The special broadcast advertised below was carried over 8XB, an experimental station operated by the Precision Equipment Company of Cincinnati. The operating wavelength of 275 meters is equivalent to transmitting frequency of 1090 kilohertz.
 
Cincinnati Enquirer, October 30, 1920, page 7:
 
Teaser advertisement for Wurlitzer/8XB broadcast

October 31, 1920, page 9:
 
Main advertisement for Wurlitzer/8XB broadcast