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<blockquote data-quote="John Roberts" data-source="post: 92620" data-attributes="member: 126">Re: Best inexpensive wireless mixerStill not sure how a preamp is even necessary for line level playback. I have been a serious student of mic preamp design for around 40 years. 30 years ago premium preamps were within a couple dB of theoretical noise performance with high linearity relatively inexpensively (transformer-less). 20 years ago cheap preamps were as good as old premium preamps (except for silly cheap install preamps or Karaoke toys)10 years ago anybody can grab an off the shelf IC that approaches theoretical performance. If you don&#039;t clip the preamp, it should be hard to hear any difference. OTOH microphones vary all over the map. You will probably hear more difference from how you physically place the mic in the room wrt to sound sources, than between different preamps. Of course opinions vary. JR</blockquote>

[QUOTE="John Roberts, post: 92620, member: 126"] Re: Best inexpensive wireless mixer Still not sure how a preamp is even necessary for line level playback. I have been a serious student of mic preamp design for around 40 years. 30 years ago premium preamps were within a couple dB of theoretical noise performance with high linearity relatively inexpensively (transformer-less). 20 years ago cheap preamps were as good as old premium preamps (except for silly cheap install preamps or Karaoke toys) 10 years ago anybody can grab an off the shelf IC that approaches theoretical performance. If you don't clip the preamp, it should be hard to hear any difference. OTOH microphones vary all over the map. You will probably hear more difference from how you physically place the mic in the room wrt to sound sources, than between different preamps. Of course opinions vary. JR [/QUOTE]

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