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Product Description

The attraction of the L-505uXII is its new level of refinement, approaching perfection as an authentically desirable product

The L-505uXII is the eagerly awaited Mark II version of the popular L-505uX that has been at the forefront of pre-amplifier design since it's launch in 2011. Incorporating an abundance of proprietary technologies, such as Luxman's Version 4.0 ODNF (Only Distortion Negative Feedback), as well as LECUA (Luxman Electronically Controlled Ultimate Attenuator), this product is a truly multifunctional integrated amplifier. As Luxman's latest high-end model, the L-505uXII continues the evolution of the L-505 series, which has attracted many fans of audio quality and earned a great reputation. As an amplifier which exudes sophistication and authenticity beyond its class, the L-505uXII represents the latest in a long line of exemplary models.

Features

ODNF* Version 4.0 - Innovative amplification feedback circuit
An integral part of the design of the L-505uXII 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 from the amplifier's output circuit. The L-505uXII is equipped with the latest Version 4.0 ODNF circuit, resulting in a dramatically enhanced accuracy in distortion detection due to the paralleled first stage and Darlington equipped second stage amplification circuit, as well as a paralleled first stage error detection circuit. With it's lower impedance and higher S/N ratio, the L-505uXII realises accurate reproduction of even the gentlest audio signals and achieves a full range of dynamic musical expression. The output stage, with it's parallel push-pull structure, has secured sufficient power at 100W+100W(8) and 150W+150W(4).

Highly accurate LECUA computerised attenuator
LECUA (Luxman Electronically Controlled Ultimate Attenuator) is at the heart of the pre-amplifier section and the sound volume adjustment function of the L-505uXII. The L-505uXII design also uses a solid state(IC) type circuit to achieve a significant reduction in size. LECUA provides an ideal level control mechanism that allows smooth and fine volume adjustment over 88 steps, thereby minimising any deterioration of the audio signal. In addition, left and right balance adjustment is integrated into the attenuator's control functions. The multifunctional ability of LECUA ensures accuracy over the full range of the volume control, whilst suppressing any deterioration of sound quality. The volume may also be adjusted with the remote control, but when adjusting the volume manually, the tactile design and gradual motion of the control itself enables intuitive adjustment of the attenuation level.

Discrete buffer circuit
The L-505uXII features a new discrete buffer circuit in the output stage of the pre-amplifier circuit that is equivalent to the type used in Luxman's high-end C-900u separate amplifier. The pre-amp output stage is able to drive the signal with enhanced current supply capacity. The clarity of the audio signal is protected, whilst at the same time, the driving force fed through to the power amplifier stage is significantly increased. The power and reproduction capability of the L-505uXII achieves overwhelming scale sensitivity and a sharpness on start-up that cannot be achieved by conventional pre-amplifiers.

High stability power supply
The power supply of the L-505uXII consists of an EI core type power transformer, highly regulated, with four large capacity 10,000F blocking capacitors creating a highly stable power supply. This ensures an instantaneous, constant and stable current supply.

Low impedance transmission
Large-capacity, low resistance speaker relays are connected in parallel to enable lossless transmission for the powerful driving force that is generated by the large-scale output circuit. In addition, the damping factor has been improved from 180 to 210 by lowering the impedance of the wiring pattern.

Original technologies prioritise sound quality
To realise a smooth, stress free signal transmission LUXMAN use an original Beeline construction that features a non-angled wiring pattern to allow smooth signal transmission along the shortest optimal route. This is one of many examples of a LUXMAN original design that makes sound quality a priority.

A wide variety of custom-made components for high sound quality components for high sound quality
OFC cabling is used in the internal wiring of the L-505uXII, achieving natural signal transmission due to the spirally wrapped shielding on each non-plated wire core. A high quality input selector IC is employed to improve separation and eliminate crosstalk. This model is generously equipped with many custom-made parts designed to achieve high sound quality such as in-line layout speaker terminals for easier speaker cable connection.

An abundance of user-friendly functions
The L-505uXII is equipped with a high quality phono pre-amplifier that is compatible with MM and MC cartridges supporting full analog reproduction. This model offers all the functions that a high quality pre-main amplifier should offer such as bass/treble tone control, L/R balance adjustment using LECUA, pre/power separation function, volume function and headphone output to name a few.

Specifications

RATED OUTPUT 100W + 100W (8),
150W + 150W (4)
INPUT SENSITIVITY/INPUT IMPEDANCE PHONO (MM): 2.5mV/47k
PHONO (MC): 0.3mV/100
LINE: 180mV/47k
BAL.LINE: 180mV/55k
MAIN-IN: 1V/47k
OUTPUT VOLTAGE REC OUT: 180mV, PRE-OUT: 1V
FREQUENCY RESPONSE PHONO: 20Hz to 20kHz (within -3dB)
LINE: 20Hz to 100kHz (within -3dB)
TOTAL HARMONIC DISTORTION 0.009% or less (8, 1kHz)
0.09% or less (8, 20Hz to 20kHz)
S/N RATIO (IHF-A) PHONO (MM): 91dB or more
PHONO (MC): 75dB or more
LINE: 104dB or more
VOLUME ADJUSTMENT LECUA
AMPLIFICATION CIRCUIT ODNF 4.0
OUTPUT CONFIGURATION Bipolar parallel push-pull
DAMPING FACTOR 210
MAX. AMOUNT OF TONE CONTROL BASS: ±8dB at 100Hz
TREBLE: ±8dB at 10kHz
POWER SUPPLY 230V~(50Hz) / 115V~(60Hz)
POWER CONSUMPTION 270W
85W (under no signal), 0.4W (at standby)
EXTERNAL DIMENSIONS 440(W) x 178(H) x 454(D) mm
front side knob of 20mm and rear side terminal
of 27mm included in depth
NET WEIGHT 22.5kg (main unit)
ACCESSORIES Remote control (RA-17A)
Power cable
SPEAKER TERMINAL SUPPORTED Y-LUG TERMINAL DIMENSION Width of part a: 15mm or less
Width of part b: 8mm or more
* Connection may not be performed
depending on the shape of the
Y-lug terminal.

Specifications

Product Type
Integrated Amplifier
Brand
Luxman
Condition
New
Product Code
LUX-L505UXII

Delivery Information

Delivery is free for all orders over £250.

'In Stock' items ordered before 1pm will be dispatched the same day.

We use DPD Local 'Next Day Service' for most UK deliveries. Orders sent via 'DPD Local - Next Day Service' will be fully tracked with a 1-hour delivery timeslot on the day of delivery. Standard delivery is Monday to Friday.

Saturday delivery can be selected at checkout for £19.95.

Small items and LP's may be sent using Royal Mail.

Large/heavy items may be sent using TNT Express.

For all other countries please visit the 'Delivery Information' link in the footer.

Occasionally, due to stock demand, we can sell out. If this occurs when you make a purchase, we will inform you quickly. Most out of stock items are available for dispatch within 3 working days. If your purchase is urgent, please contact us to check availability.

Customer Reviews

Luxman L-505uXII Integrated Amplifier

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Product Code LUX-L505UXII

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