Hi, take a look at the tube type no's, the MKIII was modified to use couple of type 6922 tubes. Also with the serial # CAT should be able to tell you the history of the unit.
Help..Differences between CAT SL-1 Mk II & Mk III
I would like some help with the differences (internally) between these two models since they have been upgraded several times over the years.
CAT SL-1 Signature Mk 2 and CAT SL-1 Signature Mk 3
I'm almost certain that I currently have a Mk 2 but would like to be sure. I've tried contacting CAT with no luck so all you CAT owners out there...help is needed!
Thanks so much...
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- 1 posts total