Cornered Audio Ci series User manual

Congratulations on your purchase of the CORNERED Ci speaker systems.
The Ci series is a feature packed range of loudspeakers designed for commercial in-
stallations. Emphasis is placed on discreet modern design, ease of installation, wide
and uniform coverage and excellent sound quality without the use of electronic signal
processing.
Included in the box
Two speakers:
Ci4 and Ci5: 8 ohm
Ci4-V and Ci5-V: 8 ohm or 70/100V mode
Two sliders
Mounting screws
Mounting template
Manual
The triangular cabinet profile allows for discreet installation in corners or on walls and
ceilings. Cabinets can be coupled together to expand coverage and installation is fast
and simple with the integrated mounting points.
Please read the manual to ensure best possible performance from your CORNERED
loudspeaker.
Introduction

4
Connections
The Ci models are fitted with spring loaded terminals on the front baffle. Contacts will
accept up to 2,5 sq. mm wire with an outside diameter of up to 10mm.
Important: Always connect the red amplifier output (+) to the red speaker terminal in-
put and the black amplifier output (-) to the black speaker input. If reversed, the stereo
imaging will be blurred and the bass output will be dramatically reduced.
How to connect the cables
It is important that you run the speaker cables through the port BEFORE mounting
your new CORNERED speakers! The speakers are equipped with discreet cable termi-
nals placed on the front baffle behind the front cover – and it is not possible to run the
cables to the terminals once the speakers have been installed.
Getting started
1
2
Remove the front cover to access the cable terminal.
(push the cover from the side of the cabinet to squeeze it out of the grove).
Make sure the amplifier is turned off.
Run the speaker cable through the tube
positioned at the rear of the cabinet to the
terminal at the front baffle.
If you use the sliders, you can mount the
speaker cables to the terminal at this
point. If you use the mounting points, it
is easier to install the speaker first and
mount the cable to the terminal after the
speaker is mounted to the wall.
3 4

5
The Ci series can be mounted either in corners, on wall and ceilings with the integrat-
ed mounting points or the slider bars. They can also be coupled together to extend
coverage.
CORNERED top-boxes are very light, but please make sure that the wall or ceiling is
solid and can support the weight of the speaker before installing. Also, make sure that
you comply with all local health and safety regulations. The low weight and the sliders
allow the products to be installed easily by one person.
Vertical or horizontal installation in corners
If you prefer to mount the speaker in a corner, you should:
Installation
2
1Remove the front cover and you’ll see the
mounting holes in the left and right hand
side of the cabinet.
Place the mounting template in desired position and mark drilling positions by shading
through the six mounting holes.
• Drill holes in the wall using 4mm raw plugs and the enclosed 3,5 mm flat head screws.
• Reposition the speakers in desired position and mount the screws.
Notes: Mounting in corners that are not exactly 90 degrees:
• If the corner is less than 90 degrees, simply place the speaker cabinet as deep in the corner
as possible and use all mounting points. This will leave a little space behind the cabinet and
the walls, but the speakers will still appear with a nice finish in the corner.
• If the corner is more than 90 degrees, we recommend mounting only one of the sides of
the speaker cabinet onto the wall – and leave some air behind the other side of the cabinet.
This will not be visible from the front, and the speakers will still present themselves with a
nice finish.

6
If the wall or ceiling is soft, or if you wish to mount the speakers away from the corner.
• Mount the sliders to wall or ceiling by
shading through the template. *Note that
the arrow on the slider shall point towards
the front of the speaker.
• *Note, if the wall is solid, one slider is
sufficient to hold the speaker.
• Slide the speaker onto the sliders
• Finally fix the speaker to the wall or ceiling
by screwing through the cabinet and slider
into the wall or ceiling, using the upper and
lower mounting points.
Slide the speaker onto the sliders.
CORNERED speakers are designed with emphasis on uniform and wide controlled dispersion.
The acoustic design allows the speakers to be coupled together to expand coverage.
• One Ci cabinet offers 100x100 degree dispersion.
• Two Ci cabinets can be coupled together back to back and then mounted flush onto walls and
ceilings while offering 200 degrees of coverage with minimum phase cancellation.
• Mount the speakers back to back on wall or ceiling using either the sliders or integrated moun-
ting points. Use 9 mm long and 3 mm thick bolts to screw the speakers together.
When you have installed the speaker to the wall or ceiling, then connect the speaker cable to the
terminal and reinstall the front cover.
Likewise, three cabinets can be mounted to-
gether to cover 270 degree around a corner.
Simply couple three cabinets together using
the 9x3mm bolts and mount the speakers to
the wall with the integrated mounting points.
Connect the red (+) speaker cable to the red
cable terminal and the black (-) speaker cable
to the black speaker terminal.
+

7
Cables
Speaker cables present the amplifier with different loads. Cables with high capaci-
tance, high inductance and high impedance have a strong negative influence on sound
quality as well as amplifier reliability. In order to get the most out of the speaker sys-
tem, avoid using thin speaker cables.
We recommend the CORNERED CSP2 speaker cable designed to fit in corners or flush
on walls.
The thickness of the cable relates to the length of the cable. For very long cable runs,
4 sq mm. cables should be used. When running the cable through the tube, simply
remove the outer isolation material from the cable and run the separate wires to the
speaker terminals.
To minimize power loss and response variations, please refer to the following table for
guidance, showing the maximum recommended cable length relative to impedance
and cable thickness:
Cable size/load
2 sq mm.
2,5 sq mm.
4 sq mm.
8 ohm
20m/65ft.
30m/100ft.
60m/200ft.
4 ohm
10m/32ft.
15m/50ft.
30m/100ft.
2 ohm
5m/16ft.
7,5m/25ft.
15m/50ft.

8
Tweeter protection
Ci4 and Ci5 feature a tweeter protection circuit. If a microphone is used, or if the
speaker is used in environments with very high level of background sound, we recom-
mend turning on the protection circuit. For home installations, we recommend turning
off the protection.
Outdoor mounting
The Ci series is IP54 rated, so they can be placed outside. If installed outdoors, the
insulation of the cabling should be resistant to water as well as the effects of tempera-
ture and ultraviolet radiation from the sun. Recommended insulations are: UV stabi-
lized polyethylene, neoprene, Teflon™, Silicon™, and Hypalon™. The following materials
are not recommended, because of potentially shorter life expectancy in outdoor en-
vironments: rubber, PVC (polyvinylchloride), polypropylene, polyurethane, and nylon.
UV-stabilized polypropylene may be acceptable.
Safety wire
In installation terms, the CORNERED top-boxes are as much brackets as they are
speakers, because they mount flush to the walls and ceilings, so no safety wire is
needed (just like on traditional speaker installations, you don’t use a safety wire from
a bracket to the wall).
Operation
To enable, move the PTC switch to ON and to
disengage, move the switch to OFF.
Tweeter
Protection
70V
100V
Mode selection
Ci4-V & Ci5-V can be driven in 8 ohm or 70V
or 100V mode. The input tap selection switch
is placed behind the grille. On Ci4-V the taps
are 3,75, 7,5, and 15 watt output in 70V mode
and 7,5 and 15 watt output in 100V mode. On
Ci5-V the taps are 3,75, 7,5, 15 and 30 watt
output in 70V mode and 7,5, 15 and 30 watt
output in 100V mode. The rotary switch is
operated with a flat-head #7 screw driver.

9
Recommended amplifier
CORNERED speakers have high minimum impedance, making them an easy load for
amplifiers. Typical pro amplifiers will run three speakers per channel without problems.
We recommend amplifiers with a minimum output on level with the highest recom-
mended amplifier output in the specifications.
As with all loudspeaker systems, power handling depends on the quality and size of
the amplifier. If overdriving the amplifier and running it into clipping, the drive units
can be damaged even if the amplifier output is lower than the power handling of the
speaker.
When choosing an amplifier, note that generally a higher power amplifier running free
of distortion will sound better and do less damage to the loudspeaker than a lower
power amplifier continually clipping. See technical specifications section for recom-
mended amplifier power.
Service
Woofers can be easily replaced by un-
screwing them from the baffle using a
Hexagon H3 bit. The tweeter is clicked
into the horn section of the baffle from
the rear of the baffle. To access the
tweeter, remove the baffle by unscrew-
ing the eight Philips screws.
Turn the tweeter counter-clockwise to
remove it from the baffle. Reinstall the
new tweeter by pressing it towards the
horn section of the baffle and turn it
clock wise until you hear a “click”.
The crossover is removed by unscrew-
ing the Philips head screws and remov-
ing the cables from the drivers.

Specifications
Hans V. Madsen / Founder & CEO
02.06.2017
Ci2
Power handling, IEC268: 30 watt
Power handling, peak: 120 watt
Sensitivity, 2,83V/1m: 84 dB
Maximum SPL, long term: 99 dB
Maximum SPL, peak: 105 dB
Frequency response: 140-20.000 Hz
Nominal impedance: 8 ohm
Dispersion: 100x100 degrees
Measurements: (HxWxD) 181x135x102mm
Weight: 0,75 kg
Colour: Black – White
Ci4
Power handling, IEC268: 60 watt
Power handling, peak: 240 watt
Sensitivity, 2,83V/1m: 86 dB
Maximum SPL, long term: 104 dB
Maximum SPL, peak: 110 dB
Frequency response: 70-20.000 Hz
Nominal impedance: 8 ohm
Dispersion: 100x100 degree
Measurements: (HxWxD) 400x190x145mm
Weight: 2,4 kg (Ci4 – 2,35 kg)
Colour: Black – White
Ci4-V high impedance data: Selectable taps at 7,5W or 15W @ 100V or 3.75W @ 70V
Ci5
Power handling: IEC268: 80 watt
Power handling: Peak: 320 watt
Sensitivity: 2,83V/1m: 88 dB
Maximum SPL: Long term: 107 dB
Maximum SPL: Peak: 113 dB
Frequency response: 65-20.000 Hz
Nominal impedance: 8 ohm
Dispersion: 100x100 degree
Measurements: (HxWxD) 450x209x150mm
Weight: 3,6 kg (Ci5 – 3,55 kg)
Ci5-V high impedance data: Selectable taps at 7,5W, 15W or 30W @ 100V or 3.75W @ 70V