SC5000 Digital Signal really hot

Pioneers are the only full digital mixers with gain/trims for the analog inputs prior to the ADCs, which is why their meters are kind of goofy for that purpose and people would complain prior to the NXS2 of clipping them sometimes. I think everyone else does them with fixed input gain, a lot of headroom, and the gain/trim knobs are just digital domain.

Which would be kinda irrelevant in the pion forum and even less so anywhere else

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You asked for it! Some digital DJ mixers have actual gain controls for analogue signals: the old Tascam X-9, which wasn’t a fully digital mixer, and the fully digital Pioneers.

It’s not irrelevant here or there. People are in danger of clipping the Pioneer digital mixers prior to the DJM-900NXS2 that don’t have the input clip word indicators. In order to maximize S/N ratio with analog inputs on the digital Pioneers, as on analog mixers, you need to make sure your gains are higher rather than lower without clipping, but then you have to be careful with their meters and digital domain EQs.

On all other fully digital DJ mixers, there are no actual analog signal gain/trims as it’s fixed-gain to the ADCs, and the gain/trims are just digital domain PFL volumes and how you set these knobs makes little difference except, for instance, how loud it’s sending to the headphone jack and everything else lower. So if you’ve got two cues selected at the same time and are checking a blend, the gain/trims on the X1800 mostly serve to get the volumes the same in your headphones… assuming you’re not lighting up the top meter LEDs. We don’t know, but if the DSP on the X1800 is float, you could be lighting that top channel LED and it probably wouldn’t even matter.

In case you forgot, the original poster was complaining about hot inputs on the X1800.


FWIW, the x1700’s digital input matches the analog input level when the digital input attenuators are set in the Utility to -14. At the default -8 they’re still hotter.

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