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preamp

Line ins before mic preamp on some mixers

I noticed that many mixers such as the Behringer hard wire their line inputs (without even a switch) in parallel with the mic input to the mic preamps. Yes, they do have a drop resistor but that's all. My concern is that the signal is being dropped and then amplified back up - thus adding another stage and more noise. No switch also means both a mic and a line source can be both "on" at the same time. I was thinking of adding a small switch and routing the line input to just after the mic preamp. Here I am just looking for reactions and suggestions.

Do I need a preamp?

I have an old Yamaha 3210 monitor mixer. It has low z 1/4" inputs, and hi z XLR.
From a post here, asking about the mixer, I learned the mixer can handle low/high z input, has preamps, and was built to deal with the different signals.
Sooo... I was looking today at some 500 rack preamps. Would one benefit me? Would I still run the preamp signal through the mixer? Or does that defeat the purpose; by adding the coloration of the mixer amps?
Would I use the preamp signal to go directly to my computers interface?

Thanks
Brian

Lucid R3-- transparent mic preamp with optional jfet based harmonic drive

Lucid R3-- transparent mic preamp with optional jfet based harmonic drive. As well it has a tuneable high pass(5hz to 1khz), tuneable low pass(20k to 500hz), polarity,phantom power and de-pop circuit.

The power supply is a regulated LC filtered linear supply with emi noise filtering, surge and transient protection(+-18vdc and 48v). The phantom power has its own transformer to avoid pulling down the main rails when using older mics. The power supply noise is less than 1mv peak to peak.

Does the quality of the audio interface matter if you have an external preamp?

Hello, I’m an aspiring audio engineer and I am looking to build a home studio for Rap/HipHop. I have a few questions I couldn’t really find anywhere online, the first one being that does the audio interface matter if I’m purchasing the preamp. I am aware that there are preamps built into the audio interface, but i want to achieve a cleaner and better sound by buying the pieces separately. So I’m curious if I purchase a preamp separately, does it even matter what preamp I purchase?

Preamp and A/D converter ideas

hello,

I have a question for you guys.
For our archive digitizing works, we are currently using a couple of Neve 1073DPD.
We will be needing 4 new channels, which would mean 2 other 1073 for around 5000$.
So I was wondering if you guys would have any ideas of some other gear that could do the trick for a little less money.
It could be an interface (all included), some other preamp+converter (standalone) or even preamps and converters (separately).

Does a bass preamp fry a channel on an analog board?

My bass player just fried two channels on my board. He used a preamp compression pedal, into a passive DI box into an XLR channel. My formerly beautiful board smoked. It was clipping. We changed channels, DI box, cables and the second channel started to smell too. I disconnected the bass player and ran him thru my Roland keyboard amp. Please help me understand what happened! The board was only two months old and never had a problem with bass, to di to board. Is it the preamp?
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