View Single Post
  #2  
Old 09-16-2015, 09:45 PM
Olorin67 Olorin67 is offline
VideoKarma Member
 
Join Date: Feb 2014
Location: Milwaukee
Posts: 927
The letters in the model number are for the model year. Zenith retained tube tuners for a few years after the amps went solid state. Yours must have been made after the change over.
Reply With Quote