So after much work we have now created the ultimate ladder stepped attenuator available in Mono or Stereo formats. Featuring the 47 step series of switches from Elma combines with the the Takman carbon film of metal film resistors. Due to the complexity of build we are only offering this as a build product.
To read more about the stereo version visit https://www.hificollective.co.uk/catalog/gh-47-step-stereo-ladder.html
and visit here https://www.hificollective.co.uk/components/attenuator/gh-47-step-mono-l... for the mono.