GamuT D3i User Manual
3
i
ual Mono Preampl
ifi
e
r
User guid
e
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D 3i
Contents
Contents of the D 3i box 3
Safety instructions 4
Warning: 4
Never: 4
Always: 4
About the GamuT D 3i 5
Design considerations 5
Electrical circuitry considerations 5
Unpacking 5
Placement 6
Connecting to the mains 6
Connecting to other equipment 6
Inputs 6
Outputs 7
XLR pin connection of the balanced in- and outputs 7
How to operate 8
Selecting a source 8
Adjusting the volume 8
Mute function 9
Dim function 9
Bypassing the CD input 9
Connecting to a surround processor 10
The remote control 11
Overview 11
Functions 12
Burn-in and warm up 13
Burn-in 13
Warm up 13
Maintenance 13
Service 13
Technical information 14
Every musical note… 15
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Contents of the D 3i box
One GamuT D 3i Preamplifi er
One mains cord with plug for either 115VAC or 230VAC
One GamuT RC1 amplifi er/CD-player remote control unit
Two AAA batteries
Sandgaardsvej 31
DK-7400 Herning
Denmark
Telephone no: +45 70 20 22 68
Fax no: +45 59 43 97 26
www.gamutaudio.com
info@gamutaudio.com
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D 3i
Safety instructions
Warning:
To prevent fi re or shock hazard, do not expose this appliance to rain or moisture.
No user serviceable parts inside. Refer servicing to a qualifi ed technician. Never remove the
cover unless qualifi ed to do so. This unit contains dangerous voltages.
Never:
Let children (or grownups) push anything into holes or slots in the case - this could result in
harmful electrical shock and could cause damage of the equipment.
Guess or take chances with electrical equipment of any kind - it is always better to be safe than
sorry.
Obstruct the necessary all-around ventilation: especially DO NOT place the set close to curtains
or on soft furnishing such as carpets. Overheating can cause unnecessary damage and shorten
the lifespan of the equipment.
Always:
Read the user manual and familiarise yourself with the functions before you attempt to use this
equipment.
Ensure that all electrical connections (including the mains plug, extension leads and interconnections between pieces of equipment) are properly inserted and set in accordance with the
manufacturer’s instructions.
Check that the GamuT D 3i mains fuse rating is set correctly for your local mains voltage. Please
see the label at the rear next to the mains inlet.
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About the GamuT D 3i
Design considerations
The cabinet is of a rigid construction using massive and genuine high-grade materials, mostly aluminum. The use of non-magnetic materials is a vital foundation for ultra clean high-end reproduction of
music.
It also contributes to the touch and feel factor and is essential for a long lasting life even in a tough
environment.
A GamuT product is built to be used daily and we expect our products to be in the “fi eld” for many
years to come.
Under normal circumstances the D 3i should not need inspection or service for quite a while.
Should you experience break down or worn parts, these are easily replaceable or repairable and our
service partners around the world would be happy to help.
Electrical circuitry considerations
All components used in the D 3i are of the highest quality and have been selected through intensive
listing sessions from the PCB itself over the non-magnetic chassis to the legendary Neutrik XLR connectors.
The D 3i is based on following GamuT specialties:
Dual Mos-fet hybrid in-and output buffer
Soft coupled feet suspend the complete chassis
Internally shielding separates the cabinet for power supply and amplifi er section
Dual mono construction with separate power supply for each channel
Very powerful power supply with high bandwidth and low impedance
Unpacking
Carefully cut open the box with a knife. Remove the cables from the carton and lift up the D 3i from
inside the box. Remove the protective plastic enclosing the amplifi er. Please be careful not to place
the D 3i on the front panel or bend the various terminals on the backside when doing so.
Please keep the packaging material in a safe place as it might come in handy later.
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