Video by RME Audio via YouTube
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[wpas_products keywords=”RME-Audio-Interface”]
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/forum/index.php?threads/rme-adi-2-4-pro-se-riaa-mode-measurements.39941/
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
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