ProFX12 mixer no power repairs" 

ProFX12 Features
Professional 12-channel Compact Mixer with onboard effects and USB I/O
6 low-noise, high-headroom Mackie mic preamps with easy LED metering
32-bit RMFX processor with 16 "Gig-Ready" reverbs, choruses and delays
Precision 7-band graphic EQ for tuning Mains or Monitors
USB I/O for recording shows and music playback via Mac or PC
4 full stereo channels plus extra stereo return for keyboards, external effects or stereo playback devices
60mm faders for input channels, returns and Main/Monitor masters
3-band active EQ (80Hz, 2.5kHz and 12kHz) on all channels
Hi-Z input for direct connection of guitar, bass and other instruments
Insert, 100Hz low cut filter, and 48V phantom power on all mic channels
Stereo RCA tape I/O with input level control
Headphone output with separate rotary level control
Balanced XLR and balanced/unbalanced 1/4-inch Main outputs
FX mute with remote control via footswitch
Break switch mutes all channels for music playback between sets
Built-like-a-tank steel chassis with rugged, yet stylish ABS sidecheeks