Ultra Low Distortion Preamplifier with Tone Controls

摘要

This high-quality,low-distortion and low-noise stereo preamplifier can be used with just about any amplifier modules to form a stereo amplifier.It can also be used as a standalone preamp.A low-cost infrared remote control is used to switch between three separate inputs,adjust the volume or temporarily mute the output.It also includes manual volume,bass and treble controls and pushbuttons to select between the three stereo inputs.LED indicators in the pushbuttons show which input is active.It also has power,acknowledge and mute status LEDs.All in all,it offers considerable advantages over previous models.You could build it into an amplifier based on our Ultra-LD series of amplifier modules,such as the Ultra-LD Mk.4(August-October 2015;www.siliconchip.com.au/Series/289l.