something from94

[Gus]

A link I saw on another site
https://www.schematicsforfree.com/archive/file/Audio/History%20of%20Audio/The%20Tube%20Sound%20and%20Tube%20Emulators.pdf
note what is written on page 5
Has anyone heard one of the microphones?
I looked up some of the patent numbers here are two
https://patents.google.com/patent/US5133014A/en?oq=5%2c133%2c014%2c

https://www.freepatentsonline.com/5434536.pdf

 

[Recording Engineer]

Definitely interesting. Haven’t heard his microphones. Here’s his amps and current contact information:
http://www.pritchardamps.com

 

[Gus]

I was wondering more about the microphone part.
I have been prototyping solid state transformer out tube voltage microphone circuits and approaching it in a different way than what I see in the patents.