USER MANUAL
MANUALE D’USO
VSA 2050 II
VSA 1250 II
VSA 850 II
- DIGITALLY STEERABLE ARRAY
SPEAKER SYSTEMS
- DIFFUSORI ATTIVI DIGITALI
DI TIPO “ARRAY”
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IMPORTANT
WARNING
SAFETY PRECAUTIONS
IMPORTANT
Before connecting and using this product, please read this instruction manual carefully and
keep it on hand for future reference.
The manual is to be considered an integral part of this product and must accompany it
when it changes ownership as a reference for correct installation and use as well as for the
safety precautions.
RCF S.p.A. will not assume any responsibility for the incorrect installation and / or use of
this product.
WARNING: To prevent the risk of fire or electric shock, never expose this product to rain
or humidity.
This device is intended for indoor use only.
SAFETY PRECAUTIONS
1. All the precautions, in particular the safety ones, must be read with special attention, as
they provide important information.
2.1 - PRIMARY POWER SUPPLY FROM MAINS
- The mains voltage is sufficiently high to involve a risk of electrocution: never install or
connect this product when its power cord is plugged in.
- Before powering up, make sure that all the connections have been made correctly and
the voltage of your mains corresponds to the voltage shown on the rating plate on the
unit, if not, please contact your RCF dealer.
- The metallic parts of the unit are earthed by means of the power cord.
An apparatus with CLASS I construction shall be connected to a mains socket outlet
with a protective earthing connection.
- Protect the power cord from damage. Make sure it is positioned in a way that it
cannot be stepped on or crushed by objects.
- To prevent the risk of electric shock, never open this product: there are no parts inside
that the user needs to access.
2.2 - 24 V dc SECONDARY POWER SUPPLY BY BATTERIES
- The apparatus operating voltage is 24 V dc, therefore it is necessary to connect in
series several batteries having a lower nominal voltage, example: 2 x 12 V.
- Always use rechargeable batteries, which need to be chosen according to the
maximum possible load.
- Verify the polarity of batteries is correct.
- Do NOT short-circuit batteries (i.e. connecting the 2 opposite poles together with
metallic wires).
- Throw empty batteries away according to your country laws about ecology and
environment protection.
3. Make sure that no objects or liquids can get into this product, as this may cause a short
circuit.
This apparatus shall not be exposed to dripping or splashing. No objects filled with liquid
(such as vases) and no naked sources (such as lit candles) should be placed on this
apparatus.
4. Never attempt to carry out any operations, modifications or repairs that are not expressly
described in this manual.
Contact your authorized service centre or qualified personnel should any of the following
occur:
- The product does not function (or functions in an anomalous way).
- The power cord has been damaged.
- Objects or liquids are inside the product.
- The product has been subject to a heavy impact.
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5. If this product is not used for a long period, disconnect its power cord and / or batteries.
6. If this product begins emitting any strange smell or smoke, switch it off
immediately and disconnect its power cord.
7. Do not connect this product to any equipment or accessories not foreseen.
For suspended installation, only use the dedicated anchoring points and do not try to hang
this product by using elements that are unsuitable or not specific for this purpose.
Also check the suitability of the support surface to which the product is anchored (wall,
ceiling, structure, etc.), and the components used for attachment (screw anchors, screws,
brackets not supplied by RCF etc.), which must guarantee the security of the system /
installation over time, also considering, for example, the mechanical vibrations normally
generated by transducers.
To prevent the risk of falling equipment, do not stack multiple units of this product unless
this possibility is specified in the user manual.
8. RCF S.p.A. strongly recommends this product is only installed by professional
qualified installers (or specialised firms) who can ensure correct installation
and certify it according to the regulations in force.
The entire audio system must comply with the current standards and
regulations regarding electrical systems.
9. Supports and trolleys
The equipment should be only used on trolleys or supports, where necessary, that are
recommended by the manufacturer. The equipment / support / trolley assembly must be
moved with extreme caution.
Sudden stops, excessive pushing force and uneven floors may cause the assembly to
overturn.
10. Mechanical and electrical factors need to be considered when installing a professional
audio system (in addition to those which are strictly acoustic, such as sound pressure,
angles of coverage, frequency response, etc.).
11. Hearing loss
Exposure to high sound levels can cause permanent hearing loss. The acoustic pressure
level that leads to hearing loss is different from person to person and depends on the
duration of exposure. To prevent potentially dangerous exposure to high levels of acoustic
pressure, anyone who is exposed to these levels should use adequate protection devices.
When a transducer capable of producing high sound levels is being used, it is therefore
necessary to wear ear plugs or protective earphones.
See the manual technical specifications to know the maximum sound pressure level.
12. Situate this product far from any heat sources and always ensure adequate air
circulation around it.
13. Do not overload this product for a long time.
14. Never force the control elements (keys, knobs, etc. ).
15. Do not use solvents, alcohol, benzene or other volatile substances for cleaning the
external parts of this product.
Use a dry cloth.
NOTES ABOUT AUDIO SIGNAL CABLES
To prevent the occurrence of noise on microphone / line signal cables, use screened cables
only and avoid putting them close to:
- Equipment that produces high-intensity electromagnetic fields.
- Mains cables.
- Loudspeaker lines.
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RCF S.P.A. THANKS YOU FOR PURCHASING THIS PRODUCT, WHICH HAS BEEN
DESIGNED TO GUARANTEE RELIABILITY AND HIGH PERFORMANCES.
DESCRIPTION
VSA
II series is made of multi-amplified vertical steerable arrays that represent one of the
latest RCF applications in terms of digital audio technology.
The 3 available models have similar features, but:
- VSA
2050 II is the top model and includes 20 amplifiers and 20 full-range 3.5”
RCF transducers, its vertical dispersion is controlled up to 10° from 150 Hz and up.
- VSA 1250
II includes 12 amplifiers and 12 full-range 3.5” RCF transducers, its
vertical dispersion is controlled up to 10° from 300 Hz and up.
- VSA 850 II includes 8 amplifiers and 8 full-range 3.5” RCF transducers, its
vertical
dispersion is controlled up to 10° from 500 Hz and up.
The internal digital signal pr
ocessor processes the audio signal sent to each single internal
transducer in order to control the overall vertical acoustic dispersion.
VSA II series
speakers are the ideal for indoor installations, where a critical acoustic
environment can be an issue and a moderate visual impact is required, for instance:
houses of worship, airports, railway stations, auditoriums, congress halls, sport halls,
shopping malls, etc. .
Unlike traditional sound columns, VSA speaker calibration is carried out electronically via
either RdNet software or its VSA SMART RC remote control for smartphones (to be purchased
separately and necessary, as it also includes the USB / RS 485 cable adapter with RJ45 connector
for linking to a computer), by specifying the installation height above the floor and the listening
area (or the maximum distance from speakers to audience).
The signal is fully processed and amplified in the digital domain, thanks also to 6 FPGAs (‘Field
Programmable Gate Array’) that manage all the data inside the speaker system.
The circuitry is modular to get maximum reliability and easy servicing.
VSA II s
peakers include 2 independent power supply units, controlled by a microprocessor
for either AC (230 / 115 V) or DC (24 V) operation, to get full back-up facility when the
product is intended for emergency purposes.
Each internal circuit is monitored (voltage, current and temperature).
VSA II series speakers meet all re
quirements needed by sound systems for emergency purposes.
One of the most important feature of the VSA digital arrays is their simple configuration, thanks
to RdNet software or its VSA SMART RC remote control for smartphones.
In a few steps, it is possible to tilt down and shape the acoustic beam in a virtual way, while the
column speaker is installed in a physical vertical position.
This configurability permits to address the audio signal exactly to the listening area, avoiding to
send acoustic energy to ceilings and empty floors, thus not introducing additional bad reflections
that would affect speech intelligibility, mainly in critical environments with high reverberation
time.
20
‘class D’ amplifiers (50 W each, with high capacity power supply) for the VSA 2050 II model,
12 for VSA 1250 II and 8 for VSA 850 II, assure the best possible control and dynamics.
Each cabinet has four LEDs (AC, DC, FAULT and PRIORITY) and provides dry contacts (of an
internal relay) for remote ‘fault’ indication.
Thanks to a sophisticated algorithm developed by RCF, the focus control is not strictly necessary
as the best possible result is guaranteed overall the covered listening areas.
It is possible to set the acoustical coverage (tilt and beam) according to installation height and
the listening area to be served.
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Each speaker has 2 audio inputs, of which one has priority.
VS
A II speakers can be installed very close to the wall (to be unobtrusive) thanks to their
compact sizes, slim shapes and their (included) wall mounting accessories.
SWM-BR VSA II optional accessory: each kit includes a pair of swivel brackets for a single
VSA II speaker wall mounting, allowing a horizontal angle pointing up to 60°.
Connections are separated: AC and DC power supply at one end, audio signals and interfaces
on the other. The electrical connections are clearly labelled and made through screw terminals
and other suitable and easy-to-wire connectors.
VSA II series (standard version) is intended for indoor sound systems
only.
INSTALLATION
The speaker shall be wall-mounted through the two included brackets (picture 1).
To swivel iT
wiTh a horizonTal angle up To 60°, iT is necessary To purchase The opTional
SWM-BR VSA II accessory kiT.
Minimum installation height: the speaker bottom shall be at least 1 m from
the floor (suggested height: from 1.5 to 3 m).
The wood package lid can also be used as drilling TemplaTe (picTure 2)!
Each bracket shall be fixed to the wall by 4
dowels for 5 mm screws (passing through the 4
holes, see picture 3 –
A
).
If put to recessed pipelines, the power cables
(230-115 V ac and, separately, 24 V dc) can
pass through the bracket and the loudspeaker
holes (picture 3 –
B
).
Put the speaker on the bracket hooks and fix
it with the security screws (picture 3 –
C
),
which prevent the speaker might accidentally
slip off and fall.
A
B
C
PICTURE 3 PICTURE 1
PICTURE 2
1910 (VSA 2050 II), 1202 (VSA 1250 II), 848 (VSA 850 II
)
170 170
80
80
170170 1570 (VSA 2050), 862 (VSA 1250), 508 (VSA 850)
1570 (VSA 2050 II), 862 (VSA 1250 II), 508 (VSA 850 II)
[mm]
[mm]
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1
POWER
Main power switch.
I : ON O : OFF
afTer Turning The speaker on, The sysTem Takes abouT 15 seconds (‘sTarT-up’) To geT fully operaTing.
2
Socket for the power cord.
Before powering up, make sure the mains voltage corresponds to the voltage
indicated on the unit label.
3
24 Vdc INPUT
Secondary power supply input (24 V dc).
TOP PANEL (power supply)
BOTTOM PANEL (signals and commands)
4
7
6
9
10
5
8
1
2
3
Remove the bottom panel cover with the 4 LEDs to access to connections (by disconnecting its cable from the respective port 10).
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