MBL 101 E MKII Manuale utente
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unique high end audio
mbl 101 E MKII
Dear customer,
We are glad that you decided to become an owner of one
of the world´s best loudspeakers: the MBL Radialstrahler.
This speaker is a handcrafted product made in Germany.
Like all handmade products every speaker has something
special that makes it unique. In production we have taken
care of even the smallest detail to perform a perfect job.
Each system is measured and recorded in all technical de-
tails to fulfill the highest demands on sound quality.
The Radialstrahler is a State-of-the-Art advanced tech-
nology product, which is outstanding in sound quality and
appearance.
This multi-directional speaker is a breakthrough to a new
world of music enjoyment: a 3-dimensional musical ex-
perience.
We are sure you will explore a new dimension of listening
pleasure.
Your MBL Team
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unique high end audio
mbl 101 E MKII
Scope of Delivery
2x mbl 101 E MKII Radialstrahler
2x speaker covers and 8x screws
8x spikes, spike nuts and brass washers
final production protocol
manual
warranty card
gloves
Important Information!
Attention: Keep the speakers away from high humidity, vibration, excessive
dust and direct sunlight. Excessive heat or cold will aect the speaker´s func-
tionality. The permitted operating temperature is 10°C up to 40°C (50°F up to
104°F). Avoid extreme variations in temperature.
Do not touch the diaphragms of the speaker!
KETI, CE-Marking
This product conforms to the requirements of the EMC directive and low-volt-
age directive. Your MBL component complies with the household power and
safety requirements in your area.
Warranty
Please pay attention to the details given in the warranty card which accompa-
nies the unit. Warranty is only issued, if you send back the warranty card.
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unique high end audio
mbl 101 E MKII
Page
4 1. Speaker setup
4 1.1 How to test your listening room
4 1.2 General setup tips
4 1.3 Speaker positioning
5 1.4 Listener‘s position
5 1.5 Setup and fine-tuning
6 1.6 Example for speaker setup
7 2. Configuration
8 3. Connecting speaker to power amplifier
8 3.1 Stereo amplifier
9 3.2 Stereo amplifier bi-amping (2 power amplifiers)
10 3.3 Mono amplifier (2 power amplifiers)
11 3.4 Mono amplifier bi-amping (4 power amplifiers)
12 4. Sound optimization and adjustment of the Radialstrahler
13 4.1 Spikes
13 4.2 Placing the speaker cover
14 5. Cleaning the system
15 6. mbl 101 E MKII pictures
17 7. Specifications
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unique high end audio
mbl 101 E MKII
1. Speaker setup
1.1 How to test your listening room
A simple ”clapping test” will give you important information on the acoustic conditions in your room.
Walk up and down in the area where you want to set up the speakers and clap your hands loudly. Pay
attention to the echoes reflected. If they are either extremely loud or extremely long (flutter eect), the
room´s reverberation is high and it is recommended to work with dampers.
To damp the room use sound absorbing elements like carpets and curtains. Diusers like small-leaved
plants or bookshelves between the corners of the room and the speakers help to improve the acoustic
pattern.
1.2 General setup tips
For best performance the speakers should be set up in front of a solid area of the room (e.g. a solid
wall).
If possible, set up the speakers on the longer wall.
The total high of shelves or hi-fi racks (incl. electronics) located between the speakers (also at the wall)
should not be higher than the midrange driver of the speaker, 80 cm (31”) total height.
1.3 Speaker positioning
Transfer your room dimensions (longer and shorter side of the room) on a handmade drawing (note
the example given on page 6).
Set the position of the speakers into the drawing. To find out the optimal position proceed as follows:
Stereo base (a)
At first define the stereo base, that is the distance between the speakers (a). The stereo base should
not be under 2 meters (80“) or longer than 3.5 meters (140“).
Back wall (b) and side wall (d) distance
The distance between the back wall and the speakers (b) and the distance between the side wall and
the speakers (d) should both be at least 0,8 meters (32’’).
However these two distances should not be the same. A ratio of 1:1,3 is recommended, the speakers
always being closer to the longest wall.
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unique high end audio
mbl 101 E MKII
1.4 Listener´s position
Eventually find out about the optimal listener’s position.
The distance between the listener’s position and each speaker should be the same as the distance be-
tween the two speakers (a), i.e. the listener sits at the top of an equilateral triangle.
The distance from the rear wall to the listener‘s position (c) should be at least 0,8 meters (32’’).
1.5 Setup and fine-tuning
After you figured out the speaker´s position, install your hi-fi system and set up the speakers.
For a fine-tuning slightly move the speakers symmetrically around the initial position and/or play with
the toe-in angle.
If you have chosen the optimal configuration, you can screw the spikes in the speaker, depending on
what type of floor you have (see 4.1 Spikes).
Run the speakers for at least 100 hours and do another fine-tuning, if necessary.
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unique high end audio
mbl 101 E MKII
1.6 Example for speaker setup
a
b
c
d
c (c >b)
a: 2 - 3,5 m
d: >0,8 m
b: >0,8 m
Diuser Diuser
Listener‘s
Position
Loudspeaker Loudspeaker
d
d: >0,8 m
a
a
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unique high end audio
mbl 101 E MKII
2. Configuration
For best sound performance of the mbl 101 E MKII Radialstrahler it is necessary to use MBL Reference
Line electronic components.
Note: We recommend to use the power amplifiers mbl 9011 or mbl 9008 A in mono mode for best
performance.
mbl 1621 A
CD Transport
mbl 1611 F
D/A Converter
mbl 6010 D
Preamplifier
mbl 9011
Power Amplifier
mbl 101 E MKII
Radialstrahler
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unique high end audio
mbl 101 E MKII
3. Connecting speaker to power amplifier
3.1 Stereo amplifier
If you want to connect your mbl 101 E MKII Radialstrahler to one power amplifier use the STEREO con-
nectors on the rear side of the power amplifier. Connect both minus terminals (WOOFER and SYSTEM)
of your speaker with the respective ground connector ( ) of the power amplifier. Connect the two plus
terminals to the two respective plus connectors (STEREO) of the power amplifier.
Attention: bi-wiring is recommended.
left speaker right speaker
power amplifier
stereo
WOOFER
terminals
SYSTEM
terminals
WOOFER
terminals
SYSTEM
terminals
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unique high end audio
mbl 101 E MKII
3.2 Stereo amplifier bi-amping (2 power amplifiers)
If you want to connect your mbl 101 E MKII Radialstrahler to 2 power amplifiers in stereo mode, use the
STEREO connectors of the power amplifiers. Connect the plus terminals (WOOFER and SYSTEM) to the
respective plus connectors and the minus terminals to the minus connectors.
left speaker right speaker
stereo power amplifier
left
stereo power amplifier
right
WOOFER
terminals
SYSTEM
terminals
WOOFER
terminals
SYSTEM
terminals
Indice
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