1 OVERVIEW
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1.1 INTRODUCTION
Thank you for purchasing the PreSonus EUREKA. PreSonus Audio Electronics has
designed the EUREKA utilizing high-grade components to insure optimum
performance for an infinite period of time. We believe the EUREKA to be an
exceptional sounding unit and an exceptional value. We encourage you to contact us
at 1-800-750-0323 with any questions or comments you may have regarding your
PreSonus equipment. PreSonus Audio Electronics is committed to constant product
improvement, and we value your suggestions highly. We believe the best way to
achieve our goal of constant product improvement is by listening to the real experts,
our valued customers. We appreciate the support you have shown us through the
purchase of this product.
Please pay close attention to how you connect your EUREKA to your system.
Improper grounding is the most common cause of noise problems found in studio 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 to hook it up to your system. Thank you, once again,
for buying our product and may we wish you Good Luck and enjoy your EUREKA!
1.2 FEATURES
The following information is a summary of your EUREKA’s features:
Microphone Pre-Amplifier. Your EUREKA contains a Class A discrete input
buffer followed by a dual servo gain stage. This arrangement results in ultra low
noise and wide gain control allowing the EUREKA user to boost desirable signal
without increasing unwanted background noise.
? 48 Volt Phantom Power. The EUREKA has 48V Phantom power
available. This assures optimum performance of your condenser
microphones that require Phantom power and that the power supplied will be
free of noise or distortion.
? Pad. A 20dB pad is available for reducing the in-coming signal level. This
pad provides a more manageable signal from high output devices giving
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