La 67LR4 Multi-Band Crossover Filter


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La 67 LR4

The LR4 Crossover is a three-way crossover filter with voltage control that brings a new way of sculpting the frequency content of your sound in Eurorack. It features two four-pole/24dB/oct state variable filters with fourth-order Linkwitz-Riley slopes that ensure band separation. These split the incoming audio into three distinct bands, hi, mid, and low. The filters are separated into mid/hi and lo/mid which set the crossover point between the frequency bands. Both filters feature a frequency range of 20Hz-20kHz. Both filters feature an exponential CV input with dedicated attenuverters, with the L/M CV input normalled to the M/H CV input. This cross-over effect provides a novel way of filtering and dividing up the frequency content of your audio in Eurorack.

LR4 Features

  • Crossover multi-band processing
  • Controls set the crossover point between the hi, mid, and low frequency content
  • Individual outputs for hi, mid, and lo
  • Two 24dB/oct filters with a range of 20Hz-20kHz
  • Exponential CV inputs with attenuverters
  • Fourth-order Linkwitz-Riley response curve
  • Eurorack module
  • Width: 6hp
  • Depth: 20mm
  • Current draw: 45mA @ +12V, 45mA @ -12V
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