Peter C 5003 EQ

Projects > Peter C 5003 EQ

The 5003 is a 3-band EQ based on the API 553 for the 500-series.  Each band is switchable between two different frequencies and can provide up to 15dB of boost or cut.

Images courtesy of Peter Cornell

Notable Features:

  • Inductor-based
  • Output transformer similar to the API 2503
  • Accepts any 2520-style opamp

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