1 . 1 I N T R O D U C T I O N
Thank you for purchasing the PreSonus BlueTube Two
Channel Microphone / Instrument Tube Preamplifier . This
pre-amp was designed using state of the art components to
deliver crystal clear audio for an infinite period of time. We
believe the BlueTube to be an exceptional sounding unit and
an exceptional value. Please contact us at 1-800-750-0323
with your questions or comments regarding this product.
PreSonus Audio Electronics is committed to constant product
improvement and believes the best way to accomplish this
task is by listening to the
experts
on our gear, 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 BlueTube
to your system. Improper grounding is the most common
cause of noise problems found in studio or live sound
systems. We urge you to scan this manual before hooking up
your BlueTube to familiarize yourself with its features and
various applications.
Good luck and enjoy your BlueTube!
1 . 2 F E A T U R E S
The following is a summary of your Blue Tube’s features:
•
Dual Servo Gain Stage.
Each channel of your
BlueTube contains a dual servo gain stage (no
capacitors). This provides ultra low noise
performance and wide dynamic control. This gives
