This is the second in a two part Blender video series that demonstrates how to make a Vintage Microphone. The new Principled shader is used for the materials. Blender version 2.79 is used for this tutorial. This video shows techniques that may be helpful to beginners and intermediate users.
This video uses the new Denoising feature that was added to Blender in version 2.79. Here is a link to a video that I made on the topic.
Link to Denoising Article