JAMO R 907 Manuel utilisateur

OWNERS MANUAL

Jamo R 907

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CONTENTS

Introduction 6

Placement 7

Listening position 8

Spikes 9

Connecting 10

Front and back fabric covers 11

Cleaning 12

Speciﬁcations 12

The scope of the warranty 13

INTRODUCTION

Welcome to the exclusive circle of Jamo R 907 owners! This manual will give you a

quick overview of how to set up your speakers in your room.For more in-depth in-

formation about the technologies please refer to the R 907 technical description.

The ﬁrst word of advice. After setting up your R 907s for the ﬁrst time, please allow

yourself a couple of days to listen to them before you start ﬁne-tuning the sound.

This will serve two purposes. Firstly, you will get a sense of what these speakers

sound like. Secondly, it will give time for the speakers to run in: the tonal quality of

this design changes slightly after the ﬁrst couple days of playing music.

Please remember the guidelines in this manual are only recommendations. There

are no hard and fast rules about setting up a pair of speakers as unique as these.

When you get down to ﬁne-tuning their performance in your room don’t be afraid

of experimenting: any speaker will sound different when moved a few inches. Feel

free to change the speakers’ positions and move them around the room to deter-

mine your best listening position and sound.

Always rely on your own judgement to determine what sounds best.We do...

Enjoy!

PLACEMENT

As a starting point, we suggest you initially position the R 907s 3 feet from the back

wall and 4 feet from the side wall.

Angling the speakers 10 degrees to the back wall will reﬂect the generated sound

off your back and side walls,which will give you the acoustic impression of a much

larger room.

Also remember that a dipole speaker emits virtually no sound from the side. You

can take advantage of this trait to cancel reﬂections from the side wall by varying

the toe-in angle.

3 ft

4 ft

10˚

LISTENING POSITION

To ﬁnd the best listening position, place yourself at a 30 degree angle from each

speaker. Doing so means that you will be seated at about the same distance away

from the speakers as the actual gap between them. The beneﬁt of this is that the

direct radiating sounds from each speaker will cross each other at a point behind

you.

IF YOUR ROOM…

a) doesn’t allow you to get the speakers the required distance from the back

and side walls or…

b) has highly reﬂective surfaces (ie. glass windows or bare plastered walls)

or…

c) still doesn’t sound quite right

…we strongly recommend that you damp your room’s critical surfaces.This can be

done by the simple expedient of adding curtains, furniture,bookshelves and so on.

A damped surface is almost always preferable to a hard reﬂective surface.

30˚

SPIKES

After the initial placement of the speakers it’s now time to screw in the spikes. Be-

cause of the weight of the R 907, we recommend that you gently lay it on one side

and screw in all four spikes together. Before you do this, however, be sure to place

a couple of thick towels or similar underneath the side of the speaker.This will pre-

vent accidental scratching to the surface of the R 907 and,equally importantly, will

avoid you putting a rather large dent in your ﬂoor.

After screwing in the spikes,we recommend you ﬁt them with the hard rubber feet

and the indented metal washers we’ve supplied. These will spare the ﬂoor from

damage and allow you to gently bring the speaker to its vertical position. Once

upright simply adjust the spikes to give optimal support.

Floor surfaces vary considerably so we have given you 3 different choices when it

comes to spiking options.You can keep the hard rubber feet on the spikes, rest the

spikes on the four indented metal washers, or place the spikes directly onto the

ﬂoor. Always choose the option that gives the most stability for your speakers in

your domestic environment.

Using the spikes without the hard rubber feet or indented metal washers will give

the very best support and sound quality. If you want to spare your ﬂoor surface

from being punctured however, the rubber feet or indented metal washers are a

good compromise.Sonically, there’s really very little difference between them - use

whichever one suits your ﬂoor surface better.

A warning:be careful when using the spikes with the indented metal washers - you

don’t want to get your ﬁnger trapped between the two!

Whichever spiking option you choose, avoid“walking” the speakers if you need to

move them to a different position… especially on hard wood ﬂoors!

CONNECTING

SINGLE-WIRING

For single-wire connections, the terminal jumpers should be attached as shown in

the illustration.

BI-WIRING

If you’d like to use a bi-wiring arrangement, make sure you remove all the terminal

jumpers before you connect up your loudspeaker cables.

BI-AMPING

In a bi-amped system, make sure you remove the terminal jumpers before con-

necting up your cables. The top pair of terminals drive the tweeter while the pair

underneath drive the bass and midrange units.

If you choose this option, we recommend you use identical ampliﬁers for both ter-

minals.

AMPLIFIER

AMPLIFIER 1 AMPLIFIER 2

AMPLIFIER

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