904-B High Pass Filter Module

The 904-B is a voltage controlled high pass filter.  This is a later revision from the three cabinet Moog and the panel has the new logo and module number.

 

This module has been redesigned to fit on a single PCB.

 

There are three trimmers in this module - top left: 20 KHz, bottom left: scale, middle right: - output offset.

 

 

Operation

There are scope images of the high pass filter operation on the three cabinet Moog 904B page.

 

 

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