4. CONTROLS
SM PR8 front panel
The SM PR4 has four independent pre-amplifiers channels. The unit provides variable rotary
gain controls, phantom power and peak indicator lights per channel.
4.1 The front panel rotary gain controls
Each channel features a rotary gain control for variable adjustment of the desired pre-amplifier
level.
4.2 The Back panel phantom power switches
Each channel features a phantom power supply for enabling the supply of 48v through the XLR
input connector to power condenser microphones. Each Switch controls 2 channlels.