USA Colgems albums
RCA Pressing Rings
Beginning sometime in 1968, RCA began to change their manufacturing
processes transitioning from the "deep groove" 70mm
to the smaller 26mm pressing rings.
26mm Pressing Ring
1968-1971
USA Colgems albums
RCA Pressing Rings
Beginning sometime in 1968, RCA began to change their manufacturing
processes transitioning from the "deep groove" 70mm
to the smaller 26mm pressing rings.
26mm Pressing Ring
1968-1971