Users often praise the fixed-frequency EQs for their natural, musical response curves. The mid-range is typically preset at 1 k cap H z
Have you owned a Topaz? Did you ever find the manual? Let me know in the comments—or if you still have a physical copy, lock your doors. I’m coming to scan it. Soundtracs Topaz 12 4 Manual
The modular channel strips make it easy to remove individual boards for "recapping" (replacing old capacitors), which can significantly restore clarity to the low end. Helpful Resources Users often praise the fixed-frequency EQs for their
High-quality technical diagrams and schematics can often be found on the Internet Archive . Soundtracs Topaz 12 4 Manual
: Straightforward 3-band fixed EQ (12kHz, 2.5kHz, and 80Hz) providing of cut or boost.