Genesis 5.3 Manuel utilisateur

Genesis 5.3 Owners Manual Ver 2.0

absolute fidelity™

Owners Manual and Set-up Guide:

Genesis 5.3 Loudspeaker

Contents

SET-UP GUIDE 3

UNPACKING 3

SOME ASSEMBLY REQUIRED 3

ROOM PLACEMENT 5

POWER CONNECTIONS 6

SOURCE INPUT CONNECTIONS 7

THE ACOUSTIC PLATFORM 8

CONTROLS 8

TUNING THE SYSTEM 9

ADJUSTING THE BASS GAIN 10

LOW PASS FILTER 11

IMAGING AND SOUNDSTAGE 12

SOUNDSTAGE HEIGHT 13

TUNING INTO THE ROOM 13

HOME THEATER AND MULTI-CHANNEL MUSIC 14

LFE INPUT 15

LFE GAIN 15

LFE OUTPUT 16

THE REFINEMENT STAGE 16

ROOM TREATMENT 18

MASTERING THE REFINEMENTS OF THE SYSTEM 19

THE TECHNOLOGY 20

THE GENESIS RIBBON TWEETER 20

TITANIUM MIDRANGE 20

MID-BASS COUPLERS 21

THE SERVO-BASS ADVANTAGE 21

ALUMINIUM-CONE WOOFERS 22

500 WATT CLASS D SERVO AMPLIFIER 23

THE ACOUSTIC SUSPENSION 23

SPECIFICATIONS 25

Genesis 5.3 Owners Manual Ver 2.0

absolute fidelity™

A Message from Genesis

Congratulations! You are now the owner of one of the finest

loudspeaker systems in the world. Based on technologies developed

and evolved over the past four decades, the Genesis 5 ver 3 is a

small 4-ft tall floor-standing loudspeaker, and yet it delivers some of

the dynamics, imaging and soundstage of our largest 7-foot tall 1½

ton reference Genesis 1 product.

The G5 loudspeaker system was created for the music lover living in

smaller environments. It is designed to reproduce music (and film) at

live listening levels with virtually no restrictions on dynamic range,

frequency response, or imaging capabilities. This is what we mean

by absolute fidelity™, the ability to reproduce the musical event

faithfully, as was intended by the performer, or the film-maker.

Standing 46 inches tall, and only 11 inches (13 ¼” including base)

wide, the Genesis 5 is a diminutive giant. By means of an active

servo-feedback bass system, response down to 18Hz is achieved,

and the full range and impact of a symphony orchestra or a rock

band can be reproduced.

With adjustable tweeter, midrange, and bass controls, the G5 can be

tuned into any room. The adjustable acoustic platform suspension

system also allows the G5 to be ideally sited on all types of flooring –

from the typical joist-suspended carpet-covered floorboards in the

USA, to uneven terracotta tiles in an Italian villa, and flagstones in an

English castle.

Please read this Owners Manual and Set-up Guide to get the

maximum enjoyment out of your purchase. Also, if you have access

to the Internet, please check back at our website often. The address

is www.genesisloudspeakers.com. We will put the latest updates,

tips and tricks, and support for our owners on our website.

Please write the serial number and purchase details of your

Genesis 5.3 here for future reference.

Bought at: _________________________ Date: __________

Genesis 5.3 Owners Manual Ver 2.0

absolute fidelity™

Set-up Guide

Now that you have your new Genesis 5 loudspeaker system, we

realize that you can’t wait to hook it up and start playing! However,

please read this set up guide (even if your dealer is setting it up for

you!) before you proceed.

Unpacking

Your loudspeakers will come to you in two large shipping cartons

and a smaller box containing the acoustic suspension. The G5’s

weigh over 145lbs (66kgs) each, so we suggest a minimum of two

strong people to move the speakers around. We will not be held

liable for damage (to either the speakers or your backs!) during

unpacking and setting up if you ignore this basic advice.

Please collapse and store your packaging material in case you need

to ship the speakers later. You WILL need all your packaging

material to transport your speakers safely.

Some Assembly Required

The new G5’s come with a unique acoustic suspension, and this will

need to be attached to the bottom of the loudspeaker. Your dealer

should be responsible for assembling this. However, should you be

attempting this yourself, we recommend that you get a friend to help.

The speaker is large and heavy, and it will require at least two strong

pairs of hands and two strong backs to move it around.

First, identify the parts of the acoustic suspension – there will be two

suspension frames, eight neoprene vibration absorbers, eight spikes

and the associated bolts and washers. Next, move the speaker

close to where you will be placing them before assembling the

suspension. (Please see the next section on Room Placement.) A

145 lb loudspeaker with spiked feet will be very difficult to move!

Once you get the speakers close to

where they will be placed, remove the

two foam pieces from the top and

bottom of the shipping cartons, and

lay them down on the floor beside the

speakers. Then, carefully lay the

speakers on their sides on top of the

shipping foam pieces. If the shipping

tape (see picture) is still on the

Genesis 5.3 Owners Manual Ver 2.0

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This side faces up

speaker, do not remove it at this point in time. The tape protects the

finish on the speakers and you should remove it only after you have

completed setting up the suspension system.

Locate the screw holes on each corner of

the bottom of the speaker, and screw the

vibration absorbers in. These should only

be finger-tight. Do not force or over

tighten. There will be four vibration

absorbers – one for each corner of the

loudspeaker.

Next, you will attach the suspension

frame to the vibration absorbers. The

suspension frame comes as a mirror-

image pair. It does not matter which one

is on the left and which one is on the

right.

However, what is important is to identify the top and bottom, and the

front and back of the frame. Look at the holes at each corner of the

frame. The top and bottom of the frame is different as illustrated in

the two pictures below. There is a recess for the washer and bolt-

head on the bottom face of the suspension frame.

There is also a circular hole in the middle of the frame that is always

oriented towards the front of the loudspeaker.

This side faces down

Genesis 5.3 Owners Manual Ver 2.0

absolute fidelity™

Use the included bolts and washers to attach the frame to the

suspension. Align the mounting holes in the suspension frame to the

vibration absorbers mounted on the cabinet, and screw the bolts in

one at a time. Finger-tighten all four before using an allen (hex)

wrench to tighten the bolts.

The spikes attach from the top of the frame. A washer and a lock nut

is supplied to secure the spike at the bottom. However, before you

put the spikes in, you may want to first position the speakers as a

145lb speaker with spiked feet is going to be very difficult to move.

Now, lift the speaker up on its feet and remove the shipping tape that

protects the finish of the loudspeaker during transport.

Room Placement

A good starting position for your G5 is about 20% the way into the

room as measured from the front wall (the wall you look at as you

are seated listening to the speakers), six feet (~2m) apart, and firing

straight ahead with no toe-in. You will want to sit ten to twelve feet

(3m – 4m) away from the speakers, and have at least 24inches

(60cm) from the back of the speaker to the wall.

6’ to 8’

20% 80%

10’ to 12’

Typical room placement: Place speakers about 20% of the

way into the room and 10 to 12 feet from the listeners

Genesis 5.3 Owners Manual Ver 2.0

absolute fidelity™

If you are in a smaller room, try to have at least 24 inches (60 cm) of

space from the back of the speaker to the front wall. You may have

to sit closer to the back wall, or sit closer to the speakers, but try to

keep at least 24 inches of space behind the speakers.

Start with the speakers six feet apart, and not toed-in. You will want

to sit at least 10 feet (3 metres) away from the speakers for proper

integration of the drivers. We will experiment with moving the

speakers around, and toeing them in later.

Power Connections

There are two connections you will need

to make to the G5. First, the power cord

for the built-in amplifier will need to be

plugged into a power socket. A 10-foot

power cord is included with your speakers

for this purpose. We do not recommend

using an extension cord for the G5 due to

the high power demands of the 500W

amplifier. However, if you MUST use an

extension cord, use an extremely heavy

duty one. The amplifier can draw up to 10

amps at 115v, hence make sure that the

extension cord is adequately rated.

Before you plug the power cord in, please

make sure that the voltage selector is set

to the proper voltage. Japan and North

America will require the 115v setting.

Most European countries and other Asian

countries will require 230v. The fuse is a

5amp 250v slow blow irregardless of

voltage used.

There is an on/off switch for the power

amplifier. This switch should always be

left on. We recommend that you plug the

G5 into an unswitched outlet, or a

switched outlet that can always be left ON.

The built-in amplifier has an auto-sensing circuit that will put the

amplifier into muted stand-by when there is no music being played

Genesis 5.3 Owners Manual Ver 2.0

absolute fidelity™

for around 25 minutes. It will immediately switch the amplifier on if

there is a signal sensed.

Hence, leave the amplifier on unless you will not be using the

system for an extended period of time (like a month-long vacation).

When you return, the system may sometimes encounter what we

call a cold-start problem. After the amplifier has been turned off for

an extended period of time, it may squeal when first turned on.

Leave the amp squealing for 15 seconds (it won’t hurt the

loudspeaker). Then turn it off. Wait another 15 seconds, and turn it

on again. If it stops squealing, well and good. If not, leave squealing

for a bit longer this time (an additional 15 seconds), and turn it off.

Repeat until the loudspeaker stops squealing. It should take no more

than two to three times before the amplifier warms up and stops

squealing.

Source Input Connections

Connect the speaker-level output of your power amplifier to the High

Level Input binding posts using a high-quality loudspeaker cable.

Make sure that you have the correct polarity connected for both

speakers – the plus or positive (red) terminal on the G5 should be

connected to the plus, positive, or red terminal on your power

amplifier.

The Bass Input selector switch should be in the up or high-level

position – pointing to the inputs being used. This is the

recommended hook-up, both sonically and for convenience.

Nevertheless, if you know that your power amplifier may be

deficient in the bass, or does not have a response flat down to

18Hz (such as some Single-ended Triode amplifiers), you may

wish to connect the bass section of the G5 directly to your

preamplifier instead.

If you use the low-level inputs for the servo-bass of the G5, you

will need to check for the phase correctness of your power

amplifier. If your power amplifier inverts phase, you will need to

invert the high-level inputs when the bass section of the G5 is

driven by the preamplifier.

If you do this, use a good quality balanced interconnect cable to

connect the balanced output of your preamplifier to the preamp

Genesis 5.3 Owners Manual Ver 2.0

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level input XLR connector, or the single-ended output of your

preamplifier to the preamp level input RCA connector on the back

plate of the G5.

While using this connection, switch the Bass Input Selector to the

down/line-level position. This will bypass the high-level input from

the servo amp, and the bass input is taken directly from the low-

level inputs.

Do NOT connect both the XLR and RCA inputs at the same time.

If you are planning to use long runs (over 10 feet or 3m) of

interconnect to connect the line-level inputs of your G5 to your

preamplifier, we recommend that you use a balanced connection.

The Acoustic Platform

The G5 sits on a suspension

system designed to allow the

loudspeaker to perform at its

optimum. It consists of three

elements – neoprene vibration-

absorbing de-couplers, a tuned

skeletal frame, and stainless steel

spikes. The system holds the

loudspeaker firmly, and yet isolates

it from the floor on which it sits.

After you have positioned the

speakers, insert the supplied spikes

from the top of the suspension

frame, and use your fingers to screw the spikes down to raise the

speaker off the floor so that it only rests on the spikes and no part of

the frame touches the floor. Lock nuts are provided to secure the

spikes. These are threaded on to the spikes from the bottom.

Controls

There are a total of five control knobs

in two rows on the back plate of the

Genesis 5 loudspeaker.

The upper left knob on the back

plate marked “Tweeter” is a volume

control for the front tweeter. Turning

Genesis 5.3 Owners Manual Ver 2.0

absolute fidelity™

this control clockwise will increase the level of the front tweeter.

Use this control if you need a bit more treble or to increase the

apparent space of the soundstage. Start with this control at the

12 o'clock position. There is about a one dB range for this

control. The 12 o’clock straight up position is nominal for all

controls.

The upper right knob marked “Midrange”is used to adjust the

level of the midrange. Again, start this at the 12 o’clock position.

Turning the control anti-clockwise (or counter-clockwise) will

make the midrange sound more laid-back, and turning it

clockwise will make the midrange more forward. There is about a

one-and-a-half dB range for this control.

The knob on the middle of the lower

row of knobs marked “Bass Gain”

controls the volume of the built-in bass

servo amplifier. Begin with this control

at 6 (the 12 o’clock position). Adjusting

the gain higher will make the

loudspeaker sound “fuller” and more

bass-heavy.

The knob on the middle right marked “Low Pass” controls how

high the woofer will play. At the extreme low of 71Hz, the woofer

will play up to 71Hz, and then begin rolling off, or reducing its

volume, above this frequency. The recommended beginning

position for this control is 90Hz. Adjusting the crossover point up

will make the G5 sound warmer and fuller in the mid-bass.

The knob on the left marked “LFE Gain” is used for home theatre

applications, so ignore it for the time being.

Tuning the system

Two channel stereo music is the best way to begin your setup

procedure. We suggest that multi-channel and video sources be

used only after you have setup the system to properly reproduce

music. The room in which the G5 is placed would probably be the

greatest influence on the sound of the loudspeaker.

Since we do not live in anechoic chambers, at Genesis, we do not

design our loudspeakers to work perfectly in a perfectly damped

Genesis 5.3 Owners Manual Ver 2.0

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absolute fidelity™

room. The amount of hard/soft and absorbent/reflecting surfaces will

affect the sound of the speakers tremendously.

A room with solid concrete or brick walls, floors and ceiling will have

much more bass than if the walls were made of plasterboard, with a

suspended floor and false ceiling. An over-stuffed leather sofa will

absorb different frequencies to different extents from a light fabric-

covered armchair. So, you may even find that you will want to re-

tune your system when you change the furnishings in the room.

We suggest that you start your tuning with a single vocal with simple

instrumental accompaniment because the sound of the human voice

is more easily recognizable than many instruments and is the least

complex sound to deal with. A male voice, or a low female voice is

the easiest to start working with.

Adjusting the Bass Gain

Leave the low pass filter alone for the moment, as it should remain

set at approximately 90 Hz. This control will be addressed later.

Turn the gain control of the woofer amplifier up or down until the

voice sounds correct. Whatever controls you use, turn them up and

down only a little at a time. It is easy to turn it up or down too much.

However, the 12 o’clock position is only the starting point. Different

room construction and size will greatly influence the setting of the

bass gain.

If your room has “lossy” walls instead of solid brick or concrete walls,

you may find that the bass settings may need to be higher. If you

have a sealed room with no bass loss, the bass gain may be set as

low as 2 or 3.

Concentrate on the mid-bass regions (as opposed to the very low

bass in your recording) to achieve a natural blend. The voice and the

music accompaniment should sound as if it were cut from one cloth,

not separate.

If the voice sounds “thin” or does not have enough “chest” to its

sound, turn the woofers amplifier’s gain up till it does. If you find that

turning the volume up creates too much low bass and makes the

speakers sound boomy, you will then need to work on the low pass

filter.

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