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ADI-2/4 Pro SE: Digital Phono Preamp (RIAA Mode) Explained

RME’s ADI-2/4 Pro SE comes with an unusual digital RIAA mode, removing the need to use an external phono preamp in front of the ADI-2/4’s line inputs. This video explains in detail how this new mode is designed, operates and measures. This video includes measurements from Audio Science Review, https://www.audiosciencereview.com An independent review of the ADI-2/4 Pro SE RIAA functionality can be found here: https://www.audiosciencereview.com/fo... 00:00 - Intro 00:25 - The ‚Analog’ RIAA Preamp 01:21 - RIAA Curve Explained 01:57 - Challenges for the Analog Preamp 02:47 - Turning the ADI into an RIAA Preamp 02:58 - ASP (Audio Signal Processor) 03:23 - Step 1: Impedance Matching 03:48 - Step 2: Noise from Line and ADC 04:51 - Step 3: Headroom 05:14 - Step 4: Optimization 05:46 - RIAA Mode Implementation Overview 06:54 - RIAA Mode Implementation in Detail 07:16 - RIAA Digital Processing in Detail 07:40 - Mono Bass 08:14 - Let’s Compare --------------------------------------------- Make sure you subscribe to our channel: http://www.youtube.com/user/RMEAudio?... Follow RME Audio on Facebook: http://rme.to/facebook Follow RME Audio on Twitter: http://rme.to/twnews