As an old amp tech friend of mine once said "it's not Sound City, it's Sound S-h-i-t-t-y"

They are known for breaking down and the tone is nothing to write home about. They're pretty much wannabe Hiwatts. They were made before Hiwatt (Pete Townshend used them before Hiwatt came out) and Hiwatt pretty much eclipsed them in tone and durability.