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Radial Engineering TossOver Variable Frequency Divider

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The TossOver™ is a unique 500 series module that enables you to frequency-divide the audio signal path into two stems and process the high and low frequencies separately. This enables parallel processing whereby one could, for instance, process a vocal track by adding distortion and presence to the high-end while leaving the low frequencies unaffected.

The design begins with separate low-pass and high-pass filters with variable frequency and amplitude controls for each range. These are connected in series and can be used separately to split off either the bass or treble regions or used together to create a band-pass filter to enhance the mid range. This is augmented with a choice of 12dB, 18dB or 24dB per octave slopes that let you apply subtle filtering on instruments to gently smooth things out or apply a more radical filter at the cut-off frequency for more intense effects.

Either filter may be accessed via the 500 series power rack's XLR output by assigning a rear-mounted slider switch. Using the Omniport on a Radial Workhorse lets you take things a step further by allowing each frequency range to be processed separately and auditioned simultaneously. This, for instance enables you to split a bass track and process the low frequency stem using a compressor while processing the high frequencies with an effect like a tube distortion pedal. You would then mix the two stems together to create new and exciting effects.

The Radial Tossover is an innovative module that opens the door to creative options never before realizable in the 500 series world.


  • HPF Frequency Control
  • HPF Amplitude Control
  • LPF Frequency Control
  • LPF Amplitude Control
  • HPF Slope Switch
  • LPF Slope Switch
  • Divide signal for frequency specific processing
  • Produce exciting effects by parallel processing
  • Create low-pass, high-pass and band-pass filters
  • Choice of 12, 18 and 24 dB per octave slopes
  • Bandpass Both Button
  • 2x Bypass Buttons


  • Maximum input: +12dBu
  • Maximum output: +20dBu
  • Frequency response: <20Hz to >20KHz
  • Filter frequency range - low pass 85 Hz to 4000 Hz
  • Filter frequency range - high pass 130 Hz to 5000 Hz
  • Filter Slope: 12, 18 or 24 db per octave
  • Equavalent Input Noise: -95dbu
  • Intermodulation Distortion: 0.002%
  • Omniport Function: Alternate Output fro XLR Output
  • Input Impedance: 20K Ohms
  • Controls: 4 individual output controls
  • Connectors: 4 balanced TRS outputs
  • Indicators: Power status LED
  • Omniport: Alternate output for XLR output
  • Power requirement: 85mA maximum
  • Shipping Size (L x W x H) : 9 x 6.5 x 2 (inches) 229mm x 165mm x 51mm
  • Weight 1.5lbs (0.7Kg)
  • Conditions: For use in dry locations only between 5°C and 40°C
  • Warranty 3 Years, Transferable
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