: High-end mods often involve recapping the power supply or swapping stock op-amps for Burr-Brown Linear Technology units (like LT1358) to increase clarity and "air". Where to Find the Manual
If you have a clean PDF of the Topaz 12:4 manual, please, for the love of Rupert Neve, upload it to Archive.org. There is a guy in a basement right now staring at his 12:4, sweating, wondering why "Buss 3" smells like smoke. Soundtracs Topaz 12 4 Manual
The Master Section is your control center. : High-end mods often involve recapping the power
This guide is community-sourced. For the factory manual, search “Soundtracs Topaz Project 8 manual” (similar signal flow). The Master Section is your control center
Often, this is caused by a loose grounding lug. Open the chassis and check the grounding wire; adding a lockwasher to the terminal lug often solves the issue.