I don't know if this will help but it gave me a good reason to get them out side by side and do a visual comparison:
The Classic and the Skylines share the import Hipshot Lic. tuners as you can see here whereas the 55-94 is the US version.
This is more evident from the front side as the US versions use a narrower shaft than the barrel shafts on the lic. version. The tuners, again, are the same on the Skyline and the US Classic so I've only taken a picture of the Classic in comparison to the US 55-94.
I can not identify any visual differences between the bridges. I'd heard that the imports are supposedly inferior but short of dismantling my basses and measuring for weight and size, there is nothing visually apparent. Even the saddles appear to be similar.
The backs of the basses show the most finishing distinction between the different models. The Skyline uses black pot metal(?) hardware to attach the neck whereas both the Classic and 55-94 use chrome. The battery box on the skyline is a Fishman box whereas the Classic and the 55-94 use a sturdier box. and the electronics cavity covers are attached via round headed Phillips screws screwed directly into the wood whereas the 55-94 uses flush mounted Phillips flat head machine screws that screw into inserts in the body. (Pay no mind to the dodgy looking cavity cover on the Classic as I still have the plastic on it and it's gotten bubbled up in a couple areas.) From what I can tell, the string ferrules are the same as well. At least no visual discernable difference.
Taking the covers off reveals a world of difference in the electronics cavity. Between organization, shielding, and overall craftsmanship, the quality does not compare at all. (Note the inserts in the 55-94 cavity for the cover screws.)
Now, from a general playing standpoint for me with these three examples, the 55-94 is the most enjoyable to play. Just a pleasure to have in my hands. I like the US Classics overall tone the best (likely Alder vs Ash but I won't go down that rabbit hole) and the Skyline is the lightest of them all coming in at 7lbs 14oz.
Again, not sure if this helps but it gives a good visual overview of the three different models.
The Classic and the Skylines share the import Hipshot Lic. tuners as you can see here whereas the 55-94 is the US version.
This is more evident from the front side as the US versions use a narrower shaft than the barrel shafts on the lic. version. The tuners, again, are the same on the Skyline and the US Classic so I've only taken a picture of the Classic in comparison to the US 55-94.
I can not identify any visual differences between the bridges. I'd heard that the imports are supposedly inferior but short of dismantling my basses and measuring for weight and size, there is nothing visually apparent. Even the saddles appear to be similar.
The backs of the basses show the most finishing distinction between the different models. The Skyline uses black pot metal(?) hardware to attach the neck whereas both the Classic and 55-94 use chrome. The battery box on the skyline is a Fishman box whereas the Classic and the 55-94 use a sturdier box. and the electronics cavity covers are attached via round headed Phillips screws screwed directly into the wood whereas the 55-94 uses flush mounted Phillips flat head machine screws that screw into inserts in the body. (Pay no mind to the dodgy looking cavity cover on the Classic as I still have the plastic on it and it's gotten bubbled up in a couple areas.) From what I can tell, the string ferrules are the same as well. At least no visual discernable difference.
Taking the covers off reveals a world of difference in the electronics cavity. Between organization, shielding, and overall craftsmanship, the quality does not compare at all. (Note the inserts in the 55-94 cavity for the cover screws.)
Now, from a general playing standpoint for me with these three examples, the 55-94 is the most enjoyable to play. Just a pleasure to have in my hands. I like the US Classics overall tone the best (likely Alder vs Ash but I won't go down that rabbit hole) and the Skyline is the lightest of them all coming in at 7lbs 14oz.
Again, not sure if this helps but it gives a good visual overview of the three different models.
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