Luxman L-509Z

Overview

The Luxman L-509Z is the flagship of Luxman's solid state integrated amplifier line, distilling decades of engineering into a single chassis that combines a high current output stage with the company's latest feedback and volume control technologies. It pairs a substantial power reserve with the finesse expected of a separate preamplifier and power amplifier, making it a genuine one box solution for demanding systems.

At its core sits the newest generation of Luxman's ODNF (Only Distortion Negative Feedback) circuit, which detects and corrects only the distortion component rather than applying broad global feedback. Volume is handled by LECUA, Luxman's electronically controlled attenuator, which preserves tonal balance and channel matching across the entire listening range. A large high inertia power transformer, generous filter capacitance, and a low impedance output stage deliver a high damping factor for firm control of the connected loudspeaker.

The L-509Z is intended for the listener who wants reference level performance, wide dynamic swing, and a natural, resolving character without stacking multiple boxes. It suits medium to large rooms and a broad range of loudspeaker loads, from efficient horns to more demanding multiway floorstanders.

Key Features

• Flagship solid state integrated amplifier from Luxman's current lineup
• Latest generation ODNF feedback circuit for very low distortion
• LECUA electronically controlled attenuator preserves tonal balance at all levels
• High inertia power transformer with large filter capacitance for strong dynamics
• High damping factor output stage for tight control of the loudspeaker
• Balanced XLR and single ended RCA inputs for flexible system building
• Preamplifier and power amplifier separation for use with external components
• Machined aluminum front panel with signature analog meters
• Loudness, tone, and mono controls with a clean, low noise signal path

How the L-509Z Compares

Luxman L-509Z vs Luxman L-509Z Centennial

The Centennial edition sits above the standard L-509Z in the range and marks Luxman's 100th anniversary with unique cosmetics and finish. It shares the same core design philosophy of high current solid state performance with ODNF and LECUA. Choose the Centennial if you want the commemorative treatment and its distinctive presentation, and the standard L-509Z if you want the same flagship engineering in the classic Luxman look. See the Luxman L-509Z Centennial.

Luxman L-509Z vs Luxman L-100 Centennial

The L-100 Centennial is a pure Class A integrated built for intimate, tonally rich listening at moderate power. The L-509Z takes a high current solid state approach with greater output and a higher damping factor, making it a more natural match for larger rooms and more demanding loudspeakers. Pick the L-100 for the warmth and immediacy of Class A, and the L-509Z for scale and grip across a wider range of loads. See the Luxman L-100 Centennial.

Luxman L-509Z vs Luxman L-507Z

The L-507Z is the step below the L-509Z in Luxman's solid state line and shares the same ODNF and LECUA technologies in a slightly more compact package. The L-509Z offers a larger power supply, higher output, and stronger control, which rewards bigger rooms and tougher speaker loads. The L-507Z is an excellent choice for medium rooms where its output is more than sufficient. See the Luxman L-507Z.

Luxman L-509Z vs Accuphase E-4000

The Accuphase E-4000 is a high current AAVA controlled integrated with its own distinct voicing and build philosophy. The Luxman L-509Z leans on ODNF feedback and LECUA volume control to present a refined, resolving character with high damping. Both are reference class one box amplifiers, so the choice comes down to the tonal signature and control style you prefer in your system. See the Accuphase E-4000.

Recommended Speakers

The L-509Z rewards loudspeakers that thrive on control, resolution, and dynamic headroom. These pairings span efficiencies and room sizes so you can match the amplifier to your space.

• Marten Parker Trio Diamond Marten and Luxman are a frequent and natural pairing, and the Parker Trio Diamond's diamond tweeter and ceramic drivers thrive on the L-509Z's resolution and damping. The result is transparent, fast, and effortlessly controlled across the range.
• Gauder Akustik Arcona 80 MKII SD The Arcona 80 MKII SD is precise and revealing, and it responds well to the tight bass grip the L-509Z provides. This pairing suits medium rooms where imaging and clarity are priorities.
• Spendor Classic 200 The Classic 200 offers a rich, full range presentation that the L-509Z drives with authority. Its high damping factor keeps the larger drivers taut while preserving Spendor's natural tonal warmth.
• Klipsch La Scala AL6 This high efficiency Heritage horn showcases the L-509Z's low noise signal path and dynamic ease. The combination delivers lively, immediate sound with generous headroom in larger rooms.
• Amphion Krypton 3X Amphion's controlled directivity design benefits from the L-509Z's resolving power and firm control. The pairing produces a clean, focused soundstage that works well in acoustically varied spaces.

Frequently Asked Questions

What is the Luxman L-509Z?
It is the flagship solid state integrated amplifier in Luxman's current lineup, combining a high current output stage with the latest ODNF feedback circuit and LECUA volume control in a single chassis.

How much power does the L-509Z produce?
It is rated at 120 watts per channel into 8 ohms and 220 watts per channel into 4 ohms.

What is ODNF?
ODNF stands for Only Distortion Negative Feedback, Luxman's circuit that detects and corrects only the distortion component rather than applying broad global feedback, resulting in very low distortion and a natural sound.

What is LECUA?
LECUA is Luxman's electronically controlled attenuator, which manages volume while preserving tonal balance and channel matching across the entire listening range.

What is the damping factor of the L-509Z?
The L-509Z has a damping factor of 710, which gives it firm control over the connected loudspeaker.

Does the L-509Z have balanced inputs?
Yes, it includes two balanced XLR inputs in addition to its single ended RCA line inputs.

Can I use the L-509Z with a separate preamplifier or power amplifier?
Yes, the preamplifier and power amplifier sections can be separated, so you can connect external components as your system grows.

Does the L-509Z include a phono stage?
We recommend confirming the current phono configuration for this model with our team, as Luxman offers dedicated phono options within its range.

What size room suits the L-509Z?
Its power reserve and high damping factor make it well suited to medium and large rooms, while it remains equally at home driving efficient loudspeakers in smaller spaces.

What loudspeakers pair well with the L-509Z?
It pairs well with resolving, dynamic loudspeakers such as Marten, Gauder Akustik, Spendor, Amphion, and Klipsch Heritage models across a range of efficiencies.

Does it have tone controls?
Yes, it offers loudness, tone, and mono controls within a clean, low noise signal path so you can tailor playback when desired.

Does the L-509Z have a headphone output?
Yes, it includes a headphone output for private listening.

How heavy is the L-509Z?
It weighs approximately 29.4 kg, reflecting its substantial power transformer and robust construction.

How does the L-509Z compare to the L-507Z?
Both share ODNF and LECUA technologies, but the L-509Z sits higher in the range with a larger power supply, higher output, and stronger control for more demanding loudspeakers and larger rooms.

How does the L-509Z differ from the L-100 Centennial?
The L-100 Centennial is a pure Class A design focused on tonal warmth at moderate power, while the L-509Z is a high current solid state amplifier offering more output and grip across a wider range of loads.

What is included in the box?
The amplifier ships with a remote control, an AC power cable, the owner's manual, and warranty documentation.

What is the warranty on the L-509Z?
Luxman America provides a three year parts and labor warranty for the original owner when purchased from an authorized dealer.

Is All Elite Audio an authorized Luxman dealer?
Yes, All Elite Audio is an authorized Luxman dealer, so your purchase includes full manufacturer support and warranty coverage.

Can I hear the L-509Z before buying?
We welcome auditions and can help you evaluate the L-509Z with a range of catalog loudspeakers to find the best match for your system and room.

Why buy from All Elite Audio?
All Elite Audio is an authorized Luxman dealer in MD offering expert guidance, genuine products with full warranty coverage, and thoughtful system matching so you get the most from your L-509Z.