The complete electronic version of this manual, as well as the Two notes Audio Engineering software and hardware products, are subject to updates. You can download the most recent version
on the Two notes website: http://www.two-notes.com.
This manual describes the Le Preamp and provides instructions for its operation. It is highly recommended to read this document before using this product. The contents of this manual have been
thoroughly verified and it is believed, unless stated otherwise, to accurately describe the product at
the time of shipment from the factory or download from our website.
Two notes Audio Engineering is a registered trademark of OROSYS SAS. This document is the exclusive property of OROSYS SAS. In the interest of product development, OROSYS SAS reserves the right
to change technical specifications, modify and/or cease production without prior notice. OROSYS
SAS cannot be held responsible for any damage, accidental or otherwise, that results from an inappropriate use of the Le Preamp. Please refer to the safety instructions included in this manual. The
reproduction of any part of this document is strictly forbidden without the written authorization of
OROSYS SAS.
All product names and trademarks are the property of their respective owners. Product names
and trademarks found in this document were used during the development of the Le Preamp but
are in no way associated or affiliated with OROSYS SAS.
1Important Safety instructions
1. Before using the product, it is necessary to carefully read and to bear in mind the following
information. Keep this document in a safe place as it is important for the protection of the user
and the product. If any malfunction of the machine is suspected, you should always seek the
assistance of a qualified technician.
2. Please verify that the voltage required by the mains power adapter matches the voltage in yourcountry. If not or if unsure, do not connect the machine to the wall outlet. This could result in
damage to the mains power adapter, the machine and injury to the user. This product must not
be used when there is lightning present. In case of severe weather with a risk of lightning, unplug
the power adapter to reduce the risk of electric shock and fire. The mains power adapter
provided with the machine complies with the standards of the country where you purchased
the product. If replacement is needed, please use a standard compliant mains power adapter.
3. The Le Preamp must never be used near a heat source, near a flame, in the rain, in damp areasor near any liquid of any sort. When transporting the unit, care needs to be taken to avoid any
shocks that could cause damage requiring the assistance of a qualified technician.
4. Always use a dry and soft cloth with no alcohol or solvents for cleaning. Please keep the unit
clean and free from dust.
Two notes Audio EngineeringLe Preamp9
English - User’s manual
5. All maintenance operations must be done by service centers approved by Two notes Audio
Engineering or by qualified technicians. Never try to repair the machine by yourself.
This symbol on the product or on its packaging indicates that this
product must not be disposed of with your other household waste. Instead, it is your responsibility to dispose of your waste equipment by
handing it over to a designated collection point for the recycling of
waste electrical and electronic equipment. The separate collection
6.
and recycling of your waste equipment at the time of disposal will help
to conserve natural resources and ensure that it is recycled in a manner
that protects human health and the environment. For more information about where you can drop off your waste equipment for recycling,
please contact your local city office, your household waste disposal
service or the shop where you purchased the product.
2Declaration of conformity
Manufacturer: OROSYS SAS
Category of product: Analog Audio Signal Processor
Product: Le Preamp
Test Manager: Guillaume Pille
The Two notes Le Preamp and the provided mains power adapter are certified to be compliant
to the CE and FCC standards:
• EN 55103-1 : 1996 and EN 55103-2 : 1996. EN 60065 05/2002 + A1 05/2006. EMC directive
89/336/EEC and Low Voltage Directive 73/23/EEC. FCC Part 15 : 2008. ICES-003 : 2004. AS/NZS
3548 class B for Australia and New Zealand. IEC : 2008 - CISPR 22 class B.
3Warranty
OROSYS SARL warrants that this Two notes Audio Engineering product shall be free of defects in
parts and workmanship when used under normal operating conditions for a period of two (2) years
from the date of purchase. This warranty shall apply to the original purchaser when purchased from
an Authorized Two notes AUDIO ENGINEERING dealer.
IMPORTANT: PLEASE RETAIN YOUR SALES RECEIPT, AS IT IS YOUR PROOF OF PURCHASE COVERING
YOUR LIMITED WARRANTY. THIS LIMITED WARRANTY IS VOID WITHOUT YOUR SALES RECEIPT.
Defective products that qualify for coverage under this warranty will be repaired or replaced,
(at OROSYS SAS’s sole discretion) with a like or comparable product, without charge. In the event
that warranty service be required, Please contact your authorized Two notes AUDIO ENGINEERING
dealer in order to obtain an RMA to return the complete product to the Authorized Two notes AUDIO
ENGINEERING Service Center closest to you, with proof of purchase, during the applicable warranty
period.
Transportation costs to the service center ARE NOT INCLUDED in this limited warranty. OROSYS SAS
will cover the cost of standard ground return transportation for repairs performed under this warranty.
10Two notes Audio EngineeringLe Preamp
English - User’s manual
This limited warranty becomes void if the serial number on the product is defaced or removed,
or if the product has been damaged by alteration, misuse including connection to faulty or unsuitable ancillary equipment, accident including lightning, water, fire, or neglect; or if repair has been
attempted by persons not authorized by OROSYS SAS.
Any implied warranties, including without limitation, any implied warranties of merchantability or
fitness for any particular purpose, imposed under state or provincial law are limited to the duration
of this limited warranty. Some states or provinces do not allow limitations on how long an implied
warranty lasts, so the above limitations may not be applicable.
OROSYS SAS ASSUMES NO LIABILITY FOR PROPERTY DAMAGE RESULTING FROM ANY FAILURE OF THIS
PRODUCT NOR ANY LOSS OF INCOME, SATISFACTION, OR DAMAGE ARISING FROM THE LOSS OF USE
OF SAME DUE TO DEFECTS OR AVAILABILITY OF IT DURING SERVICE.
In case you have to send your Two notes AUDIO ENGINEERING product to any other location, it
is of vital importance to retain the original packing materials. It is very difficult to avoid damage
when shipping the product without these materials. OROSYS SAS is not responsible for damage to
the product due to improper packaging and reserves the right to charge a reboxing fee for any unit
returned for service without the original packing materials.
THE FOREGOING CONSTITUTES THE ONLY WARRANTY MADE BY OROSYS SAS WITH RESPECT TO THE
PRODUCTS AND IS MADE EXPRESSLY IN LIEU OF ALL OTHER WARRANTIES EXPRESSED OR IMPLIED.
4Introducing the Le Preamp
Two notes is first and foremost a team of music lovers who are all great admirers of musicians. We
are highly qualified engineers, technicians, and musicians, whose purpose is to facilitate the life of
guitar and bass players without infringing on their playing habits. Our mission consists in providing
them with studio-grade products that are specifically designed for the guitar and bass.
From the moment we launched the Torpedo C.A.B., we believed it was possible to build a high
quality pedalboard to entirely replace a conventional tube amplifier system: the complete floor rig.
Even with an almost limitless choice of available guitar effects, we always felt that finding a very good
preamplifier in a pedal format was challenging. This is why Two notes is proud to premier its line of
tube preamplifiers: Le Clean, Le Crunch, Le Lead and Le Bass.
4.1The concept
The selection of a preamplifier is the core of your overall tone and thus requires the greatest attention. When building a complete floor rig, only the very best will make the cut. The Two notes
preamplifiers are a True High Voltage Design running internally at 200 volts to preserve the interaction
between you and your guitar while working perfectly with your other effect pedals. Each of the four
different versions deliver the unique tube warmth, dynamics, and the musical compression from the
amps we know and love, now in a more convenient pedal package. And, of course, you can use
them as an elaborate tube overdrive, in front of your favorite amplifier!
4.2Two channels plus Fusion mode
The A and B channels are totally independent, each with their own voicing and eq section: Bass
and Treble on A, Bass, Mid with Mid Sweep and Treble for B. On Channel A you will find a lower gain
tube stage with a pre-gain EQ using a more vintage design approach, while Channel B offers more
gain and a very powerful post-EQ (with mid sweep). The exclusive Fusion modes open new horizons.
In “Hot Fusion”, A and B are cascaded, meaning A can be used as a boost for B with both A and
B EQ’s available to shape the result. In “Cold Fusion”, the two channels are in parallel, meaning
Two notes Audio EngineeringLe Preamp11
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