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Luxman M-900u delivers 600W of great music

Luxman M-900u
Amplifier   From deep bass sound to clear high tone

Luxman M-900u has been created to bring out the best sound expression from the speaker system.


Luxman M-900uThe rich gradation sound quality has been achieved from deep bass sound to clear high tone with sufficient drive force acquired by connecting the 4-parallel push-pull structural output units in parallel. Luxman's original Only Distortion Negative Feedback (ODNF) circuit that provides both a lively feeling and ultra-low distortion has been evolved to the latest version 4.0. The transparent large analog meter produces the enjoyment of listening to music with finesse, and the exterior design with blasted white finishing encloses high power gently.

Luxman M-900uThe BLT connection allows the user to use the unit as an ultra-high power monaural amplifier of 600W (8Ω). M-900u has not only acquired sufficient rated output of 150 W + 150 W (8Ω), 300 W + 300 W (4Ω) but also achieved instantaneous maximum output of up to 1,200 W + 1,200 W (1Ω). Therefore, the unit can be ready with leeway for a sound source that requires high energy in a moment and drive speakers in any circumstances without being affected by change in speaker impedance.

Luxman M-900uIn addition, the BLT connection allows the user to use the unit as a monaural amplifier with the rated output of 600 W (8Ω). For the circuit configuration with this mighty power, 1 module of 3-stage Darlington and 4-parallel push-pull amplification circuit that is most excellent in sound quality according to our experiences of amplifier development for a long time and 4x2 output in which 2 modules are combined per a channel are used. The effect of the counter electromotive force from a speaker is suppressed by maintaining the damping factor to 710, and overwhelming power linearity to drive the speaker unit is achieved.

Luxman M-900uThe latest version, 4.0, of the ODNF circuit that performs feedback of only distortion components is introduced to the amplification circuit. Then, both the merits of NFB (negative feedback), i.e. low distortion and wide-band characteristics, and the features of a non-feedback amplifier, i.e. quick response and natural tone quality are provided. The ODNF circuit version 4.0 has the improved accuracy of detecting distortion with use of 3 parallels of the first stage of the error detection amplifier.

 

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