EPOS ELS Series, ELS 3, ELS 3C, ELS 303 Operating Instructions Manual

Amplifiers with power outputs between those specified will generally be adequate, although more powerful amplifiers can be used if care is taken to avoid overdriving the loudspeakers.
Use the volume control with discretion, and reduce the level immediately if the loudspeakers begin to distort.
Amplifiers capable of less than 25 Watts per channel output are best avoided because they will restrict the dynamic range. They may also cause damage to the loudspeakers if driven beyond their capability in an attempt to obtain high volume levels.
The clipping distortion produced
when an amplifier is driven beyond its normal output capability can be very destructive. A powerful amplifier operating well inside its capability will generally be less likely to damage your loudspeakers than a lower power amplifier operating beyond its capacity.
Do not make or break connections to the amplifier when it is turned on!
POSITIONING
Space should be left behind the loudspeakers to allow proper operation of rear firing reflex ports and to ensure establishment of good stereo image depth.
Thank you for purchasing Epos loudspeakers. Please take a little time to read these brief notes, which will help you get the best from your loudspeakers.
OPERATING INSTRUCTIONS
Series Loudspeakers
POWER REQUIREMENTS
Some experimentation may be necessary to establish the ideal position within your listening room. Begin by positioning the loudspeakers about 20cm (8”) from the rear wall and gradually move them out a little until you achieve the best balance between bass weight and definition. Avoid placing the loudspeakers in corners because this may cause un-welcome colouration of the midband frequencies. Try to leave at least 40cm of space between each loudspeaker and the nearest side wall.
The optimum stereo performance will be achieved when the speakers are positioned 2.5 metres (8’) or more from the listener and about the same distance from one another. Turning the speakers in very slightly towards the listener often helps to stabilise the stereo image.
Speakers ‘image’ best if you can just see the top face of the speaker from your listening position. Remember, there is no absolute right or wrong - if it sounds good, it is good.
The best results will be obtained from the ELS 3 if they are placed on stands rigidly coupled to the floor using carpet piercing spikes. This will help preserve the outstanding midband clarity which is a hallmark of Epos loudspeakers.
Epos stands are available to match the ELS 3. Please contact your dealer for further information or visit the Epos web site:
www.epos-acoustics.com
Ensure that your amplifier is switched off before you make or break any connections, as damage may occur if shorted.
Your Epos loudspeakers are equipped with high quality connection sockets with excellent electrical contact and current specification.
A set of 4 plugs is supplied with your loudspeakers. These will allow you to terminate your speaker cables. To terminate the cables, simply remove enough insulation to allow the plastic
STANDS
CONNECTION
shroud to fit over the end of your cable. Make a solder connection to the plug and screw in the cover until no bare plug is evident.
Once again, if you are in doubt consult your Epos dealer, who will be able to offer this service.
The plugs provided have been selected to provide a good electrical connection.
The sockets on the rear of the loudspeaker marked red (on the right side as you look at the loudspeaker rear panel) should be connected to the red (or positive) output terminals on your amplifier, while the sockets marked black should be connected to the black (or negative) output terminals on your amplifier.
Use good quality cable to connect your loudspeakers to the amplifier.
Ensure that the cables from
each speaker are of roughly equal length
Do not coil the surplus tightly.
If the cables are not connected to each left and right speaker in the same way, i.e. black and red reversed in one, the effect will be of incorrect phasing. This will cause the bass to disappear and the stereo image to spread from the middle to a position outside the two speakers.
Correctly wiring the polarity of the speakers will restore the image to between the speakers and provide proper bass. Most speaker cables have a polarising mark, such as a raised bump, coloured line or writing on the positive wire.
Switch on the amplifier with the volume turned down low.
Check that the bass and treble sounds come from both speakers.
If not, switch off and remake the connections.
WARNING
LISTENING
Epos loudspeakers require a little gentle use to allow their working components to settle into their proper working routine.
Do not be concerned if your new speakers sound aggressive and lacking in low-frequency authority when you first begin to use them.
Things will quickly improve. Allow between twenty-four and forty­eight hours of use before you expect your new loudspeakers to perform to their full capacity.
Your Epos loudspeakers are supplied with protective grilles.
The use of these grilles is entirely optional and many owners prefer the appearance of the loudspeakers without them. A small reduction in clarity may be apparent with the grilles on.
If you wish to use the grilles, simply push them into the holes provided on the front panel, or pull them off to remove them.
lower the volume before
making any adjustments to the system (e.g. switching amplifier inputs or raising or lowering pickup arm).
switch off the amplifier before
checking or making any changes to any connections in the system.
NEVER
try to find out how loud the
system will go.
use your loudspeakers for
any other purpose other than domestic listening.
PLEASE
complete and return your
registration card—not forgetting to specify your model and serial number.
store the complete packaging
for possible future use.
DISCLAIMER
The 4 mm plugs used on modern Hi-Fi speaker cables can be inserted into European mains sockets. Needless to say, this is pointless and can be fatal if tried. Make sure that young members of the family are prevented from ever doing this.
RUNNING IN
PROTECTIVE GRILLES
REMEMBER ALWAYS
Design
2 ½ way floor standing bass reflex
Power Handling
150 Watts speech & music
Frequency Response
48 Hz - 20 kHz
Impedance
4 Ohm nominal
Sensitivity
87 dB/1W/1m
Amplifier Compatibility
50 - 200 Watt
Positioning
20-50 cm (8-20 in) from rear wall
Tweeter
25 mm aluminium dome with high temperature voice coil and neodymium shielded magnet system
Mid / Bass
130 mm polymer cone with high temperature voice coil, injection moulded PP cone mounted on an inert die-cast aluminium chassis
Bass
130 mm polymer cone with high temperature voice coil, injection moulded PP cone mounted on an inert die-cast aluminium chassis
Crossover
Multi-element medium order
Termination
Bi-wirable with quad terminals that can be linked
Cabinet
15 mm HD chipboard wrap and 25 mm front baffle with vinyl wood finish. Supplied with 6 mm custom made spikes and should be used bolted to ELS plinth (bolts and plinth supplied)
Grille
Black cloth with Epos badge
Finishes
Light cherry / Dark cherry / Black ash
Size (H x W x D) 850 x 175 x 195 mm (34 x 7 x 7 ¾ ins) Includes grille
Weight
10 kgs / 22 lbs each speaker
Floorstanding Loudspeaker
SPECIFICATION
Power Handling:
l00 Watt speech and music
Frequency Response:
65 Hz - 20 kHz
Impedance:
4 Ohm nominal
Sensitivity:
87 dB/lW /lm
Amplifier Compatibility:
25 - l00 Watt
Positioning:
20 -50cm (8” - 20”) from a rear wall
Bass Driver:
130 mm polymer cone with 25mm high temperature voice coil, injection moulded PP cone mounted on an inert die-cast aluminium chassis
Tweeter:
25 mm aluminium dome with high temperature voice coil and neodymium shielded magnet system
Crossover:
Bass driver crossover is achieved by 3 components in a 2nd order filter and tweeter uses 4 components in a 3rd order filter at 3kHz crossover
Cabinet:
12 mm HD Chipboard wrap and 25mm MDF front baffle with vinyl wood finish
Finishes:
Light Cherry, Dark Cherry, or Black Ash.
Size: (H x W x D)
270 x 175 x 195 mm (10¾ x 7 x 7¾ ins) Includes grille
Weight:
4.5kg / 10 lb each speaker
10.5 kg / 21lb boxed gross.
Mini-Monitor Loudspeaker
SPECIFICATION
Power Handling:
100 Watt speech and music
Frequency Response:
65 Hz - 20 kHz
Impedance:
8 Ohm nominal
Sensitivity:
87 dB/1w/1m
Amplifier Compatibility:
25 - 100 Watt
Positioning:
Either above or below the CRT or Plasma monitor. If close to the floor, angle the speaker up a little to aim at listener’s face.
Bass/Midrange Driver:
2 x 130 mm polymer cone with 25mm high temperature voice coil, injection moulded PP cone mounted on an inert die-cast aluminium chassis
Tweeter:
25 mm aluminium dome with high temperature voice coil and neodymium shielded magnet system
Crossover:
Bass driver crossover is achieved by 4 components in a 2nd order filter & tweeter uses 4 components in a 3rd order filter at 3 kHz crossover
Cabinet:
12 mm HD Chipboard wrap and 25mm MDF front baffle with vinyl wood finish
Finish:
Light Cherry, Dark Cherry, or Black Ash.
Size: (H x W x D)
174 x 510 x 210 mm (7 x 20 x 8
1
/4
ins) Includes grille
Weight:
8.8 kg / 19 lb each speaker
10.5 Kg / 21 lb boxed gross.
Centre Channel
SPECIFICATION
Epos Limited
12 Avebury Court, Mark Road,
Hemel Hempstead, Hertfordshire HP2 7TA
England
Tel: +44 (0)1442 260146 Fax: +44 (0)1442 243766
E-mail: info@epos-acoustics.com Internet: www.epos-acoustics.com
Designed and engineered in the UK
Your Epos loudspeakers have been built to very high standards and should give many years of trouble-free service.
If within five years of purchase they do prove to be defective for any reason other than accident, misuse, neglect, unauthorised modification or fair wear and tear, we will repair the defect or, at our option, replace the faulty speakers without charge for parts, labour or return carriage.
Your purchase receipt should be retained as it may be required in the event that you should need to claim warranty attention.
This warranty is applicable in the United Kingdom only and given in addition to your statutory rights.
Service enquiries in countries other than the United Kingdom should be addressed to the local Epos agent or distributor. Details of your local distributor can be found on the Epos web site.
Warranties granted in these countries are entirely at the discretion of the agent or distributor.
For warranty issues please contact your supplying dealer in the first instance.
WARRANTY
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