply and high-grade speaker terminals compatible with Y-connectors
- High-quality phono amplifier compatible with MM and MC cartridges
- Bass and treble tone controls, L/R balance adjustment, pre/power separation function, volume control, and headphone output
- High-quality RCA terminals made of copper alloy
- Loop-less chassis structure and widened venting for improved heat dissipation
- Analog level meters illuminated with white LEDs for a stylish appearance.
Technical Specifications
| Specifications | |
|---|---|
| Rated output | 120W + 120W (8Ω), 220W + 220W (4Ω) |
| Input sensitivity | 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 |
| 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. |