earwaxer;459731 Wrote: > I would not want to use the Transporter volume control for more than > 10db or so, to avoid any significant loss of data. Its mostly a paranoia > thing. I really havent noticed a sound difference from loss of signal > due to the digital volume control./QUOTE] > > The digital volume control doesn't really work that way. There is no > 'significant loss of data'. The transporter volume control is done in > 24 bits (144dB) so the "errors" generated by volume control are well > below the noise floor of just about all the amplifiers out there. > Basically it's below the SNR of the transporter itself (120dB). > > What the jumpers are intended for is to allow matching of the > transporter to amplifiers and pre-amplifiers that have too much input > gain and distort when given too much signal. It can also be used for > no-volume-control amplifier only setups where the transporter is the > only source of control and maximum output of the transporter would be > either too loud or damage the speakers. > > Other situations where you might want to adjust the jumpers would be if > you had a quiet component that you switch between on your pre-amplifier > and the transporter seems much louder than the other component. Or if > you are worried about someone cranking the volume on your pre-amp all > the way up and turning on the transporter causing speaker damage. > > If you control the volume mostly with the amplifier's POT, you will > want to set the jumper to 0dB (max) so that you get the highest SNR > signal sent from the transporter to the amplifier.
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