Eureka Microphone Preamplifier - Manual (Page 4)

1 OVERVIEW
4
1 . 1 I N T R O D U C T I O N
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 F E A T U R E S
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 greater control over the in-coming signal and a much reduced