904B (Revised)
| Manufacturer | Moog |
| Function | Effect (high-pass VCF) |
| Produced | 1994 |
| Country | USA |
| Form Factor | Modular - 5U |
| Signal Path | Analog Hardware |
| Links | Modularsynthesis · Wikipedia |
| Notes | 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. |