Live Sound API | Api 3124V Discrete 4-Channel Mic/Line Preamp

Classic Api Circuit Design
Uses Api 2520 Op Amps
Variable Output Level Control
3:1 Output Transformer Tap Selection
Four Female Xlr Mic Inputs
Four Front Panel 1/4″ Hi Z Instrument Inputs
Front Panel Polarity Switches
Front Panel -20Db Pad Switches
Front Panel Mic/Instrument Switches
Front Panel 48V Power Switches