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Crown xti 2 noise?
Crown xti 2 noise?
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Old 26th December 2017, 06:27 PM   #11
GeorgK is offline GeorgK  Austria
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Where should noise come from with just one meter of cable lenght? This is a line-level signal with low output impedance.
Interference will not occur. And I would not expect a ground loop when wiring is done correctly.
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Old 26th December 2017, 07:35 PM   #12
conanski is offline conanski  Canada
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Join Date: Mar 2013
Quote:
Originally Posted by GeorgK View Post
Where should noise come from with just one meter of cable lenght? This is a line-level signal with low output impedance.
Interference will not occur. And I would not expect a ground loop when wiring is done correctly.
Induced noise from an external source is not the problem here, it is the noise floor of all the equipment in the signal chain that gets amplified along the way and becomes a very obvious "hiss" when the tweeter in use has something like 110db sensitivity. A balanced interconnect system(cable and preamp) by function of it's design cancels any signal(like noise floor hiss) common on both + and - signal lines.
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Old 26th December 2017, 08:26 PM   #13
GeorgK is offline GeorgK  Austria
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Of course, if you have a balanced source, keep it balanced.
But a noise signal that is already present will not be cancelled by a balanced interconnection, that's why I said it's possibly not worth the effort to convert an unbalanced source, if not by really expensive audio transformers... And additional noise will probably not be induced.

The question was, as I understood, about the noise floor the XTi...

Well I never tried this, let alone in a home environment, but I would consider that the Crown is a quite big amplifier capable of delivering at least 500W or so (depending on the model), which really is a lot and probably far more than a 1" compression driver will ever need at home. Maybe too high for hiss-free home use. And it has a built-in DSP. Noise level and overall performance will not be better than the DSP permits. If I would have to make the decision for myself I would look for a supplier that gives me a chance to try it out before buying.

Regarding the Anaview, I would not put a Class D amp into a HF path, but maybe I'm just old-fashioned
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