Routing and monitoring are where the "4-bus" designation truly shines. The manual details how users can group channels—such as a drum kit across several inputs—into a single pair of faders (subgroups 1-2 or 3-4). This simplifies the mixing process, allowing for global volume adjustments of entire instrument groups. Furthermore, the mixer includes two auxiliary sends. Aux 1 is typically used as a pre-fader send for headphone monitor mixes, ensuring performers hear themselves regardless of the main mix levels. Aux 2 is generally post-fader, intended for sending signals to external effects processors like reverb or delay units.
Nothing beats grabbing a physical fader or twisting a real EQ knob. It changes the way you mix—making it more performance-based and less visual. Soundtracs Topaz 12 4 Manual
The "12-4" designation refers to the console’s configuration: feeding 4 Subgroup Outputs . It is important to note that while the standard modules are mono, the master section usually supports stereo monitoring, effectively making it a 4-bus stereo mixer. Routing and monitoring are where the "4-bus" designation
Known for its "musical" 3-band EQ (High at 12kHz, Mid at 2.5kHz, Low at 80Hz). 2 Aux sends, 2 Stereo FX returns, and Stereo Tape I/O. Furthermore, the mixer includes two auxiliary sends