Q Acoustics Concept Series Instructions d'installation

User Manual and

Product Specications

Concept Series

Read these instructions.

Keep these instructions.

Heed all warnings.

Follow all instructions.

Do not use this apparatus near water.

Clean only with dry cloth.

Do not block any ventilation openings.

Install in accordance with the manufacturer’s

instructions.

Do not install near any heat sources such as

radiators, heat registers, stoves, or other apparatus

(including ampliers) that produce heat.

Use only attachments/accessories specied by the

manufacturer. Use only with a cart, stand, tripod,

bracket, or table specied by the manufacturer, or

sold with the apparatus.

When a cart is used, use caution when moving the

cart/apparatus combination to avoid injury from

tip-over.

Unplug this apparatus during lightning storms or

when unused for long periods of time.

Warning: To reduce the risk of re or electrical

shock, do not expose this product to rain or

moisture. The product must not be exposed to

dripping and splashing and no object lled with

liquids such as a vase of owers should be placed

on the product.

No naked ame sources such as candles should be

placed on the product.

Caution: Changes or modications not expressly

approved by the manufacturer could void the

user’s authority to operate this device.

Service: Equipment for servicing should be

returned to the supplying dealer, or to the service

agent for your area. The addresses of the main

Service Agents for the UK are listed in this manual.

Third parties: In the unlikely event that you pass

this product on to a third party, include these

operating instructions with the product.

Important Information - Please Read Carefully

Introduction

The Q Acoustics Concept Series is a range of loudspeakers designed to meet the

highest expectations of dedicated 2-channel audiophiles and discerning movie

enthusiasts.

The range comprises:

Concept 20: Bookshelf speaker with a 125mm bass driver.

Concept 40: Floorstander with two 125mm bass drivers.

Before making any connections to your loudspeakers make sure that all active

units in your system are switched o at the mains.

When switching on your sound system or changing input sources, set the main

volume control at a low level. Turn up the level gradually.

NEVER play your sound system at full volume.The position of the volume control

is deceptive and does not indicate the power level of the system. Using very high

volume settings may damage your hearing.

DO NOT connect your loudspeaker terminals to the mains supply.

Q Acoustics Concept Series

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

If you play your loudspeakers without their grilles on, be careful to protect the

drive units from damage.

DO NOT use makeshift stands. Fit the Q-Acoustics dedicated stand according

to the instructions and using any xings provided. Your dealer will advise you.

DO NOT dismantle the loudspeaker. You will invalidate the warranty.

Unpacking your loudspeakers

Unpack the speakers fully. Lift the speakers from the cartons by holding the

cabinets. Do not use the protective bags to lift them. The Concept 40s are heavy

- get assistance to lift them if necessary.

When manoeuvring loudspeakers, do not drag them across the oor as this may

cause damage - lift them before moving them.

In the carton you will nd: The loudspeaker/s and this product manual.

Check the product carefully. If any items are damaged or missing, report this to

your dealer as soon as possible.

Retain the packaging for future transport. If you dispose of the packaging, please

do so following all recycling regulations in your area.

Fitting the Floorstand Spikes - Concept 40

Preparation

Warning

Do not strike the glass with anything hard or pointed.

Do not stand on glass base.

Do not overtighten the xings.

Spikes should be tted where oors are carpeted,

for all exposed oors - wood, tiled etc use the

domed feet. To avoid damage when spikes are tted

take care to place the stand where it cannot mark

furnishings or pierce mains cables etc. The spikes will

not damage carpets.

Warning

Do not use close to a strong heat source - radiators, heaters or electrical equipment. Do not expose the

stands to excessive cold, heat, humidity or sunlight. To clean use a damp cloth with washing up liquid if

necessary. Do not use abrasive cleaners or cleaners containing solvent.

Spikes are sharp. Exercise care!

Never place a spiked loudspeaker where it can cause damage!

Always move your loudspeakers by lifting them - never drag

them!

x 4

Foam Bung

The Concept Series speakers are rear ported and designed to work best with

some space behind them i.e. 200mm or so away from a wall. If you position your

speakers close to a wall/corner then the foam bungs should be inserted into the

rear ports or there could be too much bass.

Preparation

Ensure bungs are tted snugly into the port without inserting them too far.

You will nd the level of bass is reduced but denition and bass extension is

increased. Experiment to see what you prefer and try making small changes to

the position of the speaker to optimise the nal result.

Concept 40

The Concept 40 loudspeakers should be positioned at least 200mm from a back

wall and 500mm from the side walls. Placing the speakers closer to the wall

will increase bass but could cause the sound to boom and lack precision and

detail. The speakers should be 2m - 4m apart and central to the seated listener.

Turning the speakers slightly inwards will sharpen a stereo image but may cause

narrowing of the sound source.

Concept 20

The Concept 20s are ideally mounted on Concept oor stands. If you are stand

mounting, a simple guide is that the treble unit should be at ear level to a seated

listener. Stand mounted speakers should be treated as oorstanding speakers

except that the speaker may be placed a little closer to the back wall. Shelf

mounting is also possible. Be prepared to experiment to nd the best setup for

your taste in your particular listening room.

Positioning

Loudspeaker Cables

Specialist loudspeaker cables will oer a higher standard of reproduction than

general purpose ‘bell’ or ‘zip’ wire. Use cable with generous amounts of copper.

Thin cables reduce the bass and restrict the dynamic range.

Speaker cable has a stripe or tracer along one core. By convention this is

connected to the positive terminals. The cables connecting the amplier to the

front loudspeakers should ideally be the same length. Never join cables - use

complete lengths.

Terminals and Connectors

The Concept 20s and 40s are bi-wireable. A bi-wireable crossover has four

terminals. The upper pair of terminals connect to the treble (HF) speaker and the

lower pair to the bass (LF) speaker/s. As supplied the crossovers are tted with

removable links to connect the terminal pairs. This permits you to connect the

loudspeaker conventionally using one pair of cables or in bi-wired mode with

two pairs.

Connecting Passive Loudspeakers

30mm

7mm

Tight Loose

Preparing Cables

Split the cable to a depth of about 40mm. Bare

the wire to a depth of 10mm and twist the

ends to gather any stray wires. Crop the cable

leaving 7mm of bare wire exposed.

Connecting a Terminal

Unscrew the terminal anticlockwise to expose

the mounting hole in the base of the terminal

column.

Insert the bare end of the cable into the hole.

Re-tighten the terminal fully hand tight. Make

sure there are no stray wires which could touch

adjacent terminals.

In the EU it is against safety regulations to use

4mm loudspeaker plugs.

Bi-Wiring

Directly connecting the treble and bass networks of a loudspeaker to an

amplier improves both bass performance and dynamic range.

To bi-wire: Prepare two twin cables for each loudspeaker. Unscrew all the

loudspeaker terminals and remove both links. Now connect the treble terminals

and the bass terminals to the amlpier following the procedure described in

Standard Wiring. Refer to the illustration below.

Stereo Connections

Standard Connections

Connect the RED (+) terminal of the RIGHT loudspeaker to the RED, Positive (+)

terminal on the RIGHT channel of the amplier. Connect the BLACK (-) terminal

of the loudspeaker to the matching BLACK, Negative (-) terminal of the amplier.

Repeat this procedure for the LEFT channel.

Connecting Passive Loudspeakers

When your speakers are connected: Switch on the system and play some music

at moderate level. Fine tune the speaker placement to suit.

Cabinet Care

Clean cabinets with a barely damp cloth. Do not use solvent based cleaning

materials. If the cabinets become stained, remove the stain with a cloth lightly

moistened with water, white spirit or isopropyl alcohol depending on the stain.

Then lightly bu with a cloth to remove any residue of the cleaning agent. Never

use abrasives of any kind.

Grilles

Lightly brush out grilles with a soft brush. Do not remove the speaker grilles

unless absolutely necessary.

Drive Units

Drive units are best left untouched as they are easily damaged when exposed.

Care and Cleaning

Q Acoustics loudspeakers are warranted free of defects in materials and

workmanship as follows:

Passive Loudspeakers: 5 years from the date of purchase

Active Loudspeakers & Subwoofers: 2 years from the date of purchase.

During the warranty period Q Acoustics will, at its option, repair or replace any

product found to be faulty after inspection by the company or its appointed

distributor or agent.

Misuse and fair wear and tear are not covered by warranty.

Goods for repair should in the rst instance be returned to the supplying dealer.

If this is not possible the item/s should be sent carriage paid preferably in the

original packing, to Q Acoustics or their appointed distributor for your area and

accompanied by proof of purchase. Damage sustained by goods in transit to

the repair centre is not covered by warranty. Return carriage will be paid by Q

Acoustics or their distributor as appropriate.

This warranty does not in any way aect your legal rights.

For service information in other countries contact info@qacoustics.co.uk

Q Acoustics

Armour Home Electronics Ltd

Units 7 & 8,

Stortford Hall Industrial Park,

Bishops Stortford, Herts, UK

CM23 5GZ

Warranty

Passive Loudspeakers Concept 20 Concept 40

Q Acoustics Concept Series Specications

Enclosure type:

Bass Unit:

Treble Unit:

Frequency response:

Nominal Impedance:

Minimum Impedance:

Sensitivity:

Recommended Power:

Crossover Frequency:

Dimensions (W x H x D)

Cabinet:

Including terminals & stabaliser:

Weight (each):

2-way reex

125mm

25mm

64Hz - 22kHz

6 Ohm

4 Ohm

88dB

25 - 75W

2.9kHz

170mm x 260mm x 255mm

170mm x 260mm x 280mm

5.6kg

2-way reex with twin woofers

2 x 125mm

25mm

53Hz - 22kHz

8 Ohm

4 Ohm

90db

25 - 150W

2.3kHz

170mm x 955mm x 285mm

390mm x 980mm x 305mm

18.5kg

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