Burmester 159 User manual

OPERATION MANUAL
Table of Contents
INTRODUCTION
About this Device 6
Intended Use 7
About this Operation Manual 7
INSTRUCTIONS
Instructions for Skilled Persons 10
Meanings of Warning Symbols and Words 11
Important Safety Instructions 12
UNPACKING AND SETTING UP THE DEVICE
Unpacking the Power Amplifier 16
Setting Up the Power Amplifier 17
OVERVIEW OF THE 159 19
Connecting the Power Amplifier 24
Classic Connection 29
Bi-amping 29
Connecting the Power Cable 31
OPERATING THE POWER AMPLIFIER 33
Accessing the Control Panel 35
Switching the Device On and Off 36
Configuring Auto Power Down 37
Adjusting the Damping Factor 38
Troubleshooting 40
Maintenance, Repair, Care 43
SPECIFICATIONS 45

2|46

Introduction

4  46
OPERATION MANUAL

5  46
159 MONO POWER AMPLIFIER
Congratulations on your purchase
and thank you for choosing Burmester.
Dear music lover,
Congratulations on your purchase and
thank you for choosing Burmester.
You have chosen a product that combines absolute
fidelity and uncompromising quality with technical
innovation and maximum versatility.
Before using the device for the first time, we recommend
that you read through the entire manual at least once
so that you can make full use of the capabilities of this
exceptional audio device. Should you still have questions,
please speak to your dealer or contact us directly.
We’re always happy to discuss any special requests you may have,
no matter how unusual. We love a good technical challenge.
We wish you an exceptional listening experience.
The Burmester Team

646
OPERATION MANUAL
About this Device
Burmester proudly presents this series model of its superlative mono power
amplifiers – because exceptional sound is in our DNA. With a design inspired by
the renowned amplifiers in our portfolio, we’ve updated the look of the 159 mono
power amplifier to match the most modern design concepts and to highlight the
technological advances contained within. After seven years of development, we’ve
improved and harmonised the performance and control to unprecedented levels.
The 159 is the happy result of Burmester’s wealth of experience in power amplifiers
and the latest innovations in analogue amplifier technology: a device with ground-
breaking design and technology, while still remaining a “typical Burmester”.
THE HIGHLIGHTS:
$Variable damping factor for adapting to your loudspeaker
$Fully symmetrical design
$DC-coupled signal path without sound-distorting capacitors
$Generously dimensioned power supply for high current delivery
$Remote on/off via Burmester preamplifier
$Analogue fault detection and processor-controlled fault diagnostics

7  46
159 MONO POWER AMPLIFIER
About this Operation Manual
Intended Use
This operation manual describes to the user how to operate the
159 mono power amplifier. It also provides information for skilled
persons within the meaning of the EN 62368-1 standard.
Sections that concern skilled persons only are labelled accordingly:
This device is intended for use in home music systems.
ARRANGE FOR A SKILLED PERSON TO CARRY
OUT THIS STEP!
PERMISSIBLE OPERATING CONDITIONS
Please take care to only ever use your Burmester device under the following
conditions:
Maximum altitude 2000 m
Humidity < 50 %
Temperature range 20–30° C

8|46

9|46
Instructions

1046
OPERATION MANUAL
Certain steps in this operation manual may only be performed by skilled persons.
The work steps in question are presented in this manual with a
blue background and marked with the following notice:
ARRANGE FOR A SKILLED PERSON TO CARRY
OUT THIS STEP!
If you require help at a later point during your use of the device
or when moving home, please contact your dealer.
Instructions for Skilled Persons

1146
159 MONO POWER AMPLIFIER
Meaning of Warning Symbols and Words
The following warnings, symbols and warning words are used in this document:
The general hazard symbol, in conjunction with the warning words
CAUTION, WARNING or DANGER warns of the risk of serious injury.
Follow all of the subsequent instructions to avoid injury or death.
The lightning symbol, in conjunction with the warning word DANGER,
warns of potentially fatal electrical voltage.
This warning symbol warns of high surface temperatures. You may get
burned by touching these parts.
This warning symbol warns of bruising hazards.
ATTENTION:
indicates a hazard that could damage or destroy the device.
sCAUTION:
indicates a hazard that poses a low or moderate risk of injury.
sWARNING:
indicates a hazard that could cause serious injury or death.
sDANGER:
indicates a hazard that will lead directly to death or serious injury.
Please observe the following instructions:
$Read and follow the instructions in this manual, particularly the warnings and safety
instructions.
$Keep this operation manual.

1246
OPERATION MANUAL
Important Safety Instructions
Please read the operation manual for your power amplifier in its entirety.
KEEP THIS OPERATION MANUAL IN A SAFE PLACE.
sWARNING: SUFFOCATION HAZARD DURING UNPACKING
Your Burmester device is shipped in plastic bags to protect the surfaces.
$Keep these bags out of reach of children in order to prevent suffocation.
ATTENTION: RISK OF INJURY TO CHILDREN
If used improperly, this device poses various injury risks to children.
It is not intended for use by children.
$Never leave your children unattended with the device.
ATTENTION: DANGER DUE TO IMPROPER INSTALLATION
Please observe the instructions on how to properly install the device on
page 17.
sWARNING: HIGH DEVICE WEIGHT
Your Burmester device is very heavy and can
cause serious injury if it tips over or falls.
$The Burmester 159 may only be unpacked and installed by skilled persons
with appropriate training.

1346
159 MONO POWER AMPLIFIER
ATTENTION: HAZARDOUS VOLTAGE
To fully disconnect the device from the mains,
you have to unplug the mains plug.
ATTENTION: WHEN STARTING THE DEVICE
$Switch off all devices in your hi-fi system before installation. Do not switch
these devices on again until you are sure that all devices are completely and
correctly connected.
$Do not attempt to operate the device if it is obviously damaged or if liquid has
gotten in it.
CAUTION: HEAT GENERATION
During operation, the housing of the 159 can
heat up to 70° C at the places marked.
$Be careful when touching the device.
ATTENTION: OPERATING THE DEVICE DURING THUNDERSTORMS
It is not sufficient to switch off the mains switch on the back of the device.
$During thunderstorms or when there is a risk of lightning strikes, disconnect
the device from the power supply by unplugging the power cable from the
device or the mains socket. To be safe, also unplug all connected components
from the power supply.
DANGER: OPENING THE DEVICE
There are dangerous voltages inside the housing, regardless
of whether the power cable is connected or disconnected!
$Do not open the device.
REPLACING FAULTY FUSES
If you cannot switch on the device even though the mains voltage is connected,
the reason might be a faulty fuse. This can have various causes.
$Have the device checked by your dealer. Only authorized personnel are
permitted to change the fuses.

14|46

15|46
Unpacking
and Setting Up
the Device

1646
OPERATION MANUAL
Unpacking the Power Amplifier
ARRANGE FOR A SKILLED PERSON TO CARRY OUT THIS STEP!
To avoid damaging the housing, do not use any pointed
or sharp objects to open the packaging.
Please check the delivery for completeness and damage.
SCOPE OF DELIVERY
The following is included with delivery:
PLEASE CHECK THE DELIVERY FOR COMPLETENESS AND DAMAGE.
$If parts of the delivery are missing or if you notice any damage when unpacking the
device, please do not connect them and consult an authorised dealer instead.
FREE ACCESSORIES
For each amplifier pair, you can receive 1 BurSync cable free of charge to connect
the amplifiers. It is made to your desired length. Please contact your dealer.
WE RECOMMEND KEEPING THE ORIGINAL PACKAGING
FOR FUTURE TRANSPORT, MOVING, ETC.
1Flight case with the 159 power amplifier
1Power cable, 2 m
1Remote cable, 2 m
1Set of warranty documents
1Care kit

1746
159 MONO POWER AMPLIFIER
Setting Up the Power Amplifier
ARRANGE FOR A SKILLED PERSON TO CARRY OUT THIS STEP!
sWARNING: HIGH POWER AMPLIFIER WEIGHT
The 159 is very heavy and can cause serious injury if it falls.
$The power amplifier should only be unpacked and set up by skilled persons
who are experienced in handling heavy loads.
$Be sure to follow the separate installation manual for the 159!
$Because of the power amplifier’s high weight, we recommend consulting
astructural engineer before setting it up.
ATTENTION: HIGH OR LOW TEMPERATURES
CAN CAUSE DEVICE MALFUNCTIONS
$After unpacking the device, leave it to sit in the room for a time before
connecting and switching it on.
$Carefully remove the device from the packaging and place it in a suitable
location.
ATTENTION: IMPROPER INSTALLATION
Consider the following points when choosing where to position the device:
$Avoid exposure to direct sunlight as well as excessive heat, cold, moisture
and dust.
$Ensure adequate ventilation. Never place the power amplifier on an enclosed
shelf.
$Do not cover the slots or openings on the device, as they are needed for
ventilation.
$Only place the device on level and load-bearing surfaces.
$The device requires ventilation from below. This is ensured by the height of
the adjustable feet. Place it only on firm surfaces, not on high-pile carpet.
$Do not operate the 159 in the bottom half of the flight case it was transported
in.
NOTE
The IR receiver receives the signals from the transmitter in the
remote control and must not be covered by objects.

1846
OPERATION MANUAL

159 MONO POWER AMPLIFIER
Overview
of the 159

2046
OPERATION MANUAL
1LED (operation/standby) and infrared receiver
(LED off)
(LED steady orange)
(LED flashing green)
(LED steady green)
(LED flashing red)
(LED steady red)
(LED flashing orange)
The power amplifier is switched off.
Initiating start-up
The power amplifier is starting up.
The power amplifier is in operation.
The power amplifier is switching to standby mode.
The power amplifier is in standby mode.
An error has occurred (see page 41).
2Control panel (under the movable cover)
2
1
FRONT SIDE