Wharfedale Pro Crystal-4.2 User manual

CRYSTAL 4 SERIES

Crystal-4.1

Crystal-4.2

Crystal-4.3

Crystal-4.4

Crystal-4.C

User's Manual

IMPORTANT SAFETY INFORMATION

This symbol indicates that there are important operating and maintenance

instructions in the literature accompanying this unit.

USER INSTRUCTIONS: Crystal 4 Series USER INSTRUCTIONS: Crystal 4 Series

BEFORE INSTALLING THIS PRODUCT READ ALL THESE INSTRUCTIONS!

Read these instructions. Keep these instructions. Heed all warnings. Follow all instructions.

Before making any connections, switch all the units in your system o at the mains.

Set the volume control at minimum when you switch on your system or change sources and turn the level up

gradually.

DO NOT use your amplier at full volume.

Ensure that all loudspeakers in the system are correctly wired.

DO NOT subject your loudspeakers to excessive cold, heat, humidity or sunlight.

Loudspeakers should not be placed directly facing other hi- units, or share the same shelf or cabinet.

DO NOT place heavy objects on top of loudspeakers.

Some manufacturers forbid the placing of objects on top of their TV sets. Check your TV handbook before

installing the speaker directly on your TV set. Consult your TV dealer if you are in any doubt.

DO NOT connect speaker terminals to the mains supply.

DO NOT dismantle the loudspeaker. There are no user serviceable parts inside it and you will void the warranty.

Refer all servicing to qualied service personnel. Servicing is required when the apparatus has been damaged in

anyway, the apparatus has been exposed to rain or moisture, does not operate normally, or has been dropped.

Caution: Changes or modications not expressly approved by the manufacturer could void the user’s authority to

operate this device.

Unpacking

After taking out the top packing piece, lift the loudspeakers from the carton. Do NOT lift a loudspeaker out using

the protective bad. After unpacking remove all the protective bags from the loudspeakers and store or dispose

of them safely.

The Crystal-4.3 and Crystal-4.4 are heavy. If you are unsure of your ability to unpack and manoeuvre them safely,

get someone to help you.

Check all items after unpacking. If any item is missing or damaged, immediately contact your Wharfedale dealer.

Retain the packaging. If you dispose of the packing, follow all recycling regulations in your area.

USER INSTRUCTIONS: Crystal 4 Series USER INSTRUCTIONS: Crystal 4 Series

Preparing The Crystal-4.3 and Crystal-4.4 Loudspeakers

Place a soft cloth on the oor to protect the speaker.

Invert the loudspeaker and place it on the cloth.

Thread a locking nut two-thirds of the way up the

spike. Thread each spike assembly into a spike mount.

Tighten nger tight so that spike is secure but not

locked in place.

Levelling The Loudspeaker

Invert the loudspeaker and place int carefully on the

oor. If the oor is not perfectly level you will nd that

one spike is o the ground. Starting with this spike,

unscrew it so that it touches the oor. Move the other

spikes in and out so until the speaker is level front and

back and sideways. Now tighten the nuts to lock the

spikes rmly in position.

Spike Seats: A set of spike seats is provided for

sensitive oors. Place a seat under each spike before

you level the speakers.

Caution: Spikes Are Sharp

Make sure that there are no wires or hidden obstacles

that could be damaged by the spikes in the

immediate operational area of the speakers. NEVER

drag a loudspeaker on its spikes. Always lift it. If the

item is heavy get assistance.

Attaching The Spikes

USER INSTRUCTIONS: Crystal 4 Series USER INSTRUCTIONS: Crystal 4 Series

Positioning Stereo Loudspeakers

The Crystal-4.3 and Crystal-4.4 are oor standing. We

suggest they are positioned at least 200mm from

the rear walls and 700mm from the side walls, facing

slightly inwards. The Crystal-4.1 and Crystal-4.2 maybe

stand or wall mounted or placed on a rigid shelf.

The bass extension will improve if smaller speakers

are operated closer to the rear walls. If the

loudspeakers are placed too close to the walls the

bass will increase but maybe boomy and indistinct. If

the loudspeakers are placed away from the

walls, the inward angle maybe increased by up to

40%, but this may restrict the width of the optimum

listening position.

A rule of thumb is that the listener should be as far

from the loudspeakers as they are from each other.

The speakers should be ideally positioned so that the

treble units are roughly at ear level to a seated listener.

As personal taste plays a large role, experiment

with dierent congurations and play a wide range

of programmes before nalising the position of your

speakers.

USER INSTRUCTIONS: Crystal 4 Series USER INSTRUCTIONS: Crystal 4 Series

Positioning Home Cinema Loudspeakers

5.1 Positioning

Place the front speakers as shown. Front loudspeakers

should be placed away from the walls for best results.

Angling the speakers inward slightly will improve

stereo images but too extreme an angle will impair

the movie sound.

All the speakers with the exception of the Crystal-4.

C must be placed at least 450mm from a CRT TV. Flat

panels are unaected.

The Crystal-4.C centre speaker can be placed above

or below the TV screen.

Subwoofer room positioning is not critical but we

recommend that it is placed in front of the listening

seat. Never operate the subwoofer within 450mm of a

conventional TV screen.

The surround speakers should be placed above and

behind the listening seat. They may be mounted on

the side walls or on the rear walls but always behind

a listener. Do not operate them within 450mm of a

conventional CRT TV.

If the distance between the side walls is too great, you

could use a second pair of stand mounted or oor

standing loudspeakers, as the surround loudspeakers

placed as shown in the drawing opposite.

7.1 Positioning

If you are using a 7.1 system, the back loudspeakers

must be at least 1 metre behind the listening seat.

Wall Monting Positions

If you arewall mounting the centre and eects

loudspeakers we recommend that they be mounted

as shown.

The Crystal-4.1 has integral speaker mounts. To wall

mount the Crystal-4.C we recommend that you

consult your dealer to advise you on a suitable wall

bracket.

Wall mounting the centre loudspeaker below the

screen is not recommended unless the screen is

mounted signicantly above eye level. Consult your

TV user guide for preferred placement options.

USER INSTRUCTIONS: Crystal 4 Series USER INSTRUCTIONS: Crystal 4 Series

Left Surround

Left Back

90º

110º

135º

150º

22º 30º

LFE

Centre

Right Back

Right Front

Left Front

Right Surround

(Single back channel

for 6.1sound)

Doby Labs Recommended 7.1 Placement

Wall Mounting The Crystal-4.1 Loudspeakers

The crossover terminal panel of the Crystal-4.1

loudspeaker is provided with an integral keyhole slot

for wall mounting. Wall mounting should be carried

out by licensed sound contractors or technicians

with appropriate qualications and experience. All

installations and wiring should comply with the

standards laid down by the competent authority

in the country and place of installation. Before you

attempt wall or ceiling mounting, ensure the surface

is stable and strong enough to support the weight of

the speaker and mounting hardware.

You will need 1 No.8 screw and matching wall plug

to attach each loudspeaker to the wall. These are

the responsibility of the installer who should supply

suitable xings for this purpose.

Drill one 6mm hole in the wall at a suitable height o

the oor. Fix a suitable No 8 round head screw rmly

into each hole using appropriate wall plugs. Leave

a stub of 7mm protruding from the wall. Align the

keyhole slot in the crossover panel over the screw

head and carefully lower the unit onto the screw.

Remove the loudspeakers from the wall ready for

connection. After connection they can be re-installed

on the wall.

Connecting Your Loudspeakers

USER INSTRUCTIONS: Crystal 4 Series USER INSTRUCTIONS: Crystal 4 Series

40mm

8mm

Terminal Panels

All the loudspeakers are connected to the amplier

via a twin terminal connecting panel. The positive

terminal is located at the right of the panel and is

coded red, the negative terminal is coded black.

Cable Preperation:

Prepare a suitable length of loudspeaker cable for

each unit. Split the twin cores to a depth of about

40mm. Carefully strip the insulation from each

end, leaving about 8mm of bare wire. If the cable is

stranded, lightly twist together any loose strands.

Threading Cable

Unscrew a terminal. Thread the bared end of each

cable through the hole in the bottom of the terminal

post. Ensure that there are no loose strands which

may touch adjacent terminals. Retighten the terminal

securely.

Amplier – Speaker Connections:

Audio cable is polarised, with two cores of dierent colours, or often a coloured tracer or identication rib. We

suggest that you connect the coloured / striped wire to the red, positive terminals of your AV amplier. This will

ensure that all the loudspeakers are connected the correct way round and avoid set-up problems.

Connect each loudspeaker to the correct channel of your amplier or AV processor taking care to connect

the red (+) positive terminal of the speaker to the red, positive (+) terminal of the speaker output terminal of the

amplier and similarly with the black, negative (-) terminal. Use the connection diagrams on the next page to

help you.

USER INSTRUCTIONS: Crystal 4 Series USER INSTRUCTIONS: Crystal 4 Series

Connecting Your Loudspeakers

NOR

FTH

STEREO AMPLIFIER

ROOM PLACEMENT

Stereo Connection

CENTRE

RIGHT LEFT

SURROUND LEFTSURROUND RIGHT

ROOM PLACEMENT

To Subwoofer

SL SR

5 Channel Connection

7 Channel Connection

USER INSTRUCTIONS: Crystal 4 Series USER INSTRUCTIONS: Crystal 4 Series

Setting Up A Stereo System

Ensure that the listening seat is central to the loudspeakers.

Play some music with which you are familiar. Adjust the speakers for the optimum performance. You will nd that

a few degrees more or less ‘toe in’ can eect the sound dramatically.

The sound should be well balanced with a rm bass. If the sound lacks denition or the bass is indistinct, the

Setting Up An AV System

Please read the relevant sections of your AV amplier manual and familiarise yourself with the various

issues. If you are unsure, consult your dealer for help.

Most digital AV processors require you to specify the size of speakers in all operational channels. These are

usually ‘Large’ or ‘Small’. Set all the bookshelf speakers to ‘Small’. This will direct all the bass in the system to the

subwoofer for clean, deep and louder bass. The oorstanding loudspeakers should be set to ‘Large’. It is normal

for a centre and eects speakers to be set to ‘Small’. Set the ‘Subwoofer’ option n the processor to ‘On’. If there is

no subwoofer in the system set all the speakers to ‘Large’ and set the subwoofer to ‘O’.

When the loudspeaker settings are nalised, put the AV amplier into its ‘Test’ mode (see your processor

instruction) and adjust the levels until all channels are equally loud.

Troubleshooting

IF YOUR LOUDSPEAKERS ARE NOT WORKING SATISFACTORILY, PLEASE WORK THROUGH THE TABLE BELOW BEFORE CONTACTING YOUR

DEALER FOR ASSISTANCE. BEFORE INVESTIGATING A PROBLEM, SWITCH OFF THE SYSTEM AT THE MAINS

Symptom Possible Cause

No Sound System not switched on; Speaker cables shorting terminals out; wrong source selected

Sound lacks bass content

Bass reproduction is indistinct

Front loudspeakers out of phase. Check all system connections and rectify.

Subwoofer not switched onl Subwoofer phase incorrected; Subwoofer crossover control too low

Excessive bass distortion at low volumes Subwoofer level set too high; LFE level set too high; Subwoofer incorrectly wired

Excessive or distorted bass at high levels System level set too high; Bass control set too high

Distortion / rattling at high levels System level too high; Objects too close or on top of speakers

Indistinct Sound; Poor localisation of eects.

Poor localisation of dialogue.

One or more loudspeakers is out of phase. Check all system connections and rectify.

(Read the manual for correct connection procedure)

USER INSTRUCTIONS: Crystal 4 Series USER INSTRUCTIONS: Crystal 4 Series

Further Information

Care and Maintenance

If you play the speakers with the grilles o exercise

great care. NEVER touch drive units which are easily

damaged. The loudspeaker cabineys can be cleaned

with a damp cloth or with a spray furniture polish and

a soft cloth. Apply the spray sparingly to the cloth and

then polish the cabinet. Never apply spray directly to

the cabinet.

Guarantee & Service

In the unlikely event that your unit develops a fault

you should return it to the Wharfedale dealer using

the original packing to ensure safe shipping.

The terms of your guarantee may vary in dierent

countries but in all cases the guarantee excludes.

All damage caused through accident, misuse, wear

and tear, neglect, incorrect installation, adjustment or

repair by unauthorised personnel is not covered by

your warranty.

Wharfedale will not be liable for any consequential

damage, loss or injury, arising from or inconjunction

with this equipment.

Authorised Service Centres

IAG UK LTD.

IAG House 13/14 Glebe Road, Huntingdon,

Cambridgeshire, PE29 7DL, England

Tel: +44 (0)1480 447700

ASIA

IAG Group LTD.

Sanecore Industrial Park, Jiuwei, Xixiang, Shenzhen

China

Tel: +86 755 27483535

Additionally, Wharfedale retailers and global

distributors will be able to assist you on nding

authorised service centres worldwide. To nd your

Wharfedale distributor visit www.wharfedale.co.uk

Wharfedale has a policy of continuous product

development and reserves the right to change

specication without notice.

The name ‘Wharfedale’ is a registered trademark of

Wharfedale International Ltd. Wharfedale is a member

of the International Audio Group

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