The xb77 arrived in 1977 with a vinyl wrapped chipboard base, black metal headshell, and lighter aluminum counterweight. The logo changed to the more modern AR font but was just a printed metal square.
Specifications:
Belt Drive
Suspended aluminum platter-2 parts-in oil bearing – 3.9 lbs (1.8kg)
12″ S-Shaped tonearm in oil bearing with cueing
Plastic Headshell with brass inserts for cartridge screws-Black
Counterweight-Aluminum
AC synchronous motor 110-120 v 60 cycle
Wow and Flutter, Speed Accuracy, Rumble see XA Technical Specifications
Base Finishes: Vinyl Walnut-look Veneer
Metal Plinth Finishes: Textured black
Overall size: ?
Total Weight ?