I have a 1973 24' Argosy with production date of Feb1973.
I would be interested in the last four of your serial number and production date.
The original stereo was an 8 track mounted in the front cabinet over the cough. The speakers were mounted on both sides in the panel just aft of the covered windows. Some had mid-trailer speakers, but I had by cieling down and could not find wiring in my trailer.
I now have an am/fm cd mounted in this cabinet and a 15" Sanyo LCD mounted on a swinging bracket. I mounted it on the side of my refredgirator.
This TV and bracket was purchased at Wal-Mart.
The antenna has been replaced by a Batwing and my satilite and cable enters below the frig.
I have the mid-twin model with the frig curbside.
If you would like pictures are more info, private e-mail me at firstname.lastname@example.org