Manual: Soundtracs Topaz 12 4
: Users have reported occasional "buzz" issues caused by loose ground wires under the top panel; securing these with lock washers can often quiet the board.
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 Soundtracs Topaz 12 4 Manual
If your manual search is due to confusion over routing, remember that Soundtracs consoles often use a Flip switch : Users have reported occasional "buzz" issues caused
Effects and aux: