Steve Bringhurst's Radios
Here is a picture of Steve and some of his vintage radios.
Steve's breadboard TK2 circuit and the original Select-To-Match.
Here is a very collectible piece, the Heathkit CR-1 crystal set.
Radio Shack piezo elements mounted in a vintage headset.
This approach allows tight coupling to the ear canal
to make a sensitive headset.
Back to the About Us page.