|NBS UNIVERSAL PRE AMPLIFIER|
THE NBS UNIVERSAL PRE AMPLIFIER
The power supply design is similar to, but on a much smaller scale than, the power supply system of the NBS Universal Power Amplifier. It is power-factor-corrected. This means that the harmonic distortion of the mains current drawn by the unit is very low. This results in less coupled noise between mains circuits and signal circuits. Further, the unit may simply be plugged in anywhere in the world without any voltage adjustment.
The housing is entirely of machined aluminum like other NBS electronic products. The power system is housed separately from the audio. The status of the volume and input selection is indicated with LEDs. The brightness of the LEDs is automatically reduced in a dark room.
The sound of the preamp is completely neutral and transparent to the input signal. The music is conveyed completely with as high quality as the recording allows. There is not much else to say about it.
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