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1
Safety instructions.
CAUTION! High voltage! Danger!
Even after disconnection from mains the
internal circuitry can be up to 500 V DC live. In
order to avoid electric shock you must not
disassemble the device. There are no user-
serviceable components inside the device.
The device repair must be done only by
qualified specialists.
If the device has not been used, it is necessary to disconnect it from mains.
WARNING! To avoid possible malfunctions the device must not be exposed to rain
or moisture. Prevent water or other liquids from getting inside the device. Do not
place vessels filled with liquids (such as vases etc.) on top of the device.
This sign means the presence of bare and dangerous voltage
inside the device resulting in electric shock
This sign means important information related to the device
operation and maintenance information, contained in the
attached documentation.
Please read the instruction manual carefully.
1.
Keep the manual at hand.
2.
Pay close attention to the warning instructions.
3.
Adhere to all maintenance instructions.
4.
Use only dry cloth to clean the device which must be
disconnected from the power adapter.
5.
Do not block or cover the ventilation slots. While mounting the
device follow the directions of the manufacturer.
6.
Do not place the device next to heat sources, avoid direct
sunlight.
7.
Lay the power cable in such a way that it is impossible to be
stepped on. Besides, avoid its contacts with sharp angles etc.
If the plug of the power adapter is used for the device
disconnection from mains, it must be easily accessible.
8.
Use only auxiliary devices and accessories recommended by
the manufacturer. Turn the device off during thunderstorms.
9.
All works related the device repair must
и
carried out only by
qualified servicing personnel.
10.
IMPORTANT! All servicing instructions are intended
exclusively for qualified personnel. Do not carry out any
repair works not specified in the instruction manual. All
repair works are to be carried out by qualified personnel
only.
Contents
Important
instructions
1
Complete set
1
Introduction
2
Before
you
start
2
Specifications
2
Power adapter low-voltage contacts arrangement
2
Controls
3
Front
panel
3
Rear panel
3
INPUTs priority
3
For qualified personnel only
3
Tubes replacement
3
Audio connections and switching
4
Block
diagram
4
References
4
IMPORTANT INSTRUCTIONS!
NON-OBSERVANCE OF THE FOLOWING INSTRUCTIONS MIGHT
RESULAT IN YOUR AMPLIFIER OR SPAEAKERS DAMAGE. GUARANTEE
IS VOID IF THE DAMAGES ARE CAUSED BY NON-OBSERVANCE OF
THESE INSTRUCTIONS.
¾
After transportation or storage of the device under
negative temperatures make sure to leave the device
under room temperature in its original packaging for AT
LEAST 2 HOURS!
¾
To connect the passive switch to other devices use
exclusively cables intended for such connections.
¾
Under no circumstances use other types of cables such as
for speakers etc.
TURNING the guitar preamp ON:
¾
Turn the device on only after all audio connections HAVE
BEEN COMPLETED!
¾
Before turning the guitar amp on make sure that: POWER
switch is in OFF position; the housing, connecting cable,
low-voltage connector and power unit plug are intact (no
cuts, cracks, dents etc.) and are in working condition.
¾
To turn the guitar preamp on first connect the low-voltage
connector of the power unit to the corresponding jack on
the rear panel of the device and then plug the power unit
into the wall mains outlet. After that put the POWER switch
to ON position (the power indicator must be on) – the
preamp is ready for operation.
TURNING the guitar preamp OFF
¾
In order to switch the preamp off first put POWER switch to
OFF (the power indicator must be off), unplug the power nit
from mains and then unhook its low-voltage connector
from the device’s rear panel jack.
COMPLETE SET:
1.
Guitar
preamp 1
2.
Power unit
1
3.
Instruction
manual
1
4.
Packaging
1
