One evening, he discovered the power of the . By routing his drums through Groups 1 and 2, he could compress the entire kit together before it ever hit the master fader. The manual (which he treated like a sacred text) taught him that even though the machine was set to -10dBv, it had the soul of a high-end desk.
| Feature | Specification | | :--- | :--- | | | 12 total (4 mono mic/line channels with inserts + 8 stereo line channels) | | Channel EQ | 3-band on every channel (includes Low and High shelving) | | Channel EQ Frequencies (Original Topaz) | High Shelving @ 12kHz (±15dB), Mid Band-Peaking w/ fixed frequency (likely ~1-2kHz)(±15dB), Low Shelving @ 80Hz (±15dB) | | Aux Sends | 2 Aux Sends per channel (pre or post-fader switchable) | | Groups/Buses | 4 Group Buses, routable to the main stereo mix | | Main Outputs | Balanced XLR Stereo Main Outputs | | Group Outputs | 1&2 Stereo Group Outputs (likely unbalanced 1/4") | | Tape I/O | Dedicated Stereo Tape In and Tape Out (RCA/Phono, -10dBV nominal level) | | FX Returns | 2 Stereo FX Returns (1/4" TRS) | | Other Outputs | Mono Output, Headphone Output | | Phantom Power | Global +48V phantom power for all mic inputs | | Build Quality | Solid steel chassis, plastic end cheeks | | Power Supply | External, silent, fanless power supply unit (PSU) | | Manufacturing Date | Circa 1996 | Soundtracs Topaz 12 4 Manual
Designed for classic 4-track tape workflow or 4-channel DAW return monitoring. One evening, he discovered the power of the
Features 4-bus (Group) outputs for advanced sub-mixing. | Feature | Specification | | :--- |
: Dust and oxidation cause crackling sounds when turning knobs. Fix this by spraying a high-quality electronic cleaner (like DeoxIT D5) directly into the component casing and rotating the knob back and forth 30 times.