4U044 - VCFB The lower (lower out) mixes

The lower (lower out) mixes the other bands (29 Hz

Front panel

144 - dual square wave generator card for the Music Easel

the gate outputs were fed to the input stages of a multi-state programmer

to further use in the system- 4 pulse outputs on red square banana jacks- 4 data outputs on white square banana jacks and 4 on violet bananas- 4 data inputs on white banana jacks

4U044 - VCFB The lower (lower out) mixes4U044 VCFB The VCFB, or, Voltage Controlled Filterbank is a very interesting and unique module. From an early catalogue: "Upon special request, three or more filters can be linked to achieve the function of multiple band pass spectrum filters (equivalent to voltage control paramteric equalization). Filter banks of thiy type are expectionally versatile because the multiple band pass functions can be dynamically adjusted around any portions of the audio