RCF BS 2620 Manuel utilisateur

BS 2620 -Spherical loudspeaker for

suspended installation

-Diffusore a sfera per

installazione sospesa

TABLE OF CONTENTS

INDICE

ENGLISH

SAFETY PRECAUTIONS

DESCRIPTION

INSTALLATION

CONNECTION

SPECIFICATIONS

ITALIANO

AVVERTENZE PER LA SICUREZZA

DESCRIZIONE

INSTALLAZIONE

COLLEGAMENTO

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. 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.

SAFETY PRECAUTIONS

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

attention, as they provide important information.

2. Never install or connect this loudspeaker when the amplier is switched

on.

3. Make sure all connections have been made properly (according to the the

amplier 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, modications or repairs that

are not expressly described in this manual.

Contact your authorized service centre or qualied 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 re.

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

the line after having immediately switched the amplier 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

specic 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.

ENGLISH

SAFETY

PRECAUTIONS

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

professional qualied installers (or specialised rms) 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 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 technical specications in the instruction manual for the maximum

sound pressure the loudspeaker is capable of producing.

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

respected (loudspeakers are connected respecting the amplier 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 amplier

inputs.

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

if possible, to reduce inductive effects due to surrounding electromagnetic

elds) and a sufcient 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 overload this product.

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

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

ENGLISH

WARNING: loudspeakers are to be installed by qualied personnel, respecting all

safety standards.

Every loudspeaker must be installed securely: make sure the ceiling (or false

ceiling) can support the loudspeaker weight, without the risk of a fall that could

damage things or cause an injury.

Use attachment elements suitable for walls / ceilings (e.g. screw anchors for

bricks, concrete, etc.). The loudspeaker can be installed both indoors and outdoors.

Do not use BS 2620 in places with high winds.

To prevent malfunctions, do not aim loudspeakers upwards.

Make sure the installation is safe, by suspending the loudspeaker through its

cable coming out from its top. After connecting the loudspeaker, cover its support

through its semi-spherical cap.

INSTALLATION

RCF S.P.A. WOULD LIKE TO THANK YOU FOR PURCHASING THIS

PRODUCT, WHICH HAS BEEN DESIGNED TO GUARANTEE RELIABILITY

AND HIGH PERFORMANCE.

BS 2620 is a spherical loudspeaker designed for suspended installation.

Ideal for large areas, it incorporates a 6” dual cone transducer that provides high

quality sound reproduction.

MAIN FEATURES

-Dual cone 6” transducer made of water-repellent material.

-Body in self-extinguishing plastic UV-resistant (to prevent from fading or

yellowing its colour).

-It can be installed both indoors and outdoors, thanks to its IP 55 grade.

-Equipped with matching transformer for 100 V constant voltage lines and

power tapping.

-It can be connected to an amplier low impedance output.

-5 m connection cable.

-White colour (RAL 9010).

DESCRIPTION

ENGLISH

Notes:

-toeNsure acorrect musical 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.

use bipolar cables that have markiNgs to distiNguish the polarity (e.g. iNsulatioN of

differeNt colours, coNductors of differeNt colours, etc.).

-topreveNt iNductive effects from causiNg hum, Noise aNd abad system workiNg,

loudspeaker liNes should Not be laid together with other electric cables (maiNs),

microphoNe or liNe level sigNal cables coNNected to amplifier iNputs.

-the loudspeaker cable shall have wires with asuitable sectioN (twisted, if possible, to

reduce iNductive effects due to surrouNdiNg electro-magNetic fields) aNd asufficieNt

electrical iNsulatioN. the greater the distaNce betweeN the amplifier aNd the speaker,

the larger the coNNectioN cable cross-sectioN should be to limit the voltage loss

aloNg the liNe.

BS 2620 loudspeakers can be connected to either 100 V constant voltage lines or

amplier low impedance outputs.

The connection to the line is made through the 7-wire cable coming out from the

loudspeaker top.

WARNING: loudspeaker connections should only be made by qualied and

experienced personnel having the technical know-how or sufcient specic

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

amplier 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.

CONNECTION

ENGLISH

WARNING: do NOT connect the BLACK wire (8 ) to a 100 / 70 V line (as

this may damage the loudspeaker and / or the amplier)!

Notes:

-theloudspeakeriNputvoltage(vd)shallcorrespoNdto the amplifier output voltage(va).

-the sum of NomiNal power values (pdxN) of all loudspeakers coNNected to the liNe

shall Not exceed the amplifier power (pa).

100 V CONSTANT VOLTAGE LINE

When connecting a BS 2620 to a 100 V constant voltage line, its wires (to be

linked) shall be chosen according to the desired power rate (as indicated in

the following table):

COLOUR POWER IMPEDANCE

RED Common wire (+, positive)

WHITE 20 W 500 

BLUE 15 W 666 

YELLOW 10 W 1 K

GREEN 5 W 2 K

BROWN 2.5 W 4 K

Connect the amplier positive output (+, 100 V, a) to the loudspeaker

common RED wire.

Connect the amplier negative output (–, 0, COM, b) to the other

loudspeaker wire (white, blue, yellow, green or brown) chosen according to

the desired power rate. Insulate all unused wires.

Before turning the amplier on, check connections again.

If connecting to a 70 V line, its power rate will be halved.

AMPLIFIER

Pa = Amplier power

Pd = Speaker power

n = Number of speakers

Vd = Speaker input voltage

Va = Amplier output voltage

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

ENGLISH

LOW IMPEDANCE CONNECTION (8 )

Connect the amplier positive output to the loudspeaker common RED wire.

Connect the amplier negative output to the loudspeaker BLACK wire.

Insulate all unused wires.

Before turning the amplier on, check connections again.

Max. power is 20 W.

Notes:

-the siNgle loudspeaker impedaNce or its total value (wheN several loudspeakers are

liNked iN series / parallel) must Not be lower thaN the amplifier output impedaNce.

-a loudspeaker total impedaNce equal to the amplifier output oNe permits to get the

maximum deliverable power (but aN higher loudspeaker impedaNce eNtails less power).

-the total loudspeaker power shall be adequate for the maximum deliverable power

of the amplifier.

-the loudspeaker liNe shall be as short as possible (for loNg distaNces, it may be

Necessary to use cables with large cross-sectioN wires).

-the impedaNce of asiNgle loudspeaker is 8 Ω; the total impedaNce of the parallel of

2 loudspeakers is 4 Ω (impedaNce = 8 / loudspeaker Number).

EXAMPLE: 100 V LINE CONNECTIONS AND TAPPING

0100 V 100 V - 20 W

Loudspeaker set to 20 W

100 V - 5 W

Loudspeaker set to 5 W

100 V - 2.5 W

Loudspeaker set to 2.5 W

100 V - 15 W

Loudspeaker set to 15 W

100 V - 10 W

Loudspeaker set to 10 W

Red

White

Red

Green

Red

Brown

Red

Blue

Yellow

Red

ENGLISH

SPECIFICATIONS

Type:

Power (100 V line):

Power (8 ):

Sensitivity (1 W, 1 m):

Max. sound pressure (20 W, 1 m):

Frequency response:

Coverage angle (– 6 dB):

IP protection grade:

Connecting cable length:

Dimensions:

Net weight:

spherical loudspeaker with transformer

20 W – 15 W – 10 W – 5 W – 2.5 W

20 W

93 dB

106 dB

100 Hz ÷ 20 kHz

240° (500 Hz)

180° (1 kHz)

100° (2 kHz)

60° ( 4 kHz)

IP 55

5 m

ø 260 mm

3 kg

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