



Luxman L-505uXII Integrated Amplifier
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Luxman L-505uXII Integrated Amplifier
Doug Brady HiFi
Kingsway Studios
Kingsway North
Warrington WA1 3NU
United Kingdom
The Luxman 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.
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 10,000μF blocking capacitors creating a highly stable power supply. This ensures an instantaneous, constant and stable current supply.
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 (8Ω), 150W + 150W (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: 1V/47kΩ |
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 (8Ω, 1kHz) 0.09% or less (8Ω, 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 |
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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. |
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