Eureka - V 3.0 User Manual Download Page 1

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EUREKA

M 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 R

P A R A M E T R I C E Q U A L I Z E R

USER’S MANUAL

version 3.0

2003-2007, P r e S o n u s A u d i o E l e c t r o n i c s , I n c o r p o r a t e d .

A l l r i g h t s r e s e r v e d .

Summary of Contents for - V 3.0

Page 1: ...REKA M 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 R P A R A M E T R I C E Q U A L I Z E R USER S MANUAL version 3 0 2003 2007 PreSonus Audio Electronics Incorporated All rights reserv...

Page 2: ...laims for damage due to abuse neglect alteration or attempted repair by unauthorized personnel and is limited to failures arising during normal use that are due to defects in material or workmanship i...

Page 3: ...1 Front Panel Basic Layout 7 2 2 Preamplifier 9 2 3 Compressor 10 2 4 Equalizer 12 2 5 Master 13 2 6 Back Panel 13 2 7 Power Supply 14 3 Operation 3 1 Microphones 15 3 2 Send and Return 15 3 3 192k 24...

Page 4: ...udio or live sound environments We would like to suggest that you use this manual to familiarize yourself with the features applications and correct connection procedure for your EUREKA before trying...

Page 5: ...of uneven performance often encountered with vacuum tube devices no tube to pick up RF or to age and become microphonic Variable Microphone Input Impedance This feature enables you to tune your micro...

Page 6: ...hes the order of the signal chain putting EQ before the Compressor Master Section Gain Reduction to Meter Shows gain reduction on the meter implemented by the compressor Level The output of the EUREKA...

Page 7: ...he 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 P...

Page 8: ...on Level Control Attack Release Ratio Threshold Gain Soft Knee Switch Bypass Switch Hi pass Sidechain Filter Equalizer Section 3 Band Parametric 80 Hz Filter Switch Bypass Switch Master Section Level...

Page 9: ...ing amplified by the EUREKA The effect of manipulating the harmonic distortion is of increasing or decreasing the apparent warmth of the signal This feature is derived from manipulating the drain curr...

Page 10: ...ter When pushed in the 80Hz button causes all frequencies below 80Hz to be attenuated dropped by 12dB This filter can be handy in live and studio applications For example the 80Hz filter can help to r...

Page 11: ...o and Threshold settings of the compressor RELEASE Sets the length of time the compressor takes to return the Gain reduction back to zero no gain reduction Very short Release times can produce a very...

Page 12: ...ects 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 cente...

Page 13: ...er for the entire processing strip It is useful for adjusting the overall output level up or down to match the optimum input level of a recorder mixer etc GR TO METER When pushed the VU meter reads Ga...

Page 14: ...ss devices such as reverbs delays de essers etc NOTE The LINE IN jack does not work unless the LINE button on the front of the unit is pushed in 2 7 P O W E R S U P P L Y The Power Jack on your EUREKA...

Page 15: ...o select from 50 150 600 1500 and 2500 Refer to your microphone specifications to find the microphone output impedance and experiment with matching the Eureka s input impedance with the microphone s o...

Page 16: ...d is available as an option for the PreSonus EUREKA It has AES EBU and SPDIF output connectors as well as an auxiliary TRS analog Line input connector The card has a selectable sample rate of 192kHz 9...

Page 17: ...gs do not include the main preamplifier controls GAIN IMPEDANCE and SATURATE Set these preamplifier controls with the compressor and EQ in bypass for initial levels and tonal quality Use the 80Hz hi p...

Page 18: ...ettings LOW MID HIGH EQ Comp Q Gain Freq Q Gain Freq Q Gain Freq Out n a 0 n a Nar 2 3k Wide 3 18 5k Nar Narrow Q 3 Electric Guitar Compressor settings Thresh Ratio Gain Soft Bypass Attack Release SC...

Page 19: ...IGH EQ Comp Q Gain Freq Q Gain Freq Q Gain Freq Out Wide 6 85 MN 3 2 2k n a 0 n a MN Medium Narrow MW Medium Wide 5 Keyboards Compressor settings Thresh Ratio Gain Soft Bypass Attack Release SC HP 22...

Page 20: ...ualizer settings LOW MID HIGH EQ Comp Q Gain Freq Q Gain Freq Q Gain Freq In Wide 8 60 Nar 8 400 Wide 6 2 5k 7 Snare Compressor settings Thresh Ratio Gain Soft Bypass Attack Release SC HP 22 6 4 In Ou...

Page 21: ...verheads Compressor settings Thresh Ratio Gain Soft Bypass Attack Release SC HP 22 5 Fast Out Out Fast Med 400 Equalizer settings LOW MID HIGH EQ Comp Q Gain Freq Q Gain Freq Q Gain Freq Out Wide 4 40...

Page 22: ...dance 1 Meg Ohm Send Connector 1 4 TRS Balanced Unbalanced Send Output Impedance 51 Ohms Return Connector 1 4 TRS Balanced Unbalanced Return Input Impedance 10K Ohms Metering 3 LED 20dBu 0dBu Clip Lin...

Page 23: ...Impedance 51Ohms Metering Output level Analog VU 20dBu 6dBu Metering Gain reduction Analog VU 20dB 0dB Output Headroom 22dBu Physical Power Supply Internally Regulated Linear Type Power Requirements...