Hello fellow geeks,

This week, we will talk about Microphone Impedance!

Before we start, we need to understand the difference between two types of impedance. Output and Load impedance.

Output Impedance

You should know by now that a microphone is converting acoustic pressure to electric voltage. The Output Impedance is the resistance that voltage will have to encounter to travel through the conductor. This clearly means that the lower the impendace, the less resistance there will be, and allow the voltage to travel longer distances!

Load Impedance

The Load Impedance is a characteristic of the next device in the signal chain, which naturally is the preamp, and is also called Input Impedance. It is equally important as it might affect the quality of the sinal we are recording. This is due to the fact that it needs to be at least a 5x multiplied value of the Output Impedance by a specific degree so the preamp handles the load easier. If that is not the case, distortion would be easily audible when pushing the preamp.

It doesn’t matter how high the Load Impedance is as long as it is 5 times higher than the Outout Impedance. Typically professional microphones output 150 to 250 Ohms, which means the Load Impedance will have to be above 750 Ohms at the worst case scenario, and definitely above 1250 Ohms if we want to play this safe.

Other News this week!

I am going to send out separate communications and post new articles but I can’t keep my excitement for some new stuff I have been working on non stop these past few weeks!

First of all, we now have a Patreon page! It’s not populated with new material yet but it will start to recycle the content we have put out on this blog soon, as well as putting out there new stuff! If you want to support please do with a donation that costs as little as a coffee! <3

We are launching our first Studio services on our Shop page!

This is only the beginning and we are going to add a few more soon!

And last but not least, we now have a Merch store in partnership with Teespring! Go grab your T-shirt, Hoodie or Mug!

Almost there with these article series but remember! Your feedbaack is crucial for where we are going next! Leave your comments in the section below and of course on our Instagram and Facebook pages!

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See you next week my fellow geeks!