I don’t know how the Equinox GB numbers relate to the 705, but I think it’s important to note that ground balance numbers don’t truly correlate to high or low mineralization. Ground phase numbers are indicative of the
type of mineralization, not necessarily the
amount of mineralization. See the excellent discussion linked below, but the first two posts cover the meat of the topic:
Detectorprospector.com thread: GB Numbers = Mineralization?