12-23-2021, 03:58 PM
I don't think you have a 40-185 or 40-190 because both of these are 8 tube chassis.
Since you have a 7 tube chassis, it must be a 40-180. All three models have the power switch on the tone control.
This is what the correct loop antenna looks like:
Since you have a 7 tube chassis, it must be a 40-180. All three models have the power switch on the tone control.
This is what the correct loop antenna looks like:
