Commodore C128D: SID Soundchip Digifix
Channel: Leading Motive
Date: 2018-04-04

See why the 8580 Sound chip (SID) in the Commodore C128D-CR requires some help to play back digital sounds at an acceptable volume, and how to implement the fix easily.

To help with the comparison, I had one C128D (earlier model with SID 6581) and one C128D-CR (cost-reduced model with SID 8580). In this video, the Digifix is implemented on the latter. 

The individual sections are:
0:08 What is a Digifix?
1:51 Sound comparison of SIDs 6581 and 8580
2:41 Removing the Digifix
4:34 Fixing the Digifix
6:25 Digifix fine-tuning
8:01 Cleaning up
8:43 Digifix fixed!

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