Available as an assembled Module and as a DIY project.
This Module is discontinued.
4 Pole Low Pass Filter
A transistor ladder made with vintage transistors gives the same sonic character to the GMS-294A Four Pole Low Pass filter recreation that the original 904A Four Pole Low Pass filter possesses.
A rotary switch selects the frequency range and a panel fine tune potentiometer allow setting the exact filter frequency. Gain controls are provided for the audio input and the frequency voltage control inputs.
The MU version is housed in a 1MU (2.125 inch wide by 8.75 inch high) panel with DOTCOM compatible power connector.
