First Versions of 2525 Mini Jubilee vs Studio Version?

[The Ballzz]

Does anyone know if there is any operational and/or actual difference between the earlier versions of the Mini Jubilee and when they became part of the Studio Series? I seem to remember some discussion about the power reduction method being different and also seem to recall the effects loop having a switch on the earlier ones.
Just Wonderin'
Gene

[Cousin Muely]

I have the first version 2525H. There isn't an effects loop switch. The only thing the footswitch does is change channels. As far as i know the only changes were adding "Studio Jubilee" on the panel.

[The Ballzz]

I have the first version 2525H. There isn't an effects loop switch. The only thing the footswitch does is change channels. As far as i know the only changes were adding "Studio Jubilee" on the panel.

Thanks for that @Cousin Muely . It's kind of what I assumed, although we know how assumptions can be! I'm simply wanting to ascertain any differences, in case I want to purchase on the used market. Down side is that used prices don't seem to be much less than new? It's at least a helpful thing that having the "STUDIO" logo on the face plate helps identify the age!

Thanks Again,
Gene