Fredenstein Artistic EQ 500 Series Equalizer Module

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Artistic EQ
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  • Fredenstein Artistic EQ 500 Series Equalizer Module
  • Fredenstein Artistic EQ 500 Series Equalizer Module


Artistic EQ

The Fredenstein Artistic EQ, a three band equalizer for 500 series racks, provides best-in-class audio performance and flexibility. Open sounding, easy to use, and with our Color technology; the Artistic EQ can handle any program material in live and studio applications.

The centerpiece of the Artististic EQ is the OPA2 discrete audio operational amplifier. As all Fredenstein products, it is not a copy of an older design, but a proprietary design manufactured in SMT technology. Matched and integrated dual input transistors guarantee vastly improved specifications compared to older designs. The OPA2, following the tradition of well known manufactures, is socketed and can be exchanged without tools.

The sound is further defined by the American-made steel-core output transformer, which is known for its smooth vintage sound without being dark or just “mid-rangy”. The low and high frequency filters can be switched between Bell or Shelf . The gain range for each filter is +- 14 dB. To facilitate sound comparisons, a true “hard” bypass is available when EQ IN is not engaged.

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  • Frequency Response: 20 Hz – 20,000 Hz, +/- 0.2dB
  • Distortion: < 0.02%
  • S/N Ratio: > 90 dB at 0dB gain
  • Input Impedance: > 10KOhm
  • Max. Input Level: + 24 dBu balanced
  • Output Impedance: 600 Ohm
  • Max. Output Level: + 26 dBu balanced
  • High Freq Filter: 2 KHz – 20 kHz
  • High Freq Gain: +/- 14 dB
  • Mid Freq Filter: 300 Hz – 3000 Hz
  • Mid Freq Gain: +/- 14 dB
  • Low Freq Filter: 30 Hz – 300 Hz
  • Low Freq Gain: +/- 14 dB
  • Filter Q: Frequency dependent
  • Power Consumption: +/- 16 V, +/- 70 mA (600 Ohm load)
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