Soundcraft Spirit Live 4-2 Service Manual -

Features high-quality "Ultra Mic Plus" preamps with switchable +48V phantom power.

Spirit Live 4 2 | Soundcraft - Professional Audio Mixers | English Soundcraft Spirit Live 4-2 Service Manual

Most noise issues stem from faulty connectors. Use balanced lines whenever possible and cross audio and lighting cables at right angles to minimize interference. Hardware Modifications & Disassembly Soundcraft Spirit Live 4-2 Service Manual