µPRE
Portable battery powered stereo microphone preamp with M/S decoding
Thank you for buying our µPRE microphone preamp. We hope our device will become an essential
companion for your sound recordings. This preamp has been designed and manufactured on the basis of
extensive and detailed technical and audio considerations.
The Audioroot µPRE is a high quality microphone preamplifier of yet very simple use. This unit
benefits from the best components available in a very small package. The µPRE has excellent technical
and audio characteristics that make it compatible with the best microphones available. The µPRE was
specially designed to be used as an add-on to your favorite analog mixer, digital audio recorder or any
other pro audio equipement.
The µPRE is an autonomous device that can be powered using 2 x 9V batteries or an external
power source (wall adapter or external Audioroot eSmart Lithium battery).
http://www.audioroot.fr
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UNPACKING AND INSPECTION
The µPRE preamplifier products are carefully checked for good condition before being shipped from
the factory. Despite the protective carton and rugged design, shipping may damage the unit.
Check for possible carton damage when unpacking the unit. Please save the carton for return
shipment if required. AUDIOROOT does not warrant against damage caused by returning products
in other cartons than the original ones or improperly packing the products. If shipping damage is
evident, notify the transportation company immediately. Only the consignee can file a claim with
the carrier for shipping damage. AUDIOROOT will fully co-operate in such an event. Be sure to
save the carton for the shipper to inspect.
Identification and warranty
The unit's serial number is written on the silver sticker at the bottom of the battery compartment.
Never modify, remove or damage this sticker. The unit has a one year warranty from date of
purchase. Only officially appointed dealers or Audioroot are allowed to warranty repair of
Audioroot products. Any damage caused by tampering, misuse or dismantling of the instrument
will not be covered by the warranty and could be considered a reason for rendering the warranty
null and void. Return shipping fees are allways at the customer's charge.
Warning
Do not try to repair this product or replace any of it's elements if this user manual does not give
specific instructions on how to do so. This equipement was built with surface mount components
and needs special tooling for repair. The removal of the electronic PCB needs special technical skills.