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Radial Engineering


Radial Engineering Q3 500 Series Coil EQ Module

The Radial Q3 is a spectacular sounding induction coil EQ that has been formatted to fit the popular 500 series format and the Radial Workhorse. It is designed to accentuate the character of a voice or instrument without introducing the artifacts and phase anomalies commonly associated with typical gyrator (resistor-capacitor) equalizer circuits.


      • Coil EQ based on vintage EQs from the golden age
      • A stunning combination of over 10,000 tonal variations
      • Lets you color your sound with warmth and detail
      • Works with Workhorse and all 500 series power racks

      The Q3 specifications shown below provide the engineer with basic data such as noise and distortion. To truly understand the 'functionality' of the device, one is better served by reviewing the various frequency curves that are shown on the using page. Or better yet... by actually listening the effect of the Q3 on voice, instruments and various program material. The Radial Q3 is not about clinical – it is about creatively applying the effect of a coil to add excitement to your music.
      Specifications are subject to change without notice.
      Audio circuit type: Coil/Capacitor/Resistive Boost and Cut Filters
      Frequency response: 20Hz-20KHz +/- 1dB in non EQ positions
      Dynamic range: 112dB
      Noise floor: -90dBu filters off (-87dBu filters on)
      Maximum input: +20dBu
      Total harmonic distortion: 0.003% @ -0dBu @ 1kHz
      Inter-modulation distortion: 0.002% (0dBu input)
      Input impedance: 12k Ohms, balanced
      Output impedance: 440 Ohms balanced
      High pass filter: -3dB @ 150Hz
      Gain: 7dB (maximum output, no filters)
      XLR configuration: Balanced I/O, AES standard (pin-2 hot)
      Current draw: 25mA
      Shipping Size: Size: 9" x 6.25" x 2" (228 x 159 x 51mm)
      Weight: 1.5lbs (0.7kg)
      Compliance (API):  Yes
      Compliance (WHOS-Doc):  Yes
      Conditions: For use in dry locations only between 5°C and 40°C
      Warranty: Radial 3-year, transferable

      Requires 500 series rack that meets power requirements
Need more info on the Q3 ? Click HERE for the Radial Engineering website >>>