LaChapell Audio 503

LaChapell Audio Model 503 is an equalizer for the 500 series, manufactured by LaChapell Audio.

History
The LaChapell Audio 503 was released in 2011.

Official description
The Model 503 500 series EQLa, like its counterpart found on the 583e, offers up very low distortion signature and minimal phase deviation; it is an extremely clear and transparent EQ design. Additionally, we’ve added some capabilities to the 503 not found on the 583e, specifically: Cut/Boost range increased to +/- 12dB Low pass filter at 5k & 10k High pass filter at 50hz & 150hz +/- 6dB overall trim gain stage.