file Triton Reference Rumble Noise

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charliehatch Posted 1 month 4 weeks ago
#28766
Yes, it's strange, isn't it. Maybe it was the 5 GHz. But now, with the speakers in an only slightly different location than they were, I hear no noise at all.

Bizarre.
PS Audio P20 feeds all components of 2.0 System: Auralic Aries G2> Coax > DSPeaker Anti-Mode X4 DAC/Pre > Core Power Diamond XLR interconnects > Bel Canto e.One Ref600M monoblocks > Core Power Diamond banana speaker cables > Triton References > IsoAcoustics Gaia II isolators

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charliehatch Posted 1 month 4 weeks ago
#28773
Guys,

My speaker rumble noise is still gone, but here's a little follow up idea on what may be happening. .

An engineer friend of mine suggested that the rumble noise may be originating as a beat frequency between two wifi points operating at the same frequency. Even though they may be operating on the same channel, there can be a small difference in their "carrier" frequencies. In the 5 GHz band, a frequency difference of 100 Hz or so is very small and quite possible.

Add to this the fact that, about the time the noise problem started, I installed a Google Wifi mesh system. (My previous system had a single point.) I use two Google mesh points. In the 2.4 GHz band, the two points operate on different channels, but in the 5 GHz band, they operate on the same channel. (I haven't found a way to manually set the channel on these things.) So a slight difference in the actual operating frequencies could produce a beat that could conceivably modulate the subwoofer amp audio signal in some way.

Moving the speakers probably changed the relative strength of these mesh signals (and possibly neighbor's signals as well).

The internal circuit in the sub amp system is vulnerable to this noise, and that remains a problem.


Charlie
PS Audio P20 feeds all components of 2.0 System: Auralic Aries G2> Coax > DSPeaker Anti-Mode X4 DAC/Pre > Core Power Diamond XLR interconnects > Bel Canto e.One Ref600M monoblocks > Core Power Diamond banana speaker cables > Triton References > IsoAcoustics Gaia II isolators
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