Technopolis - Where Technology Lives    

From the microphone in a studio to a speaker in the home, radio broadcasting became the most important communication medium for most of the 20^th century.

The RCA 77-DX is possibly the most recognizable microphone from the Golden Age of Radio. This one is from 1943 and works very well.

This unusual Western Electric D-99098 microphone is from 1931 and will pickup sound from long distances. It is over 5 feet long. 

The Western Electric 618 is the working element and is the first dynamic microphone.

Philco, one of the big names in radio, manufactured receivers for most of the 20^th century.

The Training Radio illustrates how the radio received the broadcast signal and played through the speaker. 

This is a tube radio and it really works.

The Otari MX-70 is a 16-track tape recorder. This is what analog really looks like.

We also have a selection of period radio show openings that can be heard as they were intended: on a radio.