Tom Rauch wrote:
> There are a few systems available like that. One has no phase
> rotation (even though it has a phase shift knob), and it doesn't work
> at all except by blind luck. Another shifts phase, but also shifts
> amplitude severely and so has limited effectiveness and is hard to
> use. And one system shifts phase almost perfectly and has little to
> no amplitude variation as phase is shifted.
I suspect two of the systems you are referring to above are the JPS
ANC-4 and the MFJ unit, but I'd like to know the identity of the system
that "shifts noise almost perfectly and has little to no amplitude
variation as phase is shifted." Sounds like a neat trick. I utilize the
ANC-4 and it fits your description of the unit that "shifts noise but
also shifts amplitude severly and so has limited effectiveness."Fill us
in on this wonder unit, please.
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