I don’t own a Collibri but I do own a TS-590SG and a SunSDR2 DX.
Given my noise floor that is always S3-S5 on low bands, when comparing the two, they can both hear the same signals. The Sun makes those signals more pleasant to hear by a long shot, easier to understand.
The 590SG has a pretty incredible receiver for the money, but the NR, the ANC, the variable filtering, sharpness of filter skirts and on and on give the advantage to the SDR.
ExpertSDR3 is making the Sun a lot better as well.
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