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4

Setting up the GX15R 

WARNING!

To avoid electrical shock or any other damage, make sure that the GX15R 
and all other devices are switched off before you start connecting them to the 
amplifi er!

Power Connections/Mains

Before connecting to a grounded power outlet, 
make sure the power switches are in the off position 
(facing down). The GX15R is set up for 230 V of line 
voltage. Once the amplifi er is plugged in, you can 
get started!

Connecting an electric guitar

The input jacks on the left side of the frontpanel 
receive your electric guitar signal by means of 
a shielded guitar cord with 1/4” mono style
plug. Make sure the master volume of the amplifi er 
is set to the lowest position to avoid disturbing noise 
while connecting.

Speaker protection

The GX15R has a built-in 8” speaker. It can be
damaged by heavy feedbacks of the connected 
instruments. You should always keep a suffi cient 
distance to the amplifi er to avoid such feedbacks. This 
will extend the life of the speaker and the power amp.

Travelling Abroad

If travelling to countries outside the EU, always check 
their local voltage before operating the GX15R. 
Mismatched voltages can and most likely will destroy 
your amplifi er. Should you encounter voltages and 
frequencies other than those indicated, a transformer 
must be used between the power socket and the 
GX15R. This transformer must be able to transform the 
voltage and frequency to one of the indicated settings.

Main Fuse

The main fuse is situated in a little drawer which is 
part of the power input jack. This sliding fuse holder 
also hides a spare fuse. For 230 V, the fuse must be 
a 0,25A slow blow. It is crucially important to use the 
specifi ed fuse values only.

Maintenance

All checkups and repairs must be undertaken by 
authorized service personnel. With the right treat-
ment, the electric circuit and the power amp will not 
need any kind of maintenance at all.

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