Page 1
HOURS X DAY EXAMPLE
8
6
4
3
2
1,5
1
0,5
0,25 or lessSPL
90
92
95
97
100
102
105
110
115Small gig
train
Subway train
High level desktop monitorsClassic music concert
Rock concert
CAUTION
RISK OF ELECTRIC SHOCK
DO NOT OPEN
IMPORTANT SAFETY INSTRUCTION
TO REDUCE THE RISK OF ELECTRIC SHOCK
PLEASE DO NOT REMOVE THE COVER OR
THE BACK PANEL OF THIS EQUIPMENT.
THERE ARE NO PARTS NEEDED BY USER
INSIDE THE EQUIPMENT. FOR SERVICE,
PLEASE CONTACT QUALIFIED SERVICE
CENTERS.
WARNING
To reduce the risk of electric shock
and fire, do not expose this equipment
to moisture or rain.
1.
2.
3.
4.
5.
6.
7.
8.
9.
10.
Dispose of this product should
notbeplacedinmunicipalwaste
and should be separate collection.
11.
12. MovethisEquipmentonlywithacart,
stand, tripod, or bracket,
specified by the
manufacturer, or
sold with the
Equipment. When
a cart is used, use
caution when
moving the cart /
equipment
combination to
avoid possible
injury from tip-over.
Permanent hearing loss may be caused by
exposure to \ extremely high noise levels.
The US. Government's Occupational Safety
and Health Administration (OSHA) has
specified the permissible exposure to noise
level.
These are shown in the following chart:
According to OSHA, an exposure to high SPL in
excess of these limits may result in the loss of
heat. To avoid the potential damage of heat, it is
recommended that Personnel exposed to
equipment capable of generating high SPL use
hearing protection while such equipment is
under operation.
This symbol, wherever used, alerts you to the
presence of un-insulated and dangerous voltages
within the product enclosure. These are voltages that
may be sufficient to constitute the risk of electric
shock or death.
This symbol, wherever used, alerts you to
important operating and maintenance instructions.
Please read.
Protective Ground TerminalAC mains (Alternating Current)Hazardous Live Terminal
ON: Denotes the product is turned on.
OFF: Denotes the product is turned off.
The apparatus shall be connected to a mains
socket outlet with a protective earthing
connection.
The mains plug or an appliance coupler is used
as the disconnect device, the disconnect device
shall remain readily operable.
CAUTION
Describes precautions that should be observed to
prevent damage to the product.
Read this Manual carefully before operation.
Keep this Manual in a safe place.
Be aware of all warnings reported
with this symbol.
Keep this Equipment away from water and
moisture.
Clean it only with dry cloth. Do not use
solvent or other chemicals.
Do not damp or cover any cooling opening.
Install the equipment only in accordance with
the Manufacturer's instructions.
Power Cords are designed for your safety. Do
not remove Ground connections! If the plug
does not fit your AC outlet, seek advice from
a qualified electrician. Protect the power
cord and plug from any physical stress to
avoid risk of electric shock. Do not place
heavy objects on the power cord. This could
cause electric shock or fire.
Unplug this equipment when unused for long
periods of time or during a storm.
Refer all service to qualified service personnel
only. Do not perform any servicing other than
those instructions contained within the
User's Manual.
To prevent fire and damage to the product,
use only the recommended fuse type as
indicated in this manual. Do not short-circuit
the fuse holder. Before replacing the fuse,
make sure that the product is OFF and
disconnected from the AC outlet.
Page 2
IN THIS MANUAL:
1. INTRODUCTION..............................................................................
2. FEATURES.....................................................................................1
3. CONTROL ELEMENTS....................................................................2
1. INTRODUCTION
Thank you for your purchasing the LTO MICtube preamplifier.
Your MICtube is an extremely musical and flexible Stereo Microphone
Preamplifier which is based on many years of experience of LTO Engineers
in tube technology and it is used all over the world in recording studios, live
sound systems as well as in broadcast and television studios. MICtube is
just one of the many LTO products that a talented, multinational Team of
Audio Engineers and Musicians have developed with their great passion for
Music.
Enjoy your MICtube and make sure to read this Manual carefully before
operation!
2. FEATURES
Robust and Compact design
Dual Servo Microphone Preamplifier
20 dB PAD
+48V phantom power
Phase Reverse
8-Digit Output Level meter
12A X 7WA Low Noise Tubes
Half rack space
1
1
5. BLOCK DIAGRAM.........................................................................6
TECHNICAL SPECIFICATIONS.......................................................... 7 6.
7. WARRANTY..................................................................................8
4. APPLICATIONS..............................................................................5
1/4", high Z input on the front panel for instrument preamplification
Output section includes XLR and 1/4" connectors for driving two separate
signal path
High quality and fidelity components
SMD Technology for top performance
Manufactured under QS9000, VDA6.1 certified management system
