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10 EUROPOWER EP4000/EP2000 User Manual
4. Installation
Your EUROPOWER can be installed into a 19" rack and requires two rack units.
Please use four attaching screws and washers for installation. Reinforce the back
end, especially for on-the-road use. Please assure that enough cool air reaches
the rack, especially when other rack equipment emanates a lot of heat. In the
case of the EUROPOWER EP2000 and EP4000, hot air circulates at the front of the
unit to thermally relieve the rack enclosure.
◊ Fan speed adjusts automatically and assures safe operation.
Never block ventilation openings. Should internal temperature reach
extreme values, the unit will shut down automatically.
4.1 Connections
Inputs
Each channel features balanced XLR and ¼" TRS stereo jack inputs, withinput
impedances of 20 kΩ (balanced) and 10 kΩ (unbalanced). In general,
balancedsignals cause less noise than unbalanced signals.
For balanced input signals, use the XLR and ¼" TRS stereo inputs. For unbalanced
input signals, use the unused pin of the XLR connector with grounding.
Noalteration is necessary on mono jack connectors.
◊ Should you register distractive signals such as noise or hissing,
we recommend separating the amp input from the signal source.
This way, you can quickly determine if the noise originates
in the equipment connected to the amp. Always make sure
to completely lower amplification of both channels before
powering up the amp (GAIN control turned all the way leftward).
Otherwise, permanent damage to your speakers may occur.
Outputs
Your EUROPOWER oers several output connection possibilities: two professional
speaker connectors and two pairs of touch-safe binding posts. The professional
speaker connectors were especially developed for driving high-power speakers.
They snap in securely, prevent electric shock and assure correct polarity.
Theupper connector drives either one or both channels, and is therefore
well-suited for mono-bridged operation (1+/2+). The lower connector carries the
signals from channel 2 only.
1-
2-
2+
1+
1-
2-
2+
1+
front view rear view
Professional speaker connector
(compatible with Neutrik Speakon connectors)
Fig. 4.1: Professional speaker connectors
◊ Whenever possible, use thick and short speaker cables to minimize
power losses. Never lay output cables near input cables.
4.1.1 Using the binding posts
To connect the loudspeakers to the amplier’s binding posts, please do
thefollowing:
1) Switch o the amp and disconnect it from the mains
(unplug mains connector).
2) Remove the protective plastic covers shielding the binding posts by
loosening the two screws on the right-hand side of the connections and lift
the plastic cover upwards.
3) Attach the terminal of your loudspeaker cable to the corresponding
bindingpost.
4) Place the protective plastic covers into its original upright position on each
binding post and replace the two screws.
◊ Never operate the device without the protective plastic covers in place!
Fig. 4.2: Protective plastic covers shielding the binding posts
When using binding post connectors, please make sure that insulation on cables
is not removed too high. Insert the naked part of the cable fully so that no metal
is visible. Cable clamps must be isolated to avoid the possibility of electric shock.
When running the amp in mono-bridged mode, always use the middle two
binding post connectors, paying attention to correct polarity.
Caution
◊ If you notice naked cable endings on the binding post connectors,
do not power up the amp because of the risk of electric shock.
4.1.2 Connecting to the mains
Always connect your EUROPOWER amplier to the voltage specied on the rear of
the device. Connecting the amp to an incorrect voltage can permanently damage
your amp.
Before powering up the amplier, double-check all connections and fully lower
the gain setting.