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FINE-TUNING FOR THE PERFECT SOUND
Once your fenestria is assembled, connected and optimally placed in its listening environment, it can be
fine-tuned using the precision bass and treble response controls in the plinth of each loudspeaker. These allow
you to adjust the bass response to compensate for the speakers' position relative to room boundaries, and
to tailor the speakers to your room's acoustics. These will depend on how many hard, reflective surfaces and
soft furnishings your room has, whether the room is carpeted, and so on.
!
Always mute your amplifier whilst adjusting the HF & LF controls
HF (Treble) adjustment
• High-quality vocal/speech recordings or broadcasts
are good tests for correctly adjusted HF controls.
• Play a suitable vocal or speech recording through your
speakers.
A
B
• Adjust the treble response using the HF response switch.
• When the HF response is correctly set, the speech or
vocals should sound defined, completely natural.
Adjust further as required.
!
Always mute your amplifier whilst
adjusting the HF & LF controls
HF - High Frequency
HF - High Frequency
HF - High Frequency
+
RUNNING IN
0
0
–
50
12
– 1
11
1
2
10
LF - Low Frequency
– 2
3
9
HOURS
4
8
LF - Low Frequency
7
5
6
p
T i
p
T i
Fine tuning for perfect sound
Fine tuning for perfect sound
Fine tuning for perfect sound
Fine tuning for perfect sound
Fine tuning for perfect sound
Fine tuning for perfect sound
C
s t
h i l
High Frequency
0
–
+
+ More treble
0 Flat, No adjustment
+ More treble
- Less treble
0 Flat, No adjustment
- Less treble
More bass
Flat, No adjustment
Flat, No adjustment
All loudspeakers attain their optimum performance after a short 'running in' period.
Less bass
Less bass
As the soft material surrounding the dome or woofer cone is flexed, it eventually
reaches optimum compliance, allowing the drive unit to move more freely. This
Further reduced bass
s s
translates to greater accuracy and speed of attack in the bass region, and a truer,
more vivid audio picture in the mid and high frequencies.
d
LF (Bass) adjustment
• Remember that more bass isn't necessarily better.
• Play a track through your speakers with a regular,
!
!
!
!
well-defined beat.
D
• Adjust the bass response using the LF response switch.
• Check that the bass sounds clean, clear and well-
defined on a variety of different styles of music. Adjust
further as required.
!
!
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HF - High Frequency
HF - High Frequency
HF - High Frequency
HF - High Frequency
HF - High Frequency
HF - High Frequency
HF - High Frequency
HF - High Frequency
e
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0
0
0
0
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HF - High Frequency
HF - High Frequency
e
b l
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L
-
–
–
–
–
– 1
– 1
– 1
– 1
LF - Low Frequency
LF - Low Frequency
LF - Low Frequency
HF - High Frequency
HF - High Frequency
LF - Low Frequency
– 2
LF - Low Frequency
– 2
– 2
– 2
LF - Low Frequency
LF - Low Frequency
LF - Low Frequency
LF - Low Frequency
s s
a
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+
+
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F l
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0
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0
0
s s
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b
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–
–
s s
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b
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– 1
– 1
LF - Low Frequency
LF - Low Frequency
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– 2
– 2
LF - Low Frequency
LF - Low Frequency
n
u
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f e
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Always mute your amplifier whilst
Always mute your amplifier whilst
Always mute your amplifier whilst
E
Always mute your amplifier whilst
adjusting the HF & LF controls
adjusting the HF & LF controls
adjusting the HF & LF controls
adjusting the HF & LF controls
!
a
w
A l
Always mute your amplifier whilst
Always mute your amplifier whilst
+ More treble
Low Frequency
t i
u s
d j
a
adjusting the HF & LF controls
adjusting the HF & LF controls
+ More treble
+ More treble
+ More treble
0
0 Flat, No adjustment
0 Flat, No adjustment
–
+
0 Flat, No adjustment
0 Flat, No adjustment
+ More treble
+ More treble
- Less treble
+ More treble
- Less treble
+ More treble
- Less treble
- Less treble
0 Flat, No adjustment
0 Flat, No adjustment
0 Flat, No adjustment
0 Flat, No adjustment
- Less treble
- Less treble
- Less treble
- Less treble
+ More treble
+ More treble
0 Flat, No adjustment
0 Flat, No adjustment
More bass
More bass
More bass
+ More treble
+ More treble
- Less treble
- Less treble
Flat, No adjustment
0 Flat, No adjustment
0 Flat, No adjustment
Flat, No adjustment
Flat, No adjustment
Flat, No adjustment
Flat, No adjustment
Flat, No adjustment
Flat, No adjustment
y
c
n
e
u
q
e
F r
h
g
H i
-
F
H
- Less treble
Less bass
- Less treble
Less bass
Less bass
Less bass
Less bass
Less bass
Less bass
y
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u
q
e
F r
h
g
H i
-
F
H
Further reduced bass
Further reduced bass
Further reduced bass
Further reduced bass
More bass
+
More bass
Flat, No adjustment
Flat, No adjustment
0
0
Flat, No adjustment
Flat, No adjustment
TITLE
Less bass
Less bass
–
SIZE
Less bass
Less bass
A3
PROJECT
1
–
SCALE
y
c
n
e
u
q
e
F r
w
o
L
-
L F
DRAWING NO.
Further reduced bass
Further reduced bass
2
–
All Tolerances +/-0.2mm
SHEET
Unless otherwise stated
1 1
All Dimensions in mm
y
c
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u
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e
F r
w
o
L
-
L F
Tip
Tip
p
r
f o
g
n
n i
t u
D
E
More bass
Flat, No adjustment
Less bass
5
4
3
2
EW
1
EW
ISS.
INIT.
DESCRIPTION
DATE
23
APP.
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