Behringer B2031 User Manual

User´s Manual

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B2031

Bedienungsanleitung

Version 1.1 January 2000

D

TRUTH

www.behringer.com

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EG-Declaration of Conformity

acc. to the Directives

89/336/EWG and 73/23/EWG

We, BEHRINGER INTERNA TIONAL GmbH

Hanns-Martin-Schleyer-Straße 36-38
D - 47877 Willich

Name and address of the manufacturer or the introducer of the product on the market who is established in the EC

herewith take the sole responsibility to confirm that the product:

TRUTH B2031

Type designation and, if applicable, Article-N

o

INTERNATIONAL GmbH

which refers to this declaration, is in accordance with the following standards or
standardized documents:

x EN 60065 x EN 61000-3-2
x EN 55020 x EN 61000-3-3
x EN 55013

The following operation conditions and installation arrangements have to be
presumed:

acc. to Operating Manual

B. Nier, President Willich, 01.06.1999

Name, address, date and legally binding signature of the person responsible

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SAFETY INSTRUCTIONS

CAUTION: To reduce the risk of electrical shock, do not remove

the cover (or back). No user serviceable parts inside;
refer servicing to qualified personnel.

WARNING: To reduce the risk of fire or electrical shock, do not

expose this appliance to rain or moisture.

This symbol, wherever it appears,
alerts you to the presence of
uninsulated dangerous voltage inside
the enclosure - voltage that may be
sufficient to constitute a risk of shock.

DETAILED SAFETY INSTRUCTIONS:

All the safety and operation instructions should be read before the appliance is operated.

Retain Instructions:

The safety and operating instructions should be retained for future reference.

Heed Warnings:

All warnings on the appliance and in the operating instructions should be adhered to.

Follow instructions:

All operation and user instructions should be followed.

Water and Moisture:

The appliance should not be used near water (e.g. near a bathtub, washbowl, kitchen sink, laundry tub, in a
wet basement, or near a swimming pool etc.).

Ventilation:

The appliance should be situated so that its location or position does not interfere with its proper ventilaton.
For example, the appliance should not be situated on a bed, sofa rug, or similar surface that may block the
ventilation openings: or placed in a built-in installation, such as a bookcase or cabinet that may impede the
flow of air through the ventilation openings.

Heat:

The appliance should be situated away from heat sources such as radiators, heat registers, stoves, or other
appliances (including amplifiers) that produce heat.

Power Source:

The appliance should be connected to a power supply only of the type described in the operating instructions
or as marked on the appliance.

Grounding or Polarization:

Precautions should be taken so that the grounding or polarization means of an appliance is not defeated.

Power-Cord Protection:

Power supply cords should be routed so that they are not likely to be walked on or pinched by items placed
upon or against them, paying particular attention to cords and plugs, convenience receptacles and the point
where they exit from the appliance.

Cleaning:

The appliance should be cleaned only as recommended by the manufacturer.

Non-use Periods:

The power cord of the appliance should be unplugged from the outlet when left unused for a long period of
time.

Object and Liquid Entry:

Care should be taken so that objects do not fall and liquids are not spilled into the enclosure through openings.

Damage Requiring Service:

The appliance should be serviced by qualified service personnel when:

- The power supply cord or the plug has been damaged; or

- Objects have fallen, or liquid has been spilled into the appliance; or

- The appliance has been exposed to rain; or

- The appliance does not appear to operate normally or exhibits a marked change in performance; or

- The appliance has been dropped, or the enclosure damaged.

Servicing:

The user should not attempt to service the appliance beyond that which is described in the Operating Instructions.
All other servicing should be referred to qualified service personnel.

This symbol, wherever it appears, alerts
you to important operating and
maintenance instructions in the
accompanying literature. Read the
manual.

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FOREWORD

Dear Customer,

Welcome to the team of TRUTH B2031 users and thank you very much for expressing your confidence in
BEHRINGER products by purchasing this studio monitor.

It is one of my most pleasant tasks to write this letter to you, because it is the culmination of many months of
hard work delivered by our engineering team to reach a very ambitious goal: making an outstanding reference
studio monitor that will become a standard tool. The task to design the TRUTH B2031 certainly meant a great
deal of responsibility, which we assumed by focusing on you, the discerning user and musician. It also meant
a lot of work and night shifts to accomplish this goal. But it was fun, too. Developing a product usually brings
a lot of people together, and what a great feeling it is when everybody who participated in such a project can
be proud of what we’ve achieved.

It is our philosophy to share our joy with you, because you are the most important member of the BEHRINGER
family. With your highly competent suggestions for new products you’ve greatly contributed to shaping our
company and making it successful. In return, we guarantee you uncompromising quality (manufactured
under ISO9000 certified management system) as well as excellent technical and audio properties at an
extremely affordable price. All of this will enable you to fully unfold your creativity without being hampered by
budget constraints.

We are often asked how we are able to possible to produce such high-grade devices at such unbelievably low
prices. The answer is quite simple: it’s you, our customers! Many satisfied customers means large sales
volumes enabling us to get better conditions of purchase for components, etc. Isn’t it only fair to pass this
benefit back to you? Because we know that your success is our success, too!

I would like to thank all people whose help on “Project TRUTH B2031“ has made it all possible. Everybody has
made very personal contributions, starting from the designers of the unit via the many staff members in our
company to you, the user of BEHRINGER products.

My friends, it’s been worth the trouble!

Thank you very much,

Uli Behringer

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TRUTH

2-way active high-resolution studio monitor

B2031

s Ultra-linear frequency response from 50 Hz to 21 kHz

s Two built-in high power amps with 150/75 Watts and enormous power reserves

s Extremely high-resolution tweeter with ferrofluid-cooled titanium dome

s Long-throw 8.75" woofer with special polycarbonate diaphragm and sturdy cast aluminum chassis

s Controlled dispersion pattern through phase-optimized wave guide system

s Extremely large "sweet spot" through vertically/horizontally balanced dispersion characteristics

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s Active frequency crossover with 4th order Linkwitz-Riley filters

s Flexible adaptation to room acoustics, incl. subwoofer operation

s Overload protection through separately controlled limiter for low- and high-frequency ranges

s Automatic standby switching

s Electromagnetic shielding for minimum interference

s Delivery of "matched pairs". Measurement protocol included

s Low-vibration E1 MDF cabinet

s Servo-balanced inputs on XLR and TRS connectors

s Manufactured under ISO9000 certified Management System

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TABLE OF CONTENT

1. INTRODUCTION ......................................................................................................................7

1.1 The concept.................................................................................................................................... 7

1.2 Before you start .............................................................................................................................. 7

1.3 Control elements ............................................................................................................................. 8

2. APPLICA T IONS .....................................................................................................................10

2.1 Connection ................................................................................................................................... 10

2.2 Level setting .................................................................................................................................. 10

2.3 Recommended setup .....................................................................................................................1 1

2.4 Adapting the TRUTH to the room acoustics ................................................................................... 12

3. INSTALLATION ......................................................................................................................14

3.1 Speaker setup............................................................................................................................... 14

3.2 Mains v oltag e ................................................................................................................................ 14

3.3. Audio connections ........................................................................................................................ 14

4. SPECIFICA T IONS ..................................................................................................................16

5. W ARRANTY...........................................................................................................................17

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