Soundtracs Topaz 12 4 Manual _top_ Direct

If you hear crackling when turning a knob, a small amount of DeoxIT cleaner usually solves the issue.

Adjust this first to get a healthy signal level without clipping (using the PFL button to check levels). Soundtracs Topaz 12 4 Manual

The "4" in "12-4" refers to the Groups. According to the manual, these are designed to simplify your mix. If you hear crackling when turning a knob,