Due to the lunar new year, orders placed between 7/2/2024 and 15/2/2024 will be shipped after 15/2/2024

SVF-1 - state variable filter

SVF-1 - state variable filter

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The new SVF-1 from Tenderfoot Electronics is a great sounding state variable filter with voltage controlled cutoff and resonance. The SVF-1 self-oscillates when the resonance is turned up and has a 1V/octave input for use as a sine wave VCO.

The resonance circuit includes a Q control, a drive control, and a button to press if you're feeling less polite and really want to push the resonance beyond its limit and get it sounding dirty! The Q control is also controllable via a CV input jack.

All outputs are available simultaneously:
Low Pass
Band Pass
High Pass


A tonne of versatility from a filter in 8HP.

  • 53 mA +12V
  • 53 mA -12V
  • 0 mA 5V
  • 21 mm deep

Click here to take a look at the manual!