Eureka Microphone Preamplifier user manual Controls & Connections

Models: Microphone Preamplifier

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The front panel of the EUREKA is divided into four sections – Preamplifier, Compressor, Equalizer and Master.

Preamplifier section:

•Gain Control

•Impedance Control

•Saturation Control

•+48 Volt Switch

•-20db Pad

•Phase Reverse Button

•80Hz Filter

•Line Input Select Button

•LED Input Meter

Image 7

Contents

P A R A M E T R I C E Q U A L I Z E R versionM I C R O P H O N E P R E A M P L I F I E R C O M P R E S S O RPreSonus Audio Electronics, Inc 7257 Florida Blvd PreSonus Limited WarrantyBaton Rouge, LA 3 Operation TABLE OF CONTENTS1 Overview 2 Controls & Connections1 . 1 I N T R O D U C T I O N 1OVERVIEW1 . 2 F E A T U R E S OVERVIEW Master Section OVERVIEW2 . 1 F R O N T P A N E L B A S I C L A Y O U T 2 CONTROLS & CONNECTIONSMaster Section CONTROLS & CONNECTIONSCompressor Section Equalizer SectionCONTROLS & CONNECTIONS 2 . 2 P R E A M P L I F I E RCONTROLS & CONNECTIONS 2 . 3 C O M P R E S S O RCONTROLS & CONNECTIONS Basically, as you turn the Threshold knob counter-clockwise,the input signal is compressed. If you have a ratio setting of greater than 1:1CONTROLS & CONNECTIONS 2 . 4 E Q U A L I Z E RCONTROLS & CONNECTIONS 2 . 5 M A S T E R2 . 4 B A C K P A N E L B A S I C L A Y O U T ConnectorsCONTROLS & CONNECTIONS 2 . 7 P O W E R S U P P L Y3 . 1 M I C R O P H O N E S 3 OPERATION3 . 2 S E N D A N D R E T U R N 3.3 192K/24-BITDIGITAL OUTPUT CARD OPTIONAL OPERATION1.Vocal 3 . 4 A P P L I C A T I O N S E T T I N G SOPERATION 3.Electric Guitar 2.Acoustic GuitarOPERATION 5.Keyboards 4.Bass GuitarOPERATION 7.Snare 6.Kick DrumOPERATION OPERATION 8.Drum OverheadsCompressor 4 TECHNICALEUREKA SPECIFICATIONS Microphone /Instrument PreamplifierPhysical TECHNICALEqualizer Master