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<blockquote data-quote="John Roberts" data-source="post: 114996" data-attributes="member: 126">Re: New QSC Product - TouchMixNot sure what is correct? Nothing simple about it. Digitally controlled preamps use a variant on Digital pot technology with numerous on chip resistors and transfer gate like CMOS switches. The good examples listed are low noise and low distortion comparable to best non-digital controlled preamps. In addition to good performance, they also minimize clicks and pops from switching gain that a simple manual gain switch would have. What exactly is your question? I know a little about it as do some of the other posters. Yes, digital control chip sets add the extra feature of precision. A manual switched preamp could likewise offer similar precision while not as many steps of resolution. But those features have a cost associated with them, as has also been well discussed.&nbsp; JR</blockquote>

[QUOTE="John Roberts, post: 114996, member: 126"] Re: New QSC Product - TouchMix Not sure what is correct? Nothing simple about it. Digitally controlled preamps use a variant on Digital pot technology with numerous on chip resistors and transfer gate like CMOS switches. The good examples listed are low noise and low distortion comparable to best non-digital controlled preamps. In addition to good performance, they also minimize clicks and pops from switching gain that a simple manual gain switch would have. What exactly is your question? I know a little about it as do some of the other posters. Yes, digital control chip sets add the extra feature of precision. A manual switched preamp could likewise offer similar precision while not as many steps of resolution. But those features have a cost associated with them, as has also been well discussed. JR [/QUOTE]

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