904A (Revised)
| Manufacturer | Moog |
| Function | Effect (low-pass VCF (24 dB-per-octave, considered the classic Moog filter)) |
| Produced | 1995 |
| Country | USA |
| Form Factor | Modular - 5U |
| Signal Path | Analog Hardware |
| Links | Modularsynthesis · Wikipedia |
| Notes | The 904-A is a voltage controlled low pass filter. This is a later revision from the three cabinet Moog and the panel has the new logo and module number. This module no longer has the separate edge finger PCB. The two PCBs are back-to-back making repairs difficult. |