ENGLISH
OPERATION MANUAL
JB SYSTEMS®
1/47
VX-II AMPLIFIERS
OPERATION MANUAL
Thank you for buying this JB Systems
®
product. To take full advantage of all possibilities,
please read these operating instructions very carefully.
FEATURES
This unit is radio-interference suppressed. This appliance meets the requirements of the
current European and national guidelines. Conformity has been established and the
relevant statements and documents have been deposited by the manufacturer.
Professional amplifier for all-round sound reproduction
Short Circuit protection
DC current protection
High temperature protection
Forced fan cooling
Bridge function (except on VX400-II)
Built-in limiters (except on VX400-II)
Balanced XLR and Jack inputs
Ground/lift switch
Speakon® compatible speaker outputs
Binding post speaker outputs (screws)
Strong Aluminum 19” front
BEFORE USE
Before you start using this unit, please check if there’s no transportation damage.
Should there be any, do not use the device and consult your dealer first.
Important:
This device left our factory in perfect condition and well packaged. It is
absolutely necessary for the user to strictly follow the safety instructions and warnings in
this user manual. Any damage caused by mishandling is not subject to warranty. The
dealer will not accept responsibility for any resulting defects or problems caused by
disregarding this user manual.
Keep this booklet in a safe place for future consultation. If you sell the fixture, be sure to
add this user manual.
To protect the environment, please try to recycle the packing material as much as
possible.
Check the contents:
Check that the carton contains the following items:
User manual
Power amplifier
Mains power cable.
ENGLISH
OPERATION MANUAL
JB SYSTEMS®
2/47
VX-II AMPLIFIERS
SAFETY INSTRUCTIONS:
To prevent fire or shock hazard, do not expose this appliance to rain or moisture.
To avoid condensation to be formed inside, allow the unit to adapt to the surrounding
temperatures when bringing it into a warm room after transport. Condense sometimes
prevents the unit from working at full performance or may even cause damages.
This unit is for indoor use only.
Don’t place metal objects or spill liquid inside the unit. No objects filled with liquids, such
as vases, shall be placed on this appliance. Electric shock or malfunction may result. If
a foreign object enters the unit, immediately disconnect the mains power.
No naked flame sources, such as lighted candles, should be placed on the appliance.
Don’t cover any ventilation openings as this may result in overheating.
Prevent use in dusty environments and clean the unit regularly.
Keep the unit away from children.
Inexperienced persons should not operate this device.
Maximum save ambient temperature is 40°C. Don’t use this unit at higher ambient
temperatures.
Minimum distances around the apparatus for sufficient ventilation is 5cm.
Always unplug the unit when it is not used for a longer time or before you start servicing.
The electrical installation should be carried out by qualified personal only, according to
the regulations for electrical and mechanical safety in your country.
Check that the available voltage is not higher than the one stated on the rear panel of
the unit.
The socket inlet shall remain operable for disconnection from the mains.
The power cord should always be in perfect condition. Switch the unit immediately off
when the power cord is squashed or damaged. It must be replaced by the
manufacturer, its service agent or similarly qualified persons in order to avoid a hazard.
Never let the power-cord come into contact with other cables!
When the power switch is in OFF position, this unit is not completely disconnected from
the mains!
This appliance must be earthed to in order comply with safety regulations.
In order to prevent electric shock, do not open the cover. Apart from the mains fuse
there are no user serviceable parts inside.
Never
repair a fuse or bypass the fuse holder.
Always
replace a damaged fuse with a
fuse of the same type and electrical specifications!
In the event of serious operating problems, stop using the appliance and contact your
dealer immediately.
CAUTION:
To reduce the risk of electric shock, do not
remove the top cover. No user-serviceable parts inside.
Refer servicing to qualified service personnel only.
The lightning flash with arrowhead symbol within the equilateral triangle is
intended to alert the use or the presence of un-insulated “dangerous voltage”
within the product’s enclosure that may be of sufficient magnitude to constitute a
risk of electric shock.
The exclamation point within the equilateral triangle is intended to alert the user
to the presence of important operation and maintenance (servicing) instructions
in the literature accompanying this appliance.
This symbol means: indoor use only
This symbol means: Read instructions
