
2
3
WARNING
For your protection please read the following:
Water and moisture:
Electrical devices should not be used near water ( as per example,
near a bathtub, washbasin, kitchen sink, laundry tub, wet basement or swimming pool ).
Care should be taken such that objects do not have the opportunity to fall, and that liquid
is never spilled onto or into the device enclosure through openings.
Power Sources:
An electrical device must be connected to a mains power source in strict
accordance with the supplied product owners manual. Please verify that the
mains
AC
voltage speci
fi
ed in the product manual matches those requirements indicated on the unit
and the
voltage provided to your location by the power company.
AC
Grounding:
Adequate precautions should be taken so that the grounding provisions built
into an electrical product are never defeated.
Power Cords:
Pass Labs provides a power supply cord that meets all legislated
requirements for the market in which the product was originally sold. If you choose to
substitute an after-market product we urge you to choose one that is fully safety rated by
the necessary local authority.
Power Cord Protection:
Power supply cords should be routed so that they are not likely
to be walked on, abraded, or pinched by items placed on or against them, paying particular
attention to cords where they enter plugs or exit from a device. Never under any
circumstance insert a cut or damaged power cord into a mains power socket.
Power and Signal:
Cables should never be connected / disconnected with equipment
powered up. Failure to heed this warning may damage or destroy equipment.
Ventilation:
Power-ampli
fi
ers run hot, but you should be able to place your hands on
them without discomfort. You must allow for this heat in installation, by providing for
free air circulation around the product. Electronics should not be subjected to sources of
excessive radiant heat. Excessive heat can shorten the life of the product and may cause
the electronics to self protect and shut down.
Servicing:
To reduce the risk of
fi
re, electrical shock or other injuries, the user should not
attempt to service the device beyond that which is described in the operating instructions.
All other servicing must be referred to quali
fi
ed service personnel.
For Units With Externally Accessible Fuse Receptacle:
Unplug the device from all
sources of power before changing or inspecting any fuse. Replace fuse with one of same
physical size, type and rating as that speci
fi
ed by the manufacturer for that product.
Quick Setup:
Unpacking your
-250
INT
The
-250 is heavy - please make sure you have help to remove the
-250 from the
INT
INT
packing and to place the amp where you want it.
Included in the box are a remote control and a power cord. You will need these so don
’
t throw
them away with the empty box. In fact you should keep the empty box as well.
Place the ampli
fi
er close to where you intend to use it. Just leave enough access so you can
connect the inputs and speaker cables.
Plug in the amp into the
. Turn on the
power switch. At this point you should have the
AC
AC
blue
in the center of the meter on. Push the
“
power
”
button on the faceplate a few times.
LED
The amp should cycle on and off (display and meter lights will come on and go off).
Turn the amp
“
off
”
from the faceplate. Now you should be ready to connect your sources and
speakers.
Quick Connections:
Connect your sources to the inputs. There are four inputs, two with
and
and two
XLR
RCA
with
only. The
and
inputs on
1 (and
2) are connected so use
RCA
XLR
RCA
INPUT
INPUT
XLR
RCA
INPUT
RCA
XLR
or
but not both. When using
1 & 2 with
s you should have the
shorting jumpers in place.
The Preamp Outputs can be used to drive a second system, a subwoofer or other ampli
fi
ers
for bi-amping. These output are live when the amp is live and
when the amp is
MUTED
MUTED.
The speaker binding posts can accept spades, banana plugs or bare wire. They also have a built
in torque limiting ratchet system to prevent over tightening and damage to the binding posts.
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