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Eureka Microphone Preamplifier user manual 2 . 4 E Q U A L I Z E R, Controls & Connections

Models: Microphone Preamplifier

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CONTROLS & CONNECTIONS

2 . 4 E Q U A L I Z E R

The EQ is divided into three sections or bands (Low, Mid and High) Each band has the following controls:

GAIN: Controls the amount of cut or boost of the corresponding frequency. Each gain control offers +/-10dB of attenuation.

FREQUENCY: Selects the center frequency of equalization. If the gain is set to 0, this control will have no effect.

Q (Bandwidth): Controls the width of the frequency being adjusted. Q is defined as the ratio of the center frequency divided by bandwidth. If the gain is set to 0, this control will have no effect. The Q on the Eureka ranges from 0.4 (wide) to 2.0 (narrow). In octaves the Q on the Eureka ranges from 3 octaves to 2/3 octaves.

BYPASS: When pushed in, the EQ is no longer equalizing the signal.

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Eureka Microphone Preamplifier user manual 2 . 4 E Q U A L I Z E R, Controls & Connections

Contents

version M I C R O P H O N E P R E A M P L I F I E RC O M P R E S S O R P A R A M E T R I C E Q U A L I Z E RPreSonus Limited Warranty PreSonus Audio Electronics, Inc 7257 Florida BlvdBaton Rouge, LA TABLE OF CONTENTS 1 Overview2 Controls & Connections 3 Operation1OVERVIEW 1 . 1 I N T R O D U C T I O N1 . 2 F E A T U R E S OVERVIEW OVERVIEW Master Section2 CONTROLS & CONNECTIONS 2 . 1 F R O N T P A N E L B A S I C L A Y O U TCONTROLS & CONNECTIONS Compressor SectionEqualizer Section Master Section2 . 2 P R E A M P L I F I E R CONTROLS & CONNECTIONS2 . 3 C O M P R E S S O R CONTROLS & CONNECTIONSBasically, as you turn the Threshold knob counter-clockwise,the input signal is compressed. If you have a ratio setting of greater than 1:1 CONTROLS & CONNECTIONS2 . 4 E Q U A L I Z E R CONTROLS & CONNECTIONS2 . 5 M A S T E R 2 . 4 B A C K P A N E L B A S I C L A Y O U TConnectors CONTROLS & CONNECTIONS2 . 7 P O W E R S U P P L Y CONTROLS & CONNECTIONS3 OPERATION 3 . 1 M I C R O P H O N E S3 . 2 S E N D A N D R E T U R N OPERATION 3.3 192K/24-BITDIGITAL OUTPUT CARD OPTIONAL3 . 4 A P P L I C A T I O N S E T T I N G S 1.VocalOPERATION 2.Acoustic Guitar 3.Electric GuitarOPERATION 4.Bass Guitar 5.KeyboardsOPERATION 6.Kick Drum 7.SnareOPERATION 8.Drum Overheads OPERATION4 TECHNICAL EUREKA SPECIFICATIONSMicrophone /Instrument Preamplifier CompressorTECHNICAL EqualizerMaster Physical