Revox Re:sound ICS 53 User manual

IWS + ICS

Re:sound I

Contents

INTRODUCTION

- Unpacking

- General

Speaker position

- General

- Large room installation

- Surround speaker

Total speaker impedance

INSTALLATION - Preparation

Suspended ceilings / hollow walls

Installation in fitted housing

INSTALLATION

Painting

Disassembling

Technical hints

Technical data

Guarantee

Disposal of your old product

6-7

8-10

IWS + ICS

Re:sound I

INTRODUCTION

Dear Customer and Music Fan

Congratulation on the purchase of

your new Revox fitted speakers. We

are grateful for the trust that you

have shown in our company through

your choice of these high quality

products.

Your Revox fitted speakers were

developed based on the latest in

acoustic know-how and were

manufactured with great care.

Before you start to use them, we

would recommend that you read this

manual thoroughly so that you will be

able to get the best sound results.

Unpacking

Please check that the all parts are

included before you start installation.

2 x Fitted speakers

2 x Metal grills

1 x Cut-out template

We recommend that you keep the

packaging material in case you

should need it in the future to

transport the speakers.

General

The Re:sound I inceiling 52 / 82 (ICS)

and inwall 52 / 82 (IWS) speakers are

designed to be installed in

suspended ceilings or in wall-

cladding. The integrated rotary

tensioner enables installation in

walls up to 32 mm thick.

Suitable fitted housings are available

from Revox if you want to install in

solid ceilings or walls. You will find

further information about Revox fitted

housings on Page 6+7.

Protective circuit

Both fitted speakers have a separate

protective circuit for the bass and

treble speakers, which reduces the

level of the speaker in the case of an

overload and reactivates it

automatically after a certain time. The

length of time is dependant on the

extend of the overload.

Magnetic fixture

The speakers offer a magnetic fixture

of the speaker grill, which reduces

the visible height to a minimum of 3,8

mm and in addition enables a very

easy installation.

IWS + ICS

Re:sound I

Speaker position

General

Here are a couple of tips for you about

lining the speakers up, before you start

the installation. The speaker is

designed to achieve the optimum

reproduction if walls and room corners

are at least 0.5 meters from the

speaker. A shorter distance leads to

resonance in the bass ranges and to

booming effects.

There should be about 30 mm free

space to the side behind the fitted

opening so that the rotary tensioner

can be got into position (see

drawing).

Ideal fitting volume:

ICS 52 / IWS 52:  10 Liter (dm³)

ICS 82 / IWS 82 :  25 Liter (dm³)

Ducting warning

There shouldn’t be any loose ducting in

the fitting recess as these could vibrate

with the speakers. This would result in

a permanent background noise.

Large room speaker assignment

In the case of large rooms, we

recommend that you distribute

several speakers throughout the

room rather than just installing a

single speaker. Here, the total

impedance must be taken into

account. The possible switching

options of two or more speakers are

explained in the following chapter

The total impedance of speakers

. The

important factors in relation to the

maximum volume are the membrane

cone area and the sensitivity of the

speaker, measured as dB per watt in

1m distance.

In general, the following rule is valid:

the larger the speaker and the

greater the amount of volume

available to it, the lower the deepest

limit frequency.

Usage as Home Cinema surround

speaker

The sound from the surround

speakers should be as diffused as

possible. As a rule, the speakers

should be positioned behind the

listener and at least 0.6 metres above

ear level. Ceiling installation in this

case leads to good results. The

positioning is less important with

surround speaker usage than in other

cases.

IWS + ICS

Re:sound I

The total impedance of speakers

The total impedance when using

several speakers per channel

depends on the individual

impedances and the switching

option. The speaker switching

options are series and parallel. If the

total impedance is too low, causes

an overload of the amplifier (high

current) and causes the protective

circuit to be permanently activated. If

the total impedance is too high, the

amplifier is prevented from

damage(low current), but on the

other hand, maximum achievable

volume is very low and the speaker’s

full potential is not used.

As the impedance is the speaker’s

frequency-dependant resistor, Revox

recommends that you carry out a test

at the threshold of the permitted

speaker impedance.

Take note of the polarity of the

individual speakers with the various

switching options. The speakers should

always be of the same type, in order to

avoid variances in sound pressure and

radiation. If one or even more

speakers are connected with

reversed polarity, this results in a

significantly reduced bass

reproduction, together with an

imprecise and diffused sound

picture.

Parallel switching

Z =

Z+ Z+ Z+Z

Z x Z x Z x

1 2 3 n

Two speakers in parallel

fig. 1

Three speakers in parallel

fig. 2

Result fig. 1

The parallel switching of 2 speakers

is not a problem.

Result fig. 2

The parallel switching of 3 speakers

leads to a very low overall

impedance and is therefore not

recommended!

IWS + ICS

Re:sound I

You need to use the supplied fitting

template when doing a standard

installation of the fitted speakers in a

suspended ceiling or wall.

ICS 52 – Installation opening

165 mm

6.5 inch

IWS 52 – Installation opening

148 mm

5.83 inch

R 12 mm

R 0.5 inch

Max. wall thickness: 32 mm

Make sure that once the opening has

been cut out, no dirt remains in the

installation opening and that any

movable parts are fixed in place.

ICS 82 – Installation opening

238 mm

9.4 inch

IWS 82 – Installation opening

222 mm

8.75 inch

R 12 mm

R 0.5 inch

Max. wall thickness: 32 mm

Installation in suspended ceilings or hollow walls

INSTALLATION - Preparation

IWS + ICS

Re:sound I

In the case of a new-build, we

recommend the use of the

corresponding, watertight fitted

housing from Revox. This is either fitted

in the wall at the building shell phase or

fixed to the boarding when sealing the

walls or ceiling.

The build-in housing from Revox

includes all the required parts:

1 x Wooden build-in housing

1 x Sound-proofing material

1 x Hinged cover

Inceiling 52 fitted housing

Part no.: 1.084.480.00

Sealing the fitted housing

The fitted housing is fixed to the

boarding with 4 nails at the pre-

drilled positions.

Flush mounting the fitted housing

If the fitted housing is to be flush

mounted in a brick wall, you must

ensure that the plaster coating that is

added later, is flush with the housing.

Inceiling 82 fitted housing

Part no.: 1.084.485.00

410 mm / 16.2 inch

112.5 mm

4.43 inch

12.5 mm / 0.5 inch

100 mm / 16.2 inch

450 mm / 17.8 inch

250 mm / 9.85 inch

112.5 mm

4.43 inch

12.5 mm / 0.5 inch

250 mm / 9.85 inch

290 mm / 11.5 inch

Installation in the Revox fitted housing - option

INSTALLATION - Preparation

IWS + ICS

Re:sound I

Inwall 52 fitted housing

Part no.: 1.084.561.00

Inwall 82 fitted housing

Part no.: 1.084.566.00

Speaker cabling

There is a round hole on the side wall

of the fitted housing which can take a

20 mm diameter cable duct (EN20

flexible ducting).

You must ensure that the joint

between the housing and the cable

duct is completely sealed and that no

concrete can penetrate from the

side.

Damping with sound proofing material

Revox recommends that the fitted

housing should be damped, through

the insertion of an even amount of

loosely-placed sound proofing

material. This increases the acoustic

volume and the speaker can

reproduce deeper frequencies. It

also reduces reflections on the rear

of the membrane, allowing the mid-

range reproduction to be clearer and

more natural.

Polyester fleece is suitable for use as

sound-proofing material, but you can

also use mineral wool or fibre glass.

The sound-proofing material is

included with the Revox build-in

housing.

Important:

You must make sure that the material

that you use in addition conforms to

local building and fire protection

regulations.

410 mm / 16.2 inch

112.5 mm

4.43 inch

12.5 mm / 0.5 inch

100 mm / 16.2 inch

450 mm / 17.8 inch

250 mm / 9.85 inch

112.5 mm

4.43 inch

12.5 mm / 0.5 inch

250 mm / 9.85 inch

290 mm / 11.5 inch

IWS + ICS

Re:sound I

INSTALLATION

Info

The Re:sound I inceiling and inwall

speakers have integrated rotary

tensioners to enable quick

installation. These rotary tensioners

are located on the rear of the

speaker and swivel out through 90°

once the 4 marked screws (see

figure on the next page) on the front

of the speaker are screwed in.

Power should be switched off when

installing the speaker.

Installation

Step 1

Connect the speaker cable, with the

correct polarity, using the pluggable

screw connectors.

Step 2

Insert the screw connectors in the

corresponding socket, which is

located on the crossover board of the

speaker.

Step 3

Insert the fitted speaker into the

opening and tighten the 4 rotary

tensioner screws a little, until the

speaker flange is held in position at

the sides. Under no circum-stances

should the speaker flange be twisted.

Revox

fitted housing:

Don’t forget the sound proofing

material.

Step 4:

In the last step the magnetic speaker

grill is attached to the speaker.

IWS + ICS

Re:sound I

inceiling 52 speaker

inceiling 82 speaker

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