I love its clean sound, also surprised at how 'no' noise it has. Super noise free on my 500ADAT rack unit.
Except, I may have to state this for other customers. Knobs dententions 'do not' preceisely match the lettering above, meaning,
I was keep on forcing to rotate it, but in fact it was already 30hz on LF.
My unit has slightly right-tilted knobs detentions. I am not sure about others, but mine has this weird issue. (so mine, goes right above 'in-between 30 and 50 = that is 30hz, it apples for all other knob positions too)
Other than that, sound-wise, flawless.