Dannysound Multimode Ladder Filter – Full DIY Kit

£110.25 (Excl. VAT)

The MML Filter isΒ  a twist on the classic Moog transistor ladder design with new modes and more CV control!

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Description

This is a rough video demo we managed to put together before closing for Xmas!

The Multi-Mode Ladder (MML) Filter is a twist on the classic transistor ladder low pass filter by Dr. Robert A. Moog. This filter updates the classic 4-pole ladder design to provide Band Pass and High Pass filter responses as well as the traditional Low Pass filter, this module also adds CV control over the resonance as well as two frequency CV inputs.

The circuit features a fully discreet transistor design with an op-amp buffered output, this allows soft saturation of the input signal to get the classic overdriven tones of the ladder filter. A bass compensation circuit has been included to retain the bass response in Low Pass mode when the resonance is increased. The bass compensation also helps to improve the response of the High Pass filter. The bass compensation can be removed if the user wishes to have a more classic response (see mods section in build doc).

MML Filter – Build Document

Features:

  • Low Pass, Band Pass and High Pass modes.
  • CV controlled resonance.
  • Added low frequency compensation.
  • Soft saturation of input.
  • 2 x frequency CV inputs.
  • Width: 6HP
  • Depth:

 

Additional information

HP Size