1 HP
53 mm deep
Current Draw
35 mA +15V
25 mA -15V
0 mA 5V
$265 Price in €

Available as an assembled Module and as a DIY project.

This Module is currently available.

GMS-294A 4 Pole Low Pass Filter

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.


Ø 4.50 (2 Votes) Average Rating
submitted Dec 22nd 2014, 01:59 by JohnLRice | last Change May 20th 2020, 11:43 by 50050500