snr

Good morning everyone, my name is Riccardo and I am new to the forum and the world of sound systems. I have a question regarding the technical characteristics of a DAC versus those of an AMP: by comparing products of the same brand (e.g. SMSL) I noticed that the SNR and THD+N of ADCs or...

I have a Rotel RC-1590 preamp and have noticed that when it's not muted there is an audible hiss from my tweeters. This prompted me to hook up my QuantAsylum 402 analyzer and measure the SNR to see what was up. The spec on the Rotel web page lists the 'IHF "A" Weighted' SNR for digital inputs at...