Redback Balanced Mic Line Input Pre-Amplifier and Mixer

Features two line inputs and one mic input, each with its own level control. The mic input can be configured for either balanced or unbalanced operation. All inputs are mixed to a single line level output. It can be powered from either a single rail power supply (15V to 30V dc), or a dual rail power supply (±12V to ±30V dc). 
PCB dimensions 100 x 57 mm.

Specifications                                                                                                                                                                                                     

• Microphone gain: 60 dB
• Mic input sensitivity: 0.7 mV rms
• S/N ratio: 10 mV input -74dB
• Frequency resp.: 150Hz to 20kHz , -3dB
• Line. gain: 14dB
• Line. input sensitivity: 200mV
• Line. S/N ratio: 500mV input -77dB
• Line. freq. resp.: 30Hz to 20kHz, -3dB