E-Mu MoPhatt

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1977 PAiA Brochures

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Unfortunately not big enough to read but they should give you an idea of what they looked like.

E-MU XK-6

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"5-bank version of the X-Lead ROM installed (this is not the common 4-bank version of the X-Lead which "only" gives you 512 patches, this is the 640-patch version"