API 3124 mb+ 4 preamplificadores / fx snd-rtn / mixer perfecto estado 3500 U$S o blue de la fecha Legendary API discrete circuitry Uses classic API 2520 op-amps Variable-output level control Onboard stereo mixer and AUX send/return 4 rear-panel female XLR mic inputs 4 front-panel 1/4" hi-Z instrument inputs Front-panel polarity-reverse switches, per-channel Front-panel -20dB pad switches, per-channel Front-panel mic/instrument switches, per-channel Front-panel 48V power switches, per-channel Rear-panel XLR channel outputs Rear-panel balanced 1/4" stereo monitor outs Rear-panel balanced 1/4" Aux send and return