4-bus architecture (stereo main L/R plus one stereo subgroup). Frequency Response: 20Hz to 30kHz (+/- 1dB). Crosstalk: Better than 85dB. 1. Input Channel Layout
If your unit didn't come with a physical copy, several online archives host PDF versions. Look for "Soundtracs User Groups" or sites like HiFi Engine or ManualsLib . Having the schematic (usually found in the back of the manual) is also vital if you ever need a technician to service the unit. Conclusion
This controls the overall output volume of the mixer. It feeds the main mix outputs linked to your studio monitors or master recording deck. Studio Control Room & Headphones Section Soundtracs Topaz 12 4 Manual
If you have a clean PDF of the Topaz 12:4 manual, please, for the love of Rupert Neve, upload it to Archive.org. There is a guy in a basement right now staring at his 12:4, sweating, wondering why "Buss 3" smells like smoke.
Typically configured as post-fader. Best used for routing signals to external effects processors like reverbs and delays. Fader and Routing Section 4-bus architecture (stereo main L/R plus one stereo
: 4 mono mic/balanced line channels with inserts, plus 4 balanced stereo line channels. EQ Section
: Generally switchable between Pre-Fader (for stage monitors/cue mixes) and Post-Fader (for effects). Having the schematic (usually found in the back
Each of the 12 mono channels features an identical vertical layout. Understanding one channel allows you to operate the entire board. Input Section