RCF DP 1420EN Manual de usuario

USER MANUAL

MANUALE D’USO

DP 1420EN ALUMINIUM SOUND

PROJECTOR IN

COMPLIANCE WITH EN

54-24 STANDARD

PROIETTORE DI

SUONO IN ALLUMINIO

CONFORME ALLA

NORMA EN 54-24

TABLE OF CONTENTS

INDICE

ENGLISH

SAFETY PRECAUTIONS

DESCRIPTION

INSTALLATION

CONNECTION

NOTES ABOUT CONSTANT VOLTAGE SYSTEMS

SPECIFICATIONS

ITALIANO

AVVERTENZE PER LA SICUREZZA E PRECAUZIONI D’USO

DESCRIZIONE

INSTALLAZIONE

COLLEGAMENTO

NOTE SUI SISTEMI A TENSIONE COSTANTE

DATI TECNICI

ENGLISH

SAFETY PRECAUTIONS

IMPORTANT NOTES

Before connecting and using this product, please read this instruction manual

carefully and keep it on hand for future reference. This 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.

SAFETY PRECAUTIONS

1. All the precautions, in particular the safety ones, must be read with special

attention, as they provide important information.

2. Loudspeaker lines (ampliﬁer outputs) can have a sufﬁciently high voltage

(i.e. 100-70 V) to involve a risk of electrocution: never install or connect this

loudspeaker when the line is alive.

3. Make sure all connections have been made correctly and the loudspeaker

input voltage is suitable for the ampliﬁer output.

4. Protect loudspeaker lines from damage. Make sure they are positioned in a

way that they cannot be stepped on or crushed by objects.

5. Make sure that no objects or liquids can get into this product, as this may

cause a short circuit.

6. 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 loudspeaker does not function (or works in an anomalous way).

-The cable has been damaged.

-Objects or liquids have got into the unit.

-The loudspeaker has been damaged due to heavy impacts or ﬁre.

7. Should the loudspeaker emit any strange odours or smoke, remove it from

the line after having immediately switched the ampliﬁer off.

8. 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 loudspeaker 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 (wall plugs, 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.

ENGLISH

9. RCF S.p.A. strongly recommends this product is only installed by

professional qualiﬁed installers (or specialised ﬁrms) who can ensure a

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.

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

necessary to wear ear plugs or protective earphones.

See the technical speciﬁcations in the instruction manual for the maximum

sound pressure the loudspeaker is capable of producing.

12. To ensure a correct sound reproduction, loudspeaker phase is to be

respected (loudspeakers are connected respecting the ampliﬁer polarity).

This is important when loudspeakers are installed adjacent one another, for

instance, in the same room.

13. To prevent inductive effects from causing hum, noise and a bad system

working, loudspeaker lines should not be laid together with other electric

cables (mains), microphone or line level signal cables connected to ampliﬁer

inputs.

14. The loudspeaker cable shall have wires with a suitable section (twisted,

if possible, to reduce inductive effects due to surrounding electro-magnetic

ﬁelds) and a sufﬁcient electrical insulation. Refer to local regulations since

there may be additional requirements about cable characteristics.

15. Install this loudspeaker far from any heat source.

16. Do not use solvents, alcohol, benzene or other volatile substances for

cleaning the external parts of this product. Use a dry cloth.

ENGLISH

DP 1420EN is an aluminium sound projector in compliance with EN 54-24

standard.

Main features:

-130 mm (5”) loudspeaker

-Cylindrical extremely sturdy body in extruded aluminium

-It can be installed both indoors and outdoors, thanks to its IP 66 protection

grade

-Equipped with transformer for 70 V / 100 V constant voltage lines

-Internal power setting

-Two ceramic terminal strips for input and output cable connections

-Earth contact

-Thermal fuse that prevents damages to the audio line due to heat on the

loudspeaker

-Orientable wall-mount bracket

-Excellent speech and music reproduction

-High acoustic performance

-Colour: ‘Light Grey’ (RAL 7035).

Sound projectors can be easily pointed in any direction and can be used in

sounds systems with large spaces, for instance supermarkets, railway stations,

undergrounds, factories, warehouses, etc. and in all environments that need a

good sound quality and high efﬁciency.

DESCRIPTION

RCF S.P.A. THANKS YOU FOR PURCHASING THIS PRODUCT, WHICH

HAS BEEN DESIGNED TO GUARANTEE RELIABILITY AND HIGH

PERFORMANCE.

ENGLISH

WARNING: Make sure that the loudspeaker is installed in a stable and

secure way in order to avoid any conditions that may be dangerous for

persons or structures.

Ensure the support surface (walls, ceilings, etc.) has the necessary mechanical

characteristics to support the weight of the loudspeaker.

Before installing the loudspeaker, carefully check all components to be used

and make sure there is no damage, deformation, corrosion and/or missing or

damaged parts that could reduce the safety of the installation.

This loudspeaker can be installed both indoors and outdoors.

INSTALLATION

Make connections as described in the next

manual section.

Mount the loudspeaker to the wall / ceiling

through the 7 mm holes present on its

mounting bracket.

Point the loudspeaker to the listening area

and ﬁx its position by tightening the two

bolts of its mounting bracket.

ENGLISH

Connections with the audio line are made by using

the two ceramic terminal strips situated inside the

sound projector (it is necessary to remove the rear

panel by loosening its four screws).

The IN +/– terminals are used for audio signal

input and the OUT +/– terminals (that are directly

connected to the corresponding IN +/– terminals)

can be used as an output to link additional

loudspeakers in parallel.

1. Insert cables through the two rear cable guides.

2. Connect the negative conductor (–) of the audio

line (which comes from the ampliﬁer terminal

marked –, 0 or COM) to the loudspeaker input

IN –.

3. Connect the positive conductor (+) of the audio

line to the loudspeaker input IN +.

4. Follow the same logic to connect the OUT +/– terminals, which can be

used to link additional loudspeakers in parallel.

CONNECTION

WARNING: loudspeaker connections should be only made by qualiﬁed and

experienced personnel having the technical know-how or sufﬁcient speciﬁc

instructions to ensure that connections are made correctly and to prevent any

electrical danger.

To prevent any risk of electric shock, do not connect loudspeakers when the

ampliﬁer is switched on. Before turning the system on, check all connections

and make sure there are no accidental short circuits. The entire sound system

shall be designed and installed in compliance with the current local laws and

regulations regarding electrical systems.

TERMINAL STRIP CONNECTION

OUT OUT

IN IN

OUT OUT

IN IN

70V/100V

ENGLISH

LINE TRANSFORMER CONNECTION

The loudspeaker line transformer is connected to the terminal strips through

the two conductors with FASTON connectors.

Connect the FASTON connector marked TAP (red wire) to the terminal of the

line transformer marked with the desired power.

TAP

POWER

(100 V)

2.5 W

5 W

10 W

20 W

n.c.

POWER

(70 V)

1.25 W

2.5 W

5 W

10 W

20 W

IMPORTANT NOTES:

-DoNoT remove The FASToN coNNecTor mArkeD COM (blAck wire) From The liNe

TrANSFormer COM TermiNAl.

-DoNoT coNNecT A100 v liNe To The TrANSFormer coNTAcT '5' (20 w – 70 v).

EARTHING THE LOUDSPEAKER

Insert the protective conductor of the local earth system through one of the

rear cable guides and connect it to the terminal strip contact marked with the

earth symbol.

TAP

ENGLISH

NOTES ABOUT CONSTANT VOLTAGE SYSTEMS

-The loudspeaker input voltage (Vd) shall correspond to the ampliﬁer output

voltage (Va).

-The sum of nominal power values (Pd x n) of all loudspeakers connected to

the line shall not exceed the ampliﬁer power (Pa).

-Make sure all loudspeakers are connected in phase to ensure a correct

sound reproduction.

-Always use cables having wires with an adequate cross-section, considering

the cable length and the total loudspeaker power.

-Loudspeaker lines must be kept separated from mains cable, microphone

cables or others, in order to avoid inductive phenomena may cause hum

or noises.

-Use loudspeaker cables having twisted wires to reduce hum caused by

inductive effects due to coupling with electromagnetic ﬁelds.

AMPLIFIER

Pa = Ampliﬁer power

Pd = Speaker power

n = Number of speakers

Vd = Speaker input voltage

Va = Ampliﬁer output voltage

Pa > Pd x n Va Vd=Va Vd=Va Vd=Va

ENGLISH

SPECIFICATIONS

INPUT VOLTAGE:

POWER (SELECTABLE):

INPUT IMPEDANCE:

FREQUENCY RESPONSE:

SENSITIVITY:

MAX. SOUND PRESSURE LEVEL:

COVERAGE ANGLE (– 6 dB):

TRANSDUCER:

BODY MATERIAL:

GRILLE MATERIAL:

BRACKET MATERIAL:

COLOUR:

CONNECTORS:

IP PROTECTION GRADE:

DIMENSIONS:

NET WEIGHT:

OPERATING TEMPERATURE:

100 V – 70 V

20 W – 10 W – 5 W – 2.5 W (100 V)

20 W – 10 W – 5 W – 2.5 W – 1.25 W (70 V)

250 Ω(20 W – 70 V)

500 Ω(20 W – 100 V / 10 W – 70 V)

1 kΩ(10 W – 100 V / 5 W – 70 V)

2 kΩ(5 W – 100 V / 2.5 W – 70 V)

4 kΩ(2.5 W – 100 V / 1.25 W – 70 V)

160 Hz ÷ 20 kHz (–10 dB)

92 dB (1 W, 1 m)

105 dB (20 W, 1 m), 93 dB (20 W, 4 m)

hor.: 254° (500 Hz), 155° (1 kHz), 121° (2 kHz), 62° (4 kHz)

vert.: 254° (500 Hz), 155° (1 kHz), 121° (2 kHz), 62° (4 kHz)

130 mm (5”)

aluminium

‘Light Grey’ (RAL 7035)

ceramic terminal strips

IP 66

ø 146 mm x 200 mm

2.5 kg

- 40 ÷ + 70 °C (- 40 ÷ + 158 °F)

61.0

Ø 7.0

Ø 146.0

156.0 200.0

Unit: mm

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