This is a used D.A.V. Electronics Broadhurst Gardens No.3 stereo mastering equaliser.
The DAV Electronics BG3 is a high-quality 4-band mastering EQ with +/-2.5dB of gain, fixed 60Hz high-pass filter and clicked detented controls
Designed by Mick Hinton and is based on the EQ he originally built for the legendary Decca Studio. It boasts two bell mid-band as well as Low and High shelves with boost and cut of 2.5dB in 0.5dB steps.
Extremely gentle and musical, this 2U mastering EQ offers low noise and low distortion performance and has balanced inputs and outputs.
This particular D.A.V. Electronics Broadhurst Gardens No.3 is in fantastic condition.