LaChapell Audio 503 500-Series EQ


500-series transformer-less 3-band EQ based on the 583e mic preamp module. Transparent and with minimal phase shift

The LaChapell Audio 503 is a 500-series 3-band EQ based on the 583e mic preamp module.

The LaChapell Audio 503 is a transformer-less, clean and transparent EQ producing very low distortion and minimal phase shift ensuring keeping the punch and detail of the incoming sound.

Each band offers +/-12dB cut or boost and continuous variable frequency control. Low-pass and High-pass filters are also included offering a 50Hz and 150Hz for the low frequencies and 5kHz and 10kHz high frequencies. In addition the 500-series EQ includes +/- 6dB overall trim gain stage.

LaChapell Audio 503 500-series EQ Overview:

  • Transformer-less EQ
  • Cut/Boost range increased to +/- 12dB
  • Low pass filter at 5k & 10k
  • High pass filter at 50hz & 150hz
  • +/- 6dB overall trim gain stage
  • Noise floor: -95dB
  • THD+N: 0.012% (@ +4 output)
  • Frequency response: 10hz to 50Khz (flat)
  • Cut/boost range: +/- 12dB
  • Max input Lvl: >24dB
  • Input Z: 48kohm
  • Input/output type: transformer-less

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