2000i Series
User Manual and
Product Specifications
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2000i Series
User Manual and
Product Specifications
Important Information - Please Read Carefully
CAUTION! |
RISK OF ELECTRIC SHOCK |
DO NOT OPEN |
TO REDUCE THE RISK OF ELECTRIC SHOCK DO NOT REMOVE COVER (OR BACK) |
NO USER-REMOVEABLE PARTS INSIDE |
REFER SERVICING TO QUALIFIED PERSONNEL |
This symbol indicates that there are important operating and maintenanceinstructionsintheliteratureaccompanyingthisunit.
This symbol indicates that dangerous voltage constituting a risk of electric shock is present within this unit.
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 amplifiers) that produce heat.
Do not defeat the safety purpose of the polarized or grounding type plug. A polarized plug has two blades with one wider than the other. A grounding type plug has two blades and a third grounding prong. The wider blade or the third prong are provided for your safety. If the provided plug does not fit into your outlet, consult an electrician for replacement of the obsolete outlet.
Protect the power cord from being walked on or pinched, particularly at plugs, convenience receptacles, and the point where they exit from the apparatus.
Use only attachments/accessories specified by the manufacturer. Use only with a cart, stand, tripod, bracket, or table specified 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.
Refer all servicing to qualified service personnel. Servicing is required when the apparatus has been damaged in any way, such as power supply cord or plug is damaged, liquid has been spilled or objects have fallen into the apparatus, the apparatus has been exposed to rain or moisture, does not operate normally, or has been dropped.
Warning: To reduce the risk of fire 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 filled with liquids such as a vase of flowers should be placed on the product.
No naked flame sources such as candles should be placed on the product.
Warning: The mains power switch for the subwoofer is the device used to disconnect the unit from the mains supply. This switch is located on the rear panel. To permit free access to this switch, the apparatus must be located in an open area without any obstructions, and the switch must be freely operable.
Caution: Changes or modifications 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 notice to UK users
The appliance cord is terminated with a UK approved mains plug fitted with a 3A fuse. If the fuse needs to be replaced, an ASTA or BSI approved BS1362 fuse rated at 3A must be used. If you need to change the mains plug, remove the fuse and dispose of this plug safely immediately after cutting it from the cord.
Connecting a mains plug
The wires in the mains lead are coloured in accordance with the code: Blue: NEUTRAL; Brown: LIVE:
As these colours may not correspond to the coloured markings identifying the terminals in your plug, proceed as follows:
The BLUE wire must be connected to the terminal marked with the letter N or coloured BLUE or BLACK. The BROWN wire must be connected to the terminal marked with the letter L or coloured BROWN or RED.
To completely disconnect this apparatus from the AC Mains, disconnect the power supply cord plug from the AC receptacle.
Where the MAINS plug or an appliance coupler is used as the disconnect device, the disconnect device shall remain readily operable.
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3A FUSE |
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BS 1362 |
BLUE |
BROWN |
(Neutral) |
(Live) |
Q Acoustics 2000i Series
Introduction
The Q Acoustics 2000i series is a range of loudspeakers designed to meet the highest expectations of dedicated 2-channel audiophiles and discerning movie enthusiasts. The range comprises:
2010i: Compact Bookshelf speaker with a 100 mm bass driver.
2020i: Bookshelf speaker with a 125 mm bass driver.
2050i: Floorstander with two 165 mm bass drivers
2000Ci: Centre channel with 2 x 100 mm bass drivers, which can be wall mounted if required.
2070Si: 140 Watt active subwoofer with a 2 x 170 mm driver and signal sensing for automatic power on/off.
The 2020i and 2050i speakers are both bi-wireable. All the loudspeakers may be operated close to TV monitors with no ill-effects with the exception of the 2070Si, which should not be operated within 500mm of TV screens monitors or other magnetically sensitive equipment. Plasma and LCD screens are unaffected.
Before making any connections to your loudspeakers make sure that all active units in your system are switched off 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.
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 fixings 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 2050i and 2070Si are heavy - get assistance to lift them if necessary.
When manoeuvring loudspeakers, do not drag them across the floor as this may cause damage - lift them before moving them.
In the carton you will find: The loudspeaker/s and this product manual.
In addition the packing for the following models contains:
2050i: A set of floor spikes and spike covers for each speaker. An Allen key to adjust the spikes once fitted.
2070Si: A power cord suitable for the mains supply in your area, 2 x Right angled RCA / Phono cables and an AV Setup CD.
Check the product carefully. If any items are damaged or missing, report this to your dealer as soon as possible.
Retain the packing for future transport. If you dispose of the packing, please do so following all recycling regulations in your area.
Preparation
Fitting the Floorstand Spikes - 2050i
Thread the spikes fitted with locking nuts half way into the base and return the loudspeaker to the upright position. (If you have a wood or stone floor push a spike protector over each spike before turning the speaker upright) When the speaker is the right way up, insert the Allen key into each spike from the top and adjust all the spikes in and out until the loudspeaker is level and stable.
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!
Foam Bung
The 2000i 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.
The 2070Si subwoofer bass is adjusted using the level controls.
Ensure the bungs are fitted snugly into the port without inserting them too far. You will find the level of bass is reduced but definition 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 final result.
Positioning Passive Loudspeakers
Dolby and the double-D symbol are
trade marks of Dolby Laboratories.
2050i
The 2050i 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.
>200mm
2m-4m
>500mm
0-30°
2m |
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4m |
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2010i and 2020i
The 2010i and 2020i are ideally mounted on Q-Acoustics floor stands or wall mounted. If you are stand mounting, a simple guide is that the treble unit should be at ear level to a seated listener. Wall mounted speakers may be mounted slighter higher with the speaker angled down. Stand mounted speakers should be treated as floorstanding speakers except that the speaker may be placed a little closer to the back wall. Shelf mounting is also possible.
An optional bracket designed specifically to wall mount the Q Acoustics 2010i, 2020i and 2000Ci is available from your dealer. Floor stands for the 2010i and 2020i are also available.
Be prepared to experiment to find the best setup for your taste in your particular listening room.
Effects loudspeakers
2000Ci
The 2000Ci is designed to be operated close to a TV screen and central to it. It should be placed immediately above or below the screen. If you are using a regular TV set, make sure that the TV is capable of adequately supporting the speaker and has a level top. If not, consider placing the TV on a cabinet with the 2000Ci on a secure shelf immediately below the TV.
If you have a Plasma or LCD monitor, mount the 2000Ci to the wall or other suitable surface immediately above or below
the screen using the Q-Acoustics Wall Bracket.
Surround Speakers
400mm
There are recommendations from Dolby labs for
5.1 effects speakers.
Surround speakers should be mounted on either
side of the listener, slightly behind the listening position. The speakers should be sited facing inward either mounted on the side walls of the room or if the room is large, on high stands and with their centres above ear level to a seated listener.
Connecting Passive Loudspeakers
Terminals and Connectors
The 2020i and 2050i are bi-wireable. A bi-wireable crossover has four terminals. The upper pair of terminals connects to the treble (HF) speaker and the lower pair to the bass (LF) speaker/s. As supplied the crossovers are fitted 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.
The 2010i and 2000Ci have standard two terminal crossovers.
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2020i, 2050i |
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2010i, 2000Ci |
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Standard |
Bi-Wired |
Standard |
Connection |
Connection |
Connection |
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Loudspeaker Cables
Specialist loudspeaker cables will offer a higher standard of reproduction than general purpose ‘bell’ or ‘zip’ wire. Use cable with generous amounts of copper for the front and centre channels. Thin cables reduce the bass and restrict the dynamic range. Surround (rear) channels are less critical.
Speaker cable has a stripe or tracer along one core. By convention this is
connected to the positive terminals. The cables connecting the amplifier
to the front loudspeakers should ideally be the same length. Never join |
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cables - use complete lengths. |
7mm |
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Preparing Cables |
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Split the cable to a depth of about 40 mm.
Bare the wire to a depth of 10mm and twist 30mm the ends to gather any stray wires. Crop the
cable leaving 7mm of bare wire exposed.
Connecting a Terminal
Unscrew the terminal anticlockwise to |
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expose the mounting hole in the base of the |
Tight |
Loose |
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terminal column. |
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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.
Connecting Passive Loudspeakers |
Connecting the 2010i and 2000Ci |
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Stereo Connections |
RIGHT |
AMPLIFIER |
LEFT |
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Standard Connections |
SPEAKER |
SPEAKER |
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Connect the RED (+) terminal of the RIGHT loudspeaker to the RED, |
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Positive (+) terminal on the RIGHT channel of the amplifier. Connect the |
RIGHT SPEAKER |
LEFT SPEAKER |
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BLACK (–) terminal of the loudspeaker to the matching BLACK, |
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Negative (–) terminal of the amplifier. |
Bi-Wiring |
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Repeat this procedure for the LEFT channel. |
Directly connecting the treble and bass networks of a loudspeaker to an |
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amplifier improves both bass performance and dynamic range.
In the case of the 2020i and 2050i you may use any convenient Positive(+) or Negative (–) terminal. Refer to the illustration below.
Standard Wiring: 2020i and 2050i
RIGHT SPEAKER
RIGHT |
AMPLIFIER |
LEFT |
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SPEAKER |
SPEAKER |
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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 amplifier following the procedure described in Standard Wiring. Refer to the illustration below.
Bi-Wiring: 2020i and 2050i
RIGHT SPEAKER |
LEFT SPEAKER |
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RIGHT |
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LEFT |
SPEAKER |
AMPLIFIER SPEAKER |
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LEFT SPEAKER
When your speakers are connected: Switch on the system and play some music at moderate level. Fine tune the speaker placement to suit.
2070Si Subwoofer
Phase |
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Control |
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90° |
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Level |
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Control |
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0° |
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180° |
Crossover |
LEVEL |
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CROSSOVER |
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PHASE |
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Control |
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MUSIC |
0° |
HIGH |
SEALED |
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STATUS |
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MED |
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Power |
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AV |
180° |
LOW |
VENTED |
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Indicator |
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SOUND |
PHASE |
AUTO ON |
SPEAKER |
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MODE |
INVERT SENSITIVITY |
TYPE |
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Q-ACOUSTICS 2070S |
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Sound |
Phase |
Auto on |
Speaker |
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Speaker |
Mode |
Invert |
Sensitivity |
Type |
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Inputs |
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~110V-120V 60Hz |
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LINE |
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HIGH LEVEL |
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~220V-240V 50Hz |
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Line |
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100 WATTS |
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IN |
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Input |
LEFT / |
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LEFT |
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MONO |
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Line |
IN |
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RIGHT |
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Output |
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RIGHT |
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OUT |
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CHAIN |
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Mains |
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Input |
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VOLTAGE |
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WARNING: TO REDUCE RISK OF FIRE OR ELECTRIC |
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SHOCK, DO NOT EXPOSE THIS PRODUCT TO RAIN OR |
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MOISTURE. WHEN SERVICING, USE ONLY IDENTICAL |
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PARTS. |
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AVERTISSEMENT : POUR DIMINUER LE |
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RISQUE D’INCENDIE OU DE CHOC |
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Voltage |
ÉLECTRIQUE, NE PAS EXPOSER CE |
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PRODUIT À LA PLUIE OU À |
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L’HUMIDITÉ |
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Selector |
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Preliminaries
Unpack the subwoofer following the guidelines given earlier. Before connecting the subwoofer please make sure that all the electronics in your system are switched off at the mains.
The subwoofer is set to the voltage in your area. If you move to an area with a different voltage, be sure to set the voltage selector to the right setting before connection to the mains supply!
Positioning the Subwoofer
Bass frequencies are substantially omni directional. Although this means that you can position the subwoofer almost anywhere, the stereo image will still benefit by positioning the subwoofer level with the front loudspeakers and as central to the listening position as possible. This may not be feasible in a multichannel system. If you place the subwoofer close to a wall the bass will be re-enforced therefore in some locations the bass may be boomy and indistinct.
The subwoofer should be positioned close to a mains power source. Do not use extension cables. Purchase a longer power cord if necessary.
The MAINS ON/OFF switch is the means of disconnecting this apparatus from the mains and is mounted on the rear panel. There should be ample free space between the rear of the cabinet and any wall or other object to allow free unrestricted access to this switch.
When positioning the subwoofer ensure the floor is sound with no loose floorboards etc. The air movement from the subwoofer at high volumes is substantial - do not place it close to soft furnishings or objects that may rattle. Do not place objects of any kind on the unit.
2070Si Subwoofer - Operation
Setting Up and Use
Auto Power On: This feature enables you to switch the main system on and off without having to remember to switch the subwoofer on and off as well.
If there is no signal input, after a few minutes the subwoofer will automatically power down into Standby mode. This is indicated by the POWER light on the rear panel changing to red. As soon as the subwoofer senses an input it will automatically switch into operational mode and the power light will again glow green. Some types of music and some TV channels have very little low frequency information in the audio signal in which case the subwoofer may not automatically switch out of standby even though sound is coming from the other speakers in the system. If this happens then the threshold can be adjusted to make the unit more sensitive by setting the auto-on sensitivity to HIGH. Under some circumstances however this setting may make the sub-woofer stay on at all times, this is due to the small amount of noise which will normally be present from the main system amplifier. This noise should disappear when the amplifier is set to standby, thus allowing the subwoofer to turn off again. If the sub-woofer remains on even when the main amplifier is turned off then we recommend you leave the sensitivity switch at MED, the loss of bass will be almost undetectable due to the characteristic response of human ears.
If the level of noise produced by the amplifier is higher than normal, or the connection cables are picking up hum from nearby power cables, the sub-woofer may remain on even when no sound is playing. If hum is noticeable from the subwoofer then you should try moving the cables to reduce the hum pick-up or try a different cable/s. In circumstances where
the problem cannot be easily remedied we recommend trying the LOW setting of the sensitivity switch to see if that allows the sub-woofer to enter standby.
Although the subwoofer can be safely left in standby mode indefinitely, if you are going to be absent from home for a long period, we advise that the unit is switched off at the ON/OFF switch.
The 2070Si Subwoofer also has a fail safe heat protection system. If the amplifier overheats it will shut down momentarily and then resume operation. If this occurs check that the ventilation holes on the control panel are not covered and that the sub-woofer is not placed too close to a source of heat such as a radiator.
Using Multiple Subwoofers: Your 2070Si sub-woofer includes a Line output connection called “Chain out”. In systems where more than one sub-woofer is used this allows the signal to be daisy chained to another one or more sub-woofers. This is just a convenience feature which is an alternative to using a “Y-Adaptor” at the amplifier output. Please note that the signal is a straight pass-through and so all sub-woofers must be setup independently using their controls as normal.
The following section is divided between home cinema installation and standard stereo installation. Please refer to the relevant section for your system.
Connecting the 2070Si
Multi-Channel AV System
Connections
Standard Connection is via the Line level RCA phono Inputs. For a typical AV system set-up you will need a single RCA phono interconnect. As this cable is likely to be quite long, make sure you get a good quality fully screened cable. Your Q Acoustics dealer will be happy to supply you with a suitable interconnect.
AV AMPLIFIER |
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SUBWOOFER |
RIGHT LEFT |
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RIGHT LEFT |
LINE |
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SUB |
IN |
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LEFT / |
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OUT |
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REAR LS |
CENTRE LS |
MONO |
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FRONT LS |
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IN |
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RIGHT |
Connect the SUBWOOFER OUTPUT on the AV amplifier to the L/Mono Line input on the subwoofer, pushing the plugs firmly home to ensure a good contact.
Setting Up
Check that all system connections are properly and securely made. Ensure that the subwoofer is switched off.
Set the controls to the following default settings:
Level |
Approximately half |
Crossover |
Fully clockwise (AV setting) |
Phase |
Fully anti-clockwise (0° setting) |
Sound Mode |
AV |
Phase invert |
0° |
Auto on sensitivity |
Med |
Speaker type |
No effect when crossover set to AV so |
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Plug the supplied power cord into the subwoofer and then into the AC supply socket. Switch on the power at the supply socket and then switch the power switch on the subwoofer to 'ON'. The POWER light on the subwoofer amplifier panel will glow and the subwoofer is operational.
Check the settings on your AV amplifier to make sure that the sub-woofer is set to 'ON ‘or YES. The sub-woofer level on the AV amplifier should be set at its default position or 0dB. You should already have set the speaker sizes and positions for all the other speakers in your system. If you have the option to set the crossover frequency on the other channels make sure this is set appropriately to your speakers. Set the distance (or delay) setting that is correct for the sub-woofer position you have chosen.
Connecting the 2070Si
Multi-Channel AV System
Setting Up
Play some stereo music you are familiar with and experiment with the Phase invert setting and level control until you hear a seamless blend between the front speakers and the subwoofer. If you can hear the subwoofer standing out it's too loud!
Always bear in mind that the human ear's sensitivity to bass varies enormously with the volume level, hence the need for a wide range of programme material and sound levels. Once you are happy with the sound you can then fine tune the performance by using the included CD.
Many Home Theatre amplifiers have distance settings which build in a time delay depending on the distance of the speaker from the optimum listening position; the sweet spot. The location of the subwoofer is one of the most important aspects of any Home Theatre system therefore getting these settings correct will give a significant improvement to the system's overall performance. Included with the 2070Si Subwoofer is a CD designed to assist in the setup of the AV amplifiers distance/time delay settings.
Set-Up Disc: The disc contains six tracks, each one plays pink noise (20 Hz to 1000Hz) through a combination of one speaker and the subwoofer.
Track one: |
Subwoofer and Front Left speaker |
Track two: |
Subwoofer and Front Centre speaker |
Track three: |
Subwoofer and Front Right speaker |
Track four: |
Subwoofer and Rear Right speaker |
Track Five: |
Subwoofer and Rear Left speaker |
Track six: |
Subwoofer and all speakers |
Choose whichever front speaker is closest to the subwoofer and play the corresponding track. For instance if it is the front right speaker then play track three. Adjust the amplifier distance/time delay settings for the subwoofer by the smallest amount possible. This can be increased or decreased, it's not important which. For instance if the distance is set to 4m then change it to 4.1m or 3.9m. Listen to see if the pink noise becomes warmer and fuller or thinner in tone.
If you chose 4.1m and the sound became fuller in tone then change the setting again to 4.2m and so on until the sound starts to become thinner again. If however when you changed to 4.1m and the sound became thinner try reducing the setting to 3.9m. In this way it should be possible to find the optimum (warmest) setting.
Connecting the 2070Si
Multi-Channel AV System
Setting Up
Do not adjust to more than +/-0.5m from the original measure distance (for this example it would be from 3.5m to 4.5m). If it has not been possible to discern any improvement in the tone, try swapping the phase invert switch position on the 2070Si Subwoofer and repeat the exercise. Then re-check the sound with some stereo music again to make sure an improvement has been noticed.
If the 2070Si Subwoofer is subsequently moved relative to the other speakers reset the amplifier subwoofer distance setting to the new value and repeat the exercise. Once you are happy the optimum setting has been achieved play track six to check the overall result. The sound should be full and warm and integrated with no individual speaker been dominant.
Stereo System
Connections
There are two connection options for stereo system operation. The preferred option is to use a stereo RCA phono cable from your amplifiers PRE-OUT sockets but if your amplifier does not have then you can use the HIGH LEVEL inputs of your 2070Si.
AV AMPLIFIER |
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SUBWOOFER |
RIGHT LEFT |
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RIGHT LEFT |
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LINE |
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PRE OUT |
IN |
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LEFT / |
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R |
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REAR LS |
CENTRE LS |
FRONT LS |
L |
MONO |
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IN |
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RIGHT |
Connect a good quality stereo RCA phono lead to the L and R inputs on the 2070Si and connect the other end to the PRE OUT sockets on the rear of the amplifier.
The subwoofer will automatically add the L and R signals together so that no information is missed. If you wish to use two subwoofers then you can run a single RCA phono cable to each subwoofer and thus have a stereo sub-woofer system.
Ensure that the L output on the amplifier goes to the left hand side subwoofer and R to the right hand side to preserve the stereo image of the main speakers. The subwoofers will need to be placed close to their respective main speakers and the set-up will need to be done separately for each sub-woofer.
Connecting the 2070Si
Stereo System
Connections
If no PRE OUT is available then you can use the HIGH LEVEL inputs. You will need two lengths of speaker cable that are long enough to go from the 2070Si to the speaker terminals of your amplifier. Connect the two together ensuring that you keep the L and R channels correct and make sure that the plus and minus connections are consistent at both ends.
RIGHT SPEAKER |
LEFT SPEAKER |
RIGHT LEFT |
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RIGHT |
HIGH LEVEL |
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LEFT |
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LEFT |
REAR LS |
CENTRE LS |
FRONT LS |
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RIGHT |
AV AMPLIFIER |
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SUB |
Setting Up
Check that all system connections are properly and securely made. Ensure that the subwoofer is switched off. Set the controls to the following default settings:
Level |
Approximately half |
Crossover |
Minimum (50Hz) for large floorstanders |
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and halfway (100Hz) for bookshelf or |
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small speakers |
Phase |
Fully anti-clockwise (0° setting) |
Sound Mode |
Music |
Phase invert |
0° |
Auto on sensitivity |
Med |
Speaker type |
Select 'Sealed' if your main speakers are |
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of the sealed or closed-box type. Select ' |
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Po r t e d ' i f y o u r m a i n s p e a k e r s |
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have a port or vent in them. |
Plug the supplied power cord into the subwoofer and then into the AC supply socket. Switch on the power at the supply socket and then switch the power switch on the subwoofer to 'ON'. The POWER light on the subwoofer amplifier panel will glow and the subwoofer is operational.
Play some music you are familiar with and experiment with the Phase invert setting and level control until you hear a good blend between the front speakers and the subwoofer. If you can hear the subwoofer standing out it's too loud!
Connecting the 2070Si
Stereo System
Setting Up
Always bear in mind that the human ear's sensitivity to bass varies enormously with the volume level, hence the need for a wide range of programme material and sound levels. Once you are happy with the sound you can then fine tune the performance by using the remaining controls.
Crossover: The crossover control determines at what frequency your sub-woofer output begins to rapidly diminish. This should be set so that it corresponds with the frequency your main speakers begin to produce a strong output by themselves. The adjustment allows for a smooth handing over between sub-woofer and main speaker output. If this setting is too low there will be a 'hole' in the sound where certain frequencies are weak, conversely if it is too high there will be an exaggeration of certain frequencies producing an overpowering bass. You can get an idea of the correct setting from your main speakers specification sheet, look for the lowest frequency that the speaker produces (the “-3dB point”) under the “Frequency response” heading. Room positioning has a dramatic effect on low frequency reproduction of both the sub-woofer and your main speakers so don't be worried if you find you require a setting which does not correlate with the specified low frequency point of your main speakers.
Setting up can take many hours of listening because all of the controls on your subwoofer will interact; there is no easy route to success. The best phase invert switch position is strongly affected by the chosen crossover frequency so as you fine tune the controls you may wish to keep trying the alternative setting to see which you prefer.
Once you feel you are close with the settings you can now perfect the integration between sub-woofer and main speakers by adjusting the phase control. This control is unique in that it uses a pure delay, made possible by the integrated Digital Signal Processor, and so does not add sound damaging “group delay” as with most sub-woofers. The DSP scales the available delay so that this control always provides a 0 – 180° phase shift at the chosen crossover frequency. This control affects the level of bass produced at the crossover frequency and also how smoothly the transition occurs. Again this will interact with the crossover control so fine adjustments of the crossover frequency may be necessary to produce the best results. Also you may find you can get to a better end result by flipping the phase invert switch and trying to optimise the crossover and phase controls again. Experimentation is the key to getting perfect integration; once this is achieved you should never be aware of any sound coming from the direction of the sub-woofer itself. The end result will be a system with powerful, extended bass response which appears to be coming from the soundstage between the main speakers.
5.1 Home Theatre Connections
RIGHT FRONT |
LEFT FRONT |
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MONO |
Home Theatre Connections
The Front Speakers are bi-wired. This is the preferred mode of connection provided the crossover network supports biwiring.
The Centre and Surround channel speakers are conventionally wired.
6.1 and 7.1 connections are the same as 5.1 connections with the addition of the extra effects channel/s.
When running loudspeaker cables be especially careful not to run them across open floor areas where they could be a source of danger. Run loudspeaker cables around room boundaries whenever possible.
Line level signal cables should be run away from mains cables. Never run line level signal cables parallel to power cables especially on long runs.
If the subwoofer is triggered on by appliances switching on and off, re-route the input signal cable before taking further measures.
RIGHT SURROUND |
LEFT SURROUND |
Home Theatre Topics
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SUB |
RIGHT |
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Above is the Dolby Labs recommended layout for 7.1systems.
The 6.1 layout is the same except a single central speaker replaces the two back units. The 5.1 layout has no back speakers
Placement: The Front and Centre speakers should be in line. If this is not possible, consult your processor manual for guidance on adjusting relative centre/front delay times. If you have a 5.1 system, the listening seat can be closer to the rear wall. As always, be prepared to experiment.
Bass Management: AV processors offer the choice of ‘Large’ or ‘Small’ for the speakers. If you choose ‘Large’ the speaker receives the full frequency. Choose ‘Small’ and the bass is sent to the Subwoofer. We recommend you choose ’Small’ for the 2000Ci and the 2010i and 2020i wherever they are used in the system. The 2050i should be set to ‘Large’. The subwoofer option should be enabled (set to ‘ON’ or ‘YES’)
Levels: When the basic system parameters have been established, put your processor into the ‘setup’ routine. Set up each individual speaker so that the level is the same at the listening position as all the others. If your processor enables you to adjust the delay times, follow the instructions closely as this will profoundly affect the final result. When you play a movie you may think the rear channels are too soft - they aren’t! You may however have to adjust the subwoofer level both at the processor and at the subwoofer. Once set, do not re-adjust these levels.
LFE: The LFE channel sends all the bass sound effects to the subwoofer. If speakers are set to ‘Small’ , system bass from those channels is also sent to the subwoofer. If you play the system at extreme levels and/or have the subwoofer level set too high you may overdrive the subwoofer with unpleasant sonic results. If this occurs, reduce the level immediately.
Phase: If your speakers are incorrectly wired the bass will be blurred and thin. In this case, check the wiring carefully. If your speaker wire has a tracer along one core, consistently use the striped core to connect all the positive (RED) terminals. In this way the system will always be in phase.
Always follow the instructions in your AV processor manual!
Care and Cleaning |
Warranty |
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 buff 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.
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 first 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 affect your legal rights.
Appointed Distributor in the UK:
Armour Home Electronics Ltd
Units 7 & 8, Stortford Hall Industrial Park
Bishops Stortford, Herts, UK
CM23 5GZ
For service information In other countries contact info@qacoustics.co.uk
Q Acoustics 2000i Series Accessories
2000Ci /2010i / 2020i Wall Bracket (Single) |
2010i / 2020i Speaker Stand (Pair) |
Black |
Black |
45° |
White |
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646mm
2010i |
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2020i |
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35° |
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5 - 45mm |
5 - 45mm |
240mm |
270mm |
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Q Acoustics 2000i Series Specifications
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2-way reflex |
2-way reflex |
2-way reflex |
2-way reflex |
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Bass Unit (mm): |
100 mm |
125 mm |
2 x 165 mm |
2 x 100mm |
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Treble Unit (mm): |
25 mm |
25 mm |
25 mm |
25 mm |
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Frequency response: (±3dB): |
68Hz - 22 kHz |
64Hz - 22 kHz |
44Hz - 22 kHz |
75Hz - 22 kHz |
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6 |
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6 |
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86dB |
88dB |
92dB |
89dB |
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Recommended amplifier power: |
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15 - 75W |
25 - 75W |
25 - 150W |
25 - 100W |
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2.8 kHz |
2.9 kHz |
2.6 kHz |
2.7 kHz |
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Effective volume: |
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3.3 litres |
6.4 litres |
34.9 litres |
7.58 litres |
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Cabinet dimensions (HxDxW mm): |
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H234.5 x D203 x W150 |
H264.5 x D278x W170 |
H1006 x D321 x W270 |
H160 x D203 x W430 |
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Weight (per cabinet): |
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3.5 Kg |
5.0 Kg |
21 Kg |
6 Kg |
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2070Si Active Subwoofer |
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Ported |
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2x170 mm long throw |
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140 W rms |
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Crossover frequency: |
50Hz - 150Hz (var.) |
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Cabinet dimensions (HxDxW mm): |
H425 x D560 x W195 |
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FR
Serie 2000i
Mode d’emploi et
caractéristiques
techniques du produit
Informations importantes – Lire attentivement
ATTENTION!
RISQUE DE CHOCS ELECTRIQUES
NE PAS OUVRIR
POUR DIMMINUER LE RISQUE DE CHOCS ELECTRIQUES NE PAS ENLEVER LE
BOITIER (NI LE PANNEAU ARRIERE)
AVUCUNE PIECE NE PEUT ETRE ENLEVEE PAR L’UTILISATEURÀ L’INTERIEUR CONSULTER UN PROFESSIONEL QUALIFIE POUR TIUTE REPARATION
Veuillezlirecesinstructions.
Veuillezconservercesinstructions.
Veuillez prendre connaissance de tous les avertissements.
Veuillezsuivretouteslesinstructions.
N’utilisezpascetappareilàproximitédel’eau.
Nettoyezuniquementavecunchiffonsec.
N’obstruezpaslesgrillesdeventilation.
Suivez attentivement les instructions du fabricant lors de l’installation.
N’installez pas cet appareil à proximité d’une source de chaleur telle que des radiateurs, des bouches d’air chaud, des fours, ou tout autre appareil (y compris des amplificateurs)produisantdelachaleur.
Ne supprimez pas la sécurité apportée par la prise polariséeoude
type B. Une prise polarisée possède deux broches, dont une plus large que l’autre. Une prise de type B possède deux broches et une fiche terre. La broche la plus large ou la fiche terre sont là pour votre sécurité. Si la prise fournie ne convient pas, adressez-vous à un électricien pour une mise aux normes de votre installation électrique.
Evitez de marcher sur le cordon d’alimentation ou de le pincer, en particulier, à l’extrémité du cordon, de la prise et àlasortiedel’appareil.
Utilisez uniquement des accessoires spécifiésparlefabricant.
Utilisez uniquement les chariots, pieds, tripodes, supports ou les tables
recommandésparlefabricantouvendusavecl’appareil. Si vous utilisez un chariot, faites très attention lors du transport de l’appareil et évitez de le faire tomber pour ne pasvousblesser.
Débranchez cet appareil en cas d’orage ou lorsque vous nevousenservezpaspendantunepériodeprolongée. Pour toute réparation, adressez-vous à un professionnel. Faites réparer cet appareil pour des dommages de n’importe quelle nature : cordon d’alimentation abîmé, liquide ou objet introduit dans l’appareil, exposition à la pluie ou à l’humidité, fonctionnementinhabituel,
chutesdiverses.
Avertissement : Afin de diminuer les risques d’incendie ou de choc électrique, conservez cet appareil à l’abri de la pluie et de l’humidité. Evitez toute éclaboussure et ne posez pas d’objets contenant des liquides, comme des vases,surcetappareil.
Tenir à l’écart des flammes et ne pas poser de bougie sur cetappareil.
Avertissement : L’interrupteur de mise en marche du subwoofer sert à mettre cette unité hors tension. Cet interrupteur est situé sur le panneau arrière. Afin de pouvoir accéder librement à cet interrupteur, l’appareil doit être placé dans un endroit ouvert sans aucun obstacle.L’interrupteurdoitluiaussiêtrelibred’accès.
Attention : Tout changement, ou modification, non expressément autorisé par le fabricant annule la garantie.
Réparation : Pour toute réparation, renvoyez l’appareil
Ce symbole indique des instructions d’utilisation et d’entretien essentiellesdansladocumentationquiaccompagnecetappareil.
Cesymboleindiquelaprésencedanscetappareild’unvoltage
dangereux,quipeutposerunrisquedechocélectrique.
au fournisseur, ou au réparateur de votre région; La liste des adresses des réparateurs au RU figure dans ce manuel.
Tiers :Au cas improbable ou vous revendiez ce produit a untiers,veuillezfournircemoded’emploiavecleproduit. Remarque importante pour les utilisateurs au RoyaumeUni
Le cordon d’alimentation possède une prise anglaise contenant un fusible de 3A. Si le fusible doit être remplacé, utilisez un fusible de 3Ade typeASTAou BSI à la norme BS1362. Si vous devez changer la prise ellemême, ôtez le fusible avant de jeter la prise immédiatement après avoir coupé le cordon d’alimentation.
Branchementsursecteur
Les couleurs des fils du cordon d’alimentation sont en conformité avec le code suivant : Bleu : NEUTRE; Marron:PHASE.
Ces couleurs ne correspondant peut être pas à celles desfichesdevotreprise,procédezcommesuit: ConnectezlefilBLEUàlaborneaffichantlalettreNoude
couleur BLEUE ou |
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NOIRE. Connectez |
5AFUSIBLEFUSE3A |
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le fil MARRON à la |
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borne |
affichant |
la |
BS |
BS 1362 |
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lettre |
L ou |
de |
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couleur MARRON BLEU |
BROWNMARRON |
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ouROUGE. |
(Neutre) |
(Phase) |
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(Live) |
Série Q Acoustics 2000i
Introduction
La gamme d’enceintes de série Q Acoustics 2000i est conçue pour répondre aux besoins des cinéphiles et des amateurs de musique. Notre gamme comprend :
2010i : Une enceinte d’étagère compacte avec un caisson de basses de 100mm.
2020i : Une enceinte d’étagère avec un caisson de basses de 125 mm.
2050i : Une enceinte colonne avec deux caissons de basses de 165 mm
2000Ci : Une enceinte centrale avec deux caissons de basses de 100 mm, pouvant être fixée au mur, si nécessaire.
2070Si : Un subwoofer actif de 140 Watt avec un haut-parleur de 2 X170 mm et un détecteur de signal pour allumage/arrêt automatique.
Vous pouvez effectuer un bi-câblage sur toutes les enceintes passives sauf la 2010i et la 2000Ci.
Toutes les enceintes fonctionnent à proximité des écrans de télévision sans aucun problème à l’exception des enceintes de la gamme 2000Si, qui ne doivent pas être placées à moins de 500 mm d’écrans de télévision ou de tout autre matériel pouvant être perturbé par un champ magnétique. Cela n’affecte pas les écrans à plasma ni les écrans à affichage à cristaux liquides.
Avant de brancher vos enceintes, assurez-vous que toutes les parties actives de votre système audio sont éteintes ou hors tension.
Lorsque vous allumez votre système audio ou lorsque vous changez les sources d’entrée, baissez le volume jusqu’à un bas niveau. Montez graduellement le son.
Ne montez JAMAIS le son au maximum. Le bouton de contrôle du volume est trompeur et n’indique pas la puissance du système audio. L’utilisation du volume au maximum peut endommager votre capacité auditive.
Ne raccordez PAS les bornes de votre enceinte au secteur.
Ne laissez PAS vos enceintes dans des endroits trop froids, trop chauds, trop humides ou au soleil.
Si vous utilisez vos enceintes sans les grilles de protection, faites bien attention à ne pas endommager les haut-parleurs.
N’utilisez PAS des pieds de fortune. Installez vos enceintes sur des pieds recommandés par Q-Acoustics selon les instructions, en utilisant les pointes de fixation fournies. Votre revendeur pourra vous conseiller.
NE démontez PAS vos enceintes car vous annuleriez la garantie.
Déballer vos enceintes
Déballez complètement vos enceintes. Sortez les enceintes du carton en soulevant les enceintes elles-mêmes. Ne vous servez pas de sacs en pour les soulever. Les enceintes 2050i et 2070Si sont assez lourdes; demandez de l’aide pour les soulever, si nécessaire.
Lorsque vous déplacez les enceintes, ne les traînez pas par terre car vous risquez de les endommager. Soulevez-les avant de les déplacer.
Vous trouverez dans le carton : Le(s) enceinte(s) et ce mode d’emploi.
Pour les modèles suivants, le carton d’emballage contient également :
2050i : Un jeu de clous de plancher et de capuchons de clou pour chaque haut-parleur. Une clé Allen pour régler les clous une fois installés.
2070Si : Un cordon d'alimentation adapté à l'alimentation secteur dans votre région, 2 câbles RCA/Phono à angle droit, Un disque CD d'installation AV.
Vérifiez bien le produit. Si l’un des articles est manquant ou endommagé, contactez votre revendeur dès que possible.
Conservez l’emballage pour transporter le matériel ultérieurement. Si vous décidez de jeter l’emballage, respectez la réglementation de votre pays en matière de recyclage.
Installation
Fitting the Floorstand Spikes2050i
Vissez à moitié les fixations sur le socle et remettez l’enceinte à l’endroit. (Si vous possédez un sol en bois ou en pierre enfoncez les protège-pointes sur chaque fixation avant de remettre l’enceinte à l’endroit).
Une fois l’enceinte à l’endroit, resserrez chaque fixation avec la clef hexagonale en partant du haut et ajustez plus ou moins les fixations jusqu’à ce que l’enceinte soit à niveau et parfaitement stable.
Fixations au sol très pointues. Faites très attention !
Ne placez jamais une enceinte avec des pointes de fixation dans des endroits pouvant être endommagés !
Soulevez toujours vos enceintes pour les déplacer; ne les tirez jamais !
Bondes alvéolaires
Les haut-parleurs série 2000i comportent des orifices à l'arrière et fonctionneront de manière optimale s'il y a un espace libre derrière eux, par exemple 200 mm par rapport à un mur. Si vous placez vos haut-parleurs près d'un mur/coin, alors vous devrez insérer des bondes alvéolaires dans les orifices arrière, sinon il y aura trop de graves. La basse subwoofer 2070Si est ajustée en utilisant les contrôles de niveau.
Vérifiez que les bondes sont bien enfoncées dans l'orifice sans aller trop loin. Vous constaterez que le niveau des graves diminue, mais que la définition et l'extension des graves augmentent. Testez pour voir la solution que vous préférez et changez la position du haut-parleur, par petits intervalles, de manière à optimiser le résultat final.
Positionner les enceintes passives
2050i
Les enceintes 2050i doivent être positionnées à 200 mm minimum du mur arrière et à 500 mm des murs latéraux. En plaçant vos enceintes plus près du mur, vous augmenterez les graves, mais cela peut résonner et manquer de précision et de qualité. Les enceintes doivent être bien placées, tournées vers l’auditeur et situées de 2 m à 4 m de distance les unes des autres. Tourner légèrement les enceintes vers l’intérieur améliore la qualité stéréo mais réduit la source sonore.
>200mm
2m-4m
>500mm
0-30°
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Les enceintes 2010i et 2020i doivent si possible être montées sur des pieds Q-Acoustics ou fixées au mur. Si vous choisissez de les mettre sur des pieds, l’unité des aigus doit être à la hauteur des oreilles de l’auditeur. Les enceintes montées au mur peuvent être placées être un peu plus haut et inclinées vers le bas. Les enceintes sur pieds doivent être traitées comme des enceintes colonnes mais peuvent être placées un peu plus près du mur arrière. Ces enceintes peuvent également être placées sur des étagères.
Dolby et le symbole du double-D sont des marques déposées de Dolby Laboratories.
Un support conçu spécialement pour fixer les enceintes Q Acoustics 2010i, 2020i et 2000Ci au mur, est en vente chez votre revendeur. Des pieds pour les enceintes 2010i et 2020i sont également disponibles.
Soyez prêt à expérimenter afin de trouver le meilleur agencement possible, adapté à votre goût, dans la pièce que vous avez choisie.
Enceintes à effets 2000Ci
Le modèle 2000Ci a été conçu pour être utilisé à proximité d’un écran de télévision. Il doit être placé directement au-dessus ou au-dessous de l’écran. Si vous possédez un téléviseur traditionnel, assurez-vous qu’il puisse soutenir les enceintes et qu’il offre une surface égale. Dans le cas contraire, placez le téléviseur dans un meuble télé et l’enceinte 2000Ci sur une étagère solide directement en-dessous du téléviseur.
Si vous possédez un écran à plasma ou à affichage à cristaux liquide, fixez l’enceinte 2000Ci au mur ou sur toute autre surface adéquate directement audessus ou au-dessous
de l’écran.
400mm
Enceintes Surround
Il y a des recommandations de Dolby labs pour les enceintes à effets 5.1.
Montez les enceintes surround de chaque côté de l’auditeur, légèrement en retrait par rapport à la position d’écoute. Les enceintes doivent être tournées vers l’intérieur et montées sur les murs latéraux ou bien, si la pièce est large, montées sur des pieds hauts, le centre des enceintes se trouvant audessus du niveau de l’oreille de l’auditeur.
Brancher les enceintes passives
Borniers et Connecteurs
Les enceintes 2020i et 2050i peuvent être installées avec un bi-câblage. Le principe du bi-câblage requiert quatre bornes. Les deux bornes supérieures sont reliées à l’enceinte des aigus (HF) et les deux bornes inférieures sont reliées à/aux enceinte(s) des graves (LF). Ces bornes sont livrées avec des liaisons amovibles servant à relier les bornes entre elles. Cela vous permet de brancher les enceintes de manière traditionnelle avec une paire de câbles ou en « bi-câblage » avec les double-borniers.
Les enceintes 2010i et 2000Ci ont des bornes standard.
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Câble des enceintes
Des câbles d’enceintes spécialisés vous permettront d’atteindre une meilleure qualité de reproduction des sons que les câbles multi-usages traditionnels, comme les fils de sonnerie. Utilisez des câbles avec une quantité assez importante de cuivre pour les enceintes centrales et avant. Les câbles fins diminuent les graves et limitent la gamme dynamique. Les enceintes surround (arrières) sont moins importantes.
Les câbles d’enceinte possèdent une rayure ou un tracé en leur centre. Ils |
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longueur. Ne raccordez jamais deux câbles – |
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utilisez la longueur entière. |
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Préparer les câbles |
30mm |
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Dédoublez les câbles sur 40 mm. Dénudez |
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les fils de 10 mm et tournez les fils pour tous |
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les rassembler. Sectionnez le câble en en |
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laissant 7 mm à nu. |
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Branchement |
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Dévissez la borne dans le sens contraire des Resserrer |
Desserrer |
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aiguilles d’une montre pour faire apparaître le |
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trou de montage prévu à la base de la borne. |
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Insérez la partie dénudée du câble dans le |
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trou. Resserrez complètement la borne à |
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la main. Assurez-vous qu'aucun fil ne |
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dépasse qui pourrait entrer en contact avec |
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les bornes adjacentes. |
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Les règles européennes de sécurité |
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interdisent l’utilisation de fiches de 4 mm. |
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Brancher des enceintes passives
Raccordements stéréo
Raccordements standard
Faites passer le câble par le range-câble avant de brancher l’enceinte.
Reliez la borne ROUGE (+) de l’enceinte de DROITE à la borne ROUGE, Positive (+) sur l’enceinte de DROITE de l’ampli. Reliez la borne NOIRE (–) de l’enceinte à la borne Négative, NOIRE, (–) correspondante de l’amplificateur.
Répétez cette opération pour l’enceinte de GAUCHE.
Pour les modèles 2020i et 2050i vous pouvez utiliser les bornes Positives (+) ou Négatives (–) à votre gré. Veuillez vous référer au schéma ci-dessous.
Branchement Standard : 2020i and 2050i
ENCENITE |
ENCENITE |
DROITE |
GAUCHE |
|
AMPLIFICATEUR |
ENCENITE DROITE |
ENCENITE GAUCHE |
ENCENITE DROITE |
ENCENITE GAUCHE |
Connecting the 2010i and 2000Ci |
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ENCENITE |
ENCENITE |
DROITE |
GAUCHE |
|
AMPLIFICATEUR |
Bi-câblage
Brancher directement les aigus et les graves d’une enceinte sur un amplificateur améliore à la fois la qualité des graves et la gamme dynamique.
Pour le bi-câblage : Préparez deux câbles doubles pour chaque enceinte. Dévissez toutes les bornes des enceintes et ôtez les deux liaisons. Reliez ensuite les bornes des aigus et des graves à l’amplificateur selon le procédé de branchement standard préalablement décrit. Veuillez vous référer au schéma ci-dessous.
ENCENITE DROITE |
ENCENITE GAUCHE |
Bi-câblage: 2020i and 2050i |
|
ENCENITE |
ENCENITE |
DROITE |
GAUCHE |
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AMPLIFICATEUR |
Lorsque vos enceintes sont raccordées : Allumez le système et mettez de la musique à un volume modéré. Ajustez l’emplacement des enceintes à votre goût.
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