The right-hand section of the console houses the master routing capabilities, tape returns, and global monitor controls. Subgroups (1-4)
Fixed shelving control at 80Hz. Adds low-end warmth or cuts out low-frequency rumble. Auxiliary Sends (Aux Section)
A sweepable or fixed mid-range control (depending on the exact production run variant). Crucial for carving out muddiness (around 250Hz - 500Hz) or adding presence to electric guitars (around 2kHz - 3kHz).
with these older consoles, like power supply problems. Share public link Soundtracs Topaz 12 4 Manual
Note that AUX outputs and stereo inputs are unbalanced.
A shelving control fixed at 80Hz. Boost for low-end punch in kick drums and bass guitars; cut to eliminate low-frequency rumble or stage noise. 3. Auxiliary Sends (Aux 1 - Aux 4)
Because the Soundtracs Topaz 12-4 is a vintage console, regular maintenance keeps it running smoothly. Scratchy Pots and Faders The right-hand section of the console houses the
Press to use the main channel path for input while monitoring via the "Monitor" path. Mixdown
The Topaz 12/4 uses a 5-pin XLR connector for its external power supply (usually the PS-424 or PS-450). Without the manual, you won’t know the pinout. Here it is, verified by multiple owners:
Spray a small amount of specialized electronic cleaner (like DeoxIT D5) directly into the problematic pot or fader. Move the control back and forth 30 times to distribute the cleaner and remove debris. No Sound Output Auxiliary Sends (Aux Section) A sweepable or fixed
Raise the Master Left/Right faders to the (unity gain) mark.
4 mono mic/balanced line channels (with inserts) and 4 balanced stereo line channels .
Connect the of the Topaz to Inputs 1-4 of your audio interface. Route your instruments into Channels 1-12 of the Topaz.