Keywords: Atwater Kent Type TA detector and 2 stage AF amplifier - Bayernhof Museum - DSC06297.JPG vacuum tube radio receiver made by Atwater Kent in the 1920s Atwater Kent's radios are distinctive because they didn't conceal the parts in a cabinet but instead mounted the parts on a breadboard where they could be seen This was an Atwater Kent Type TA detector and 2 stage AF amplifier It was a five tube tuned radio frequency TRF receiver with two stages of tuned radio frequency amplification a grid-leak detector tube and two stages of audio amplification The three dials are the three tuning capacitors Each had to be tuned separately to a new station making tuning complicated The three interstage coupling transformers grey cylinders are also visible The horn loudspeaker right is driven by a pair of earphones a common arrangement in the 1920s which was cheaper than a separate speaker Exhibit in the Bayernhof Museum 225 St Charles Place O'Hara Township Pittsburgh Pennsylvania USA Photography was permitted in the museum without restriction 2013-05-18 15 54 54 own Daderot cc-zero Radios in Bayernhof Museum Uploaded with UploadWizard Atwater Kent Type TA Audio amplifier kits Audio amplifiers Atwater Kent loudspeakers Breadboard amplifiers Tuned radio frequency circuits |