Phil Leigh;524399 Wrote: > Where did you read this? - there is some VERY LOW level, very high > frequency noise visible on the analogue outputs of the SB3, which is > probably breakthrough from the VFD display circuitry. > > There is no evidence of "pretty serious electrical noise issues" on the > s/pdif that I am aware of. Don't know about the SB3, but there is certainly some mains ripple on the ground plane of my SB2 (using the stock PSU), so it would appear on the screen of the coax SPDIF output. I'd guess that the same may be true of the SB3, since it uses pretty much the same internals as the SB2. Whether it might affect the analogue circuitry in a connected DAC will depend on the DAC itself, of course. If the DAC has a mains ground connection, the ripple should be shunted to earth.
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