Neve 1272 Schematic [best] Link

Because original modules have become nearly impossible to find, a massive DIY and boutique market has emerged. Brent Averill 1272 and 1073 preamp the same - Gearspace

The genius of the 1272 lies in its simplicity. It relies on vintage, discrete components designed to handle high-level signals. A. The BA283 NV Card (The Heart) Neve 1272 Schematic

The is often called the "holy grail" of DIY outboard gear. Originally a line amplifier used in vintage 80-series consoles, it’s famous for being easily "modded" into a standalone 1073-style microphone preamp. Because original modules have become nearly impossible to

Steps down the signal and provides balancing. Neve 1272 Schematic