Audioroot FEMTO User Manual
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FEMTO
Portable battery powered stereo microphone preamp
Thank you for buying our FEMTO 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 FEMTO is a high quality battery powered mic preamp that was designed for location
sound recording ( ENG, EFP, music, etc…). It combines in a single box two high gain – low noise
microphone preamps with 48V phantom powering, a 80hz 12dB/oct high pass filter and a beautiful OLED
screen for audio and battery level information display. The FEMTO was designed to resist over time and
against the harshest environments. The FEMTO’s premium electronics are protected by a lightweight
powder coated aluminum extruded enclosure. Markings are directly engraved on the aluminum face
panels to resist over time. The Audioroot FEMTO is a high gain mic preamp with a default minimum gain
setting of +10dB.
The Audioroot FEMTO is a high quality microphone preamplifier of yet very simple use. This unit
benefits from the best components available in a small package. The FEMTO has excellent technical and
audio characteristics that make it compatible with the best microphones available. This preamplifier 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 FEMTO 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 audioroot@audioroot.fr
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UNPACKING AND INSPECTION
The FEMTO
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 engraved at the back of the unit. 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.