Burmester 159 Mono Power Amplifier Instruction Manual

Burmester 159 Mono Power Amplifier

Product Information

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
Intended Use| This device is intended for use in home music systems.
Permissible Operating Conditions| Maximum altitude, Humidity, Temperature range (details not
provided)

Product Usage Instructions

Unpacking and Setting
Up the Device Follow the below steps to unpack and set up the power amplifier:

1. Unpack the power amplifier (refer to page 16 in the manual).
2. Set up the power amplifier (refer to page 17 in the manual).

Connecting the Power Amplifier
The power amplifier can be connected using two methods:

• Classic Connection (refer to page 29 in the manual).
• Bi-amping (refer to page 29 in the manual).

Additionally, connect the power cable (refer to page 31 in the manual).

Operating the Power Amplifier
Follow the below steps to operate the power amplifier:

1. Access the control panel (refer to page 35 in the manual).
2. Switch the device on and off (refer to page 36 in the manual).
3. Configure auto power down (refer to page 37 in the manual).
4. Adjust the damping factor (refer to page 38 in the manual).
5. Troubleshoot any issues that may arise (refer to page 40 in the manual).
6. Maintain, repair, and care for the device (refer to page 43 in the manual).

Specifications

Refer to page 45 in the manual for detailed specifications of the device.

Introduction

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

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 harmonized 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 analog 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
• A DC-coupled signal path without sound-distorting capacitors
• Generously dimensioned power supply for high current delivery
• Remote on/off via Burmester preamplifier
• Analog fault detection and processor-controlled fault diagnostics

Intended Use

This device is intended for use in home music systems.

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

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 labeled accordingly: This device is intended for use in home music systems. ARRANGE FOR A SKILLED PERSON TO CARRY OUT THIS STEP!

Instructions for Skilled Persons
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 get in touch with your dealer

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.
CAUTION: indicates a hazard that poses a low or moderate risk of injury.
WARNING: indicates a hazard that could cause serious injury or death.
DANGER: 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.

Important Safety Instructions

Please read the operation manual for your power amplifier in its entirety. KEEP THIS OPERATION MANUAL IN A SAFE PLACE.
WARNING: 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 the page

WARNING: 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.

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 the 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 main 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 main 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

Unpacking and Setting Up the Device

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:

• 2 Flight case with the 159 power amplifier
• 2 Protective covers for the 159
• 1 Lifting equipment for lifting the 159
• 1 Set-up instructions for using the lifting equipment
• 2 Mains cable, 2 m in length
• 2 Remote cable, 2 m
• 1 BurSync cable, 7.45 m in length
• 1 Operation manual
• 1 Set of warranty documents
• 1 Care kit

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 authorized dealer instead.

Setting Up the Power Amplifier

ARRANGE FOR A SKILLED PERSON TO CARRY OUT THIS STEP!
WARNING: 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 carpets.
• 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.

Overview

1. Balanced output
2. Damping factor adjustment knob
3. Balanced input
4. Remote control output
5. BurSync output
6. Loudspeaker output, positive
7. Power socket
8. Mains switch
9. Loudspeaker output, negative
10. BurSync input
11. Remote control input
12. Damping factor display
13. BurSync display
14. Toggle the damping factor
15. Status display
16. On/off switch
17.  Auto power down indicator
18. Auto power down button
19. Switch the device on or to standby mode.
20. Toggle the damping factor between FIXED / VARIABLE
21. Toggle through the different modes of the auto power-down function:
    • OFF Switched off
    • SHORT 30 minutes
    • MID 60 minutes
    • LONG 120 minutes

CHOOSING THE COLOURS OF THE FRONT LED
You can use the remote control to adjust the color scheme of the front LED (1) to your liking.
You have 2 options:

1. Standby = red, ON = green
2. Standby = orange, ON = red

To change the color scheme, the device must be switched on. To change the colors, press the number combination “2 6 2 4” and then “OK” on the remote control.

Connecting the Power Amplifier
ARRANGE FOR A SKILLED PERSON TO CARRY OUT THIS STEP! The connections are located on the rear of the 159. Before connecting the device, please also read the operation manuals for the signal source.
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.

CONNECTING THE SIGNAL SOURCE
Connecting the signal source

1. Switch off all devices that you want to connect.
2. connect the desired channel of the signal source to the input (5).
3. Repeat the process for any additional power amplifiers.

CAUTION: HIGH-INTENSITY SOUND
Loud output signals can damage your hearing. Only connect source components with volume control to this input.

CONNECTING AN ADDITIONAL POWER AMPLIFIER (BI-AMPING)
Connecting another 159 for bi-amping

1. Switch off all devices that you want to connect.
2. Connect the output (3) of the first power amplifier to the input (5) of the second power amplifier.

SYNCHRONIZING MULTIPLE POWER AMPLIFIERS (BURSYNC)
The BurSync function enables you to couple as many 159 power amplifiers as you like.
The coupled devices automatically synchronize and exchange information with each other:

• Operation status (on/off)
• Auto power-down status
• Information about the damping factor

NOTE
The order in which you connect the power amplifiers does not affect the sound. The first amplifier in the series automatically becomes the BurSync master

COUPLING THE POWER AMPLIFIERS

1. Make sure that all power amplifiers to be connected are switched off.
2. Connect the BurSync cable to the BurSync output (7) on the first power amplifier and the BurSync input (12) on the second power amplifier.
3. Repeat the process for any additional power amplifiers.
4. Once you have connected all the desired power amplifiers, the devices will synchronize at the next start-up.

CONNECTING THE REMOTE CONTROL INPUTS
By connecting the remote control output (5) on the power amplifier to the remote control input on another Burmester device, you can switch this device on and off in parallel with the power amplifier.
Accordingly, if you connect the remote control input (13) to the remote control output on another Burmester device, the device will be switched on/off when the connected device is switched on/off.

NOTE
If you are operating multiple 159 devices connected via BurSync, you need only connect one of the power amplifiers (via the remote control input (13)) to another Burmester device that you want to start together with the power amplifiers. All other power amplifiers are switched on/off via the BurSync connection.

CONNECTING THE LOUDSPEAKERS
WARNING: HAZARDOUS VOLTAGE AT THE BINDING POSTS
Hazardous voltages may be present at the binding posts during operation.

• Before connecting the loudspeakers, switch off all components of your music system, and do not switch them on until you have made all the connections properly.
• Never operate the power amplifier without the binding post covers in place.
• No live parts should be exposed once you have connected the loudspeaker.

COUPLING THE POWER AMPLIFIERS

1. Make sure that all power amplifiers to be connected are switched off.
2. Connect the BurSync cable to the BurSync output (7) on the first power amplifier and the BurSync input (12) on the second power amplifier.
3. Repeat the process for any additional power amplifiers.
4. Once you have connected all the desired power amplifiers, the devices will synchronize at the next start-up.

CONNECTING THE REMOTE CONTROL INPUTS

By connecting the remote control output (5) on the power amplifier to the remote control input on another Burmester device, you can switch this device on and off in parallel with the power amplifier.
Accordingly, if you connect the remote control input (13) to the remote control output on another Burmester device, the device will be switched on/off when the connected device is switched on/off.
NOTE:
If you are operating multiple 159 devices connected via BurSync, you need only connect one of the power amplifiers (via the remote control input (13)) to another Burmester device that you want to start together with the power amplifiers. All other power amplifiers are switched on/off via the BurSync connection.

CONNECTING THE LOUDSPEAKERS
WARNING: HAZARDOUS VOLTAGE AT THE BINDING POSTS Hazardous voltages may be present at the binding posts during operation. Before connecting the loudspeakers, switch off all components of your music system, and do not switch them on until you have made all the connections properly. Never operate the power amplifier without the binding post covers in place. No live parts should be exposed once you have connected the loudspeaker.

SPEAKER CABLES
Burmester recommends using cables with a large cross-section to connect the loudspeakers to the power amplifier. A large cross-section ensures that you can maintain the power amplifier’s damping factor for optimal control of the loudspeakers. The best results are achieved by using original Burmester speaker cables, which have the same electrical and tonal characteristics as the internal wiring of Burmester loudspeakers and amplifiers.

ATTENTION

• The insulation on your selected speaker cable must match that of the original Burmester loudspeaker cable and must have a flame rating of at least VW-1. If in doubt, contact your dealer.
• The cables are connected with spade lugs, which requires you to use fully assembled cables.

CORRECT POLARITY
When connecting the loudspeakers, make sure that the connections have the correct polarity. It is important that you make all connections in phases:

•  Positive output on power amplifier (+) = positive input on loudspeaker
• Negative output on power amplifier (–) = negative input on loudspeaker

NOTE
Connecting the two channels out of phase causes poor bass and diffuse playback.

SHORT-CIRCUITING THE SPEAKER OUTPUTS
Connecting the positive and negative terminals of the speaker’s binding posts while the amplifier is on will cause a short circuit. In this event, the speaker outputs will automatically switch off to prevent damage to the device. The front LED (1) will flash orange. On the control panel, LED 1 in the status display (17) will light up orange.

To reset the protective function after a short circuit:

1. Switch off the power amplifier.
2. Check the connections to the loudspeakers.
3. Switch the power amplifier on again.
4. If the error persists, please contact your dealer.
5. Even though the protection circuit will prevent damage to the power amplifier, you should observe the following instructions to avoid a short circuit:
6. Switch off the power amplifier before connecting the speaker cables.
7. Connect the speaker cables to the loudspeakers first, then to the power amplifier.
8. Never connect the positive and negative terminals of the speaker’s binding posts to each other or to other conductive parts, e.g. the housing of the power amplifier

Classic Connection
ARRANGE FOR A SKILLED PERSON TO CARRY OUT THIS STEP!

Bi-amping
This is the most common connection method. With this method, each channel on the power amplifier is connected to a loudspeaker via a 2-pole cable. Two mono power amplifiers are therefore required for stereo playback.

CONNECT THE LOUDSPEAKERS AS FOLLOWS

1. Switch off the power amplifier, if necessary.
2. Connect one end of the speaker cable to the negative terminal on the loudspeaker.
3. Completely loosen the negative binding post (blue) by turning it anticlockwise.
4. Remove the binding post cover.
5. Place the spade lug on the binding post and slip the post cover over the spade lug.
6. Fasten the negative binding post (blue) to the negative terminal (–) by turning it clockwise.
7. Connect the speaker cable to the positive terminal on the loudspeaker.
8. Completely loosen the positive binding post (red) by turning it anticlockwise.
9. Remove the binding post cover.
10. Place the spade lug on the binding post and slip the post cover over the post.
11. Fasten the positive binding post (red) to the positive terminal (+) by turning it clockwise.

Bi-amping

In bi-amping, woofers, mid-range drivers, and tweeters are connected to separate power amplifier channels. Four mono power amplifiers are therefore required for this type of connection. Please check with your dealer whether your loudspeakers are suitable for bi-amping and refer to the operation manual for your speakers.

Connecting the power cable
Before connecting the loudspeakers, please also read the operation manuals for the components you plan to connect.
WARNING: MISSING OR FAULTY PROTECTIVE EARTH CONTACT A missing or incorrectly connected protective earth contact poses a risk to life. Before connecting the device, make sure that the protective earth contact in your main socket is in operation. Contact a professional if you are in any doubt.

TO CONNECT THE POWER CABLE

1. Make sure that the mains switch (10) is in the 0 position.

2. Connect the power cable to the power socket (9).

3. Check that the voltage provided by your mains matches the voltage specifications.
   NOTE:

4. You can find information about the required mains voltage under the power socket (9).

5. Insert the mains plug into the mains socket.

6. Switch the mains switch (10) to ON.

Operating the Power Amplifier

Accessing the Control Panel

WARNING: BRUISING CAUSED BY THE COVER.
The cover can cause hand injuries when closing. Make sure that your hands or other limbs are not in the opening when closing the cover. The control panel is hidden under the movable cover. Slide the cover back to adjust settings or to turn the device on or off.

Switching the Device On and Off
THE DEVICE HAS TWO CONTROLS FOR SWITCHING IT ON AND OFF: The main switch (10) is located on the rear of the device. Toggling the main switch connects or disconnects the standby power supply to/from the mains. The on/off switch (18) is located on the control panel on top of the device. Toggling the on/off switch switches the device between standby mode and operational mode.

WARNING: HIGH-INTENSITY SOUND
Loud output signals can damage your hearing. Before switching on the power amplifier, reduce the volume of your preamplifier to a low level and only increase the volume after switching on the power amplifier.
To prevent hearing loss, avoid listening at high volumes for long periods of time.

TO SWITCH THE DEVICE FROM OFF TO STANDBY
Move the mains switch (10) on the rear of the device to the I position. The device switches to standby mode. The LED (1) lights up red.

TO SWITCH THE DEVICE ON FROM STANDBY MODE

• Pull the on/off switch (18) on the control panel towards you or press the POWER button (21) on the remote control.
• The LED (1) flashes green while the device is starting up.
• Once the start-up is complete, the LED (1)remains steadily green.
• The power amplifier is now ready for operation.

TO SWITCH THE DEVICE FROM OPERATIONAL TO STANDBY MODE
Pull the on/off switch (18) on the control panel towards you or press the POWER button (21) on the remote control.

• The LED (1) flashes red while the power amplifier is switching to standby mode.
• Once this process is complete, the LED (1)remains steadily red.
• The power amplifier is now in standby mode.

The main switch (10) can remain in the I position. This allows you to conveniently switch on the device using the on/off switch (18) or the remote control. Very little power is consumed in standby mode because only the standby power supply is active.

TO DISCONNECT THE DEVICE FROM THE MAINS

1. Switch off the device using the on/off switch (18).
2. Switch the mains switch (10) to O.
   NOTE:
   Always switch the device off using the on/off switch before switching the main switch to O.

Configuring Auto Power Down
The device has an auto power-down function. When this function is activated, the device automatically goes into standby mode if there is no signal for a configured amount of time. If your power amplifiers are connected via BurSync, all connected power amplifiers follow the settings of the BurSync master, which is the first 159 in the network.

CONFIGURING AUTO POWER DOWN

• Press the auto power down button (20).
• This switches the auto power down function to the next value: Off › Short › Mid › Long › Off ›…
• Off Auto power down is deactivated.
• Short The device switches to standby mode after 30 minutes of inactivity.
• Mid The device switches to standby mode after 60 minutes of inactivity.
• Long The device switches to standby mode after 120 minutes of inactivity.

Adjusting the Damping Factor
The variable damping factor enables you to adjust the sound of the 159 to your preferences. Changing the damping factor affects the bass response of the 159 in particular. The higher the damping, the more precisely your speakers will be controlled by the amplifier. Take the time to find the setting that works best with your speakers. You can switch between your chosen value and the fixed maximum damping factor of 4,006 at any time from the control panel (16) or with the optional remote control (22).

DAMPING FACTOR DISPLAY
You can check the configured value on the damping factor display (14) on the control panel:

• The power amplifier’s damping factor is indicated by a green LED.
• If multiple power amplifiers are connected via BurSync and their configured values differ, these values are indicated by one or more orange LEDs, as necessary.
• This enables you to check if all power amplifiers are set to the same value by looking at the control panel of any power amplifier

ACTIVATING THE VARIABLE DAMPING FACTOR
The damping factor display (14) shows the value FIXED.

• Press the damping factor toggle (16). or
• Press the RESUME button (22) on the remote control.
• The damping factor display (14) changes to the configured value.

ACTIVATING THE FIXED DAMPING FACTOR
The damping factor display (14) shows a value other than FIXED.
Press the damping factor toggle (16). or Press the RESUME button (22) on the remote control. The damping factor display (14) changes to FIXED.

ADJUSTING THE DAMPING FACTOR
Set the damping factor control knob (4) to the desired value.

NOTE
You can see the set value through the opening.

USING THE REMOTE CONTROL
The Burmester remote control toggles the settings for auto power down and the damping factor for all 159 devices within range. The devices’ settings are only synchronized if you are using BurSync. If you want to control your 159 devices with the remote control but do not want to connect it with BurSync, first set the same values for the auto power-down function and the damping factor status directly on all 159 devices.

Troubleshooting

The 159 is equipped with extensive protection circuits that protect it and the connected speakers from damage in the event of a fault. If an error occurs, this is indicated by the LED (1) on the front of the 159. It flashes orange in the event of an error.

MORE DETAILS ABOUT THE ERROR WILL BE FOUND ON THE CONTROL PANEL.
BURSYNC – ERROR

Description
The BurSync output on the last power amplifier was connected to the BurSync input on the first power amplifier. This results in a ring connection.
Troubleshooting

1. Switch off all power amplifiers.
2. Remove the BurSync cable connecting the last power amplifier to the first.

SHORT CIRCUIT ERROR OR TEMPORARY OVERLOAD

Description
There is a short circuit in the cables, or the power amplifier was temporarily overloaded.

Troubleshooting

1.  Switch off the power amplifier.
2. Check the cables between the power amplifier and the speakers.
3. Correct any faults in the cables.
4. Switch the power amplifier on again.
5. If the error is still displayed, contact your dealer

Description
The power amplifier has reached a critical temperature.
Troubleshooting:

1. Reduce the volume until the LED switches off.
2. Lower the room temperature.

TEMPERATURE – ERROR

Description:
The temperature is too high.
Troubleshooting:

1. Switch off the power amplifier.
2. Wait 30 minutes.
3. Switch the power amplifier on again.
4. If the error is still displayed, contact your dealer.

SERVICE ERROR
If one of the following errors occurs, you cannot correct it yourself. It requires attention from Burmester’s service. In this event, please switch off the power amplifier and disconnect it from the mains by unplugging the power cable from the mains socket. Contact your dealer for further steps

DESCRIPTION
An error has occurred that requires Burmester service.

MAINTENANCE, REPAIR, AND CARE
ATTENTION: DAMAGE TO THE SURFACE
Liquids and chemical agents can damage the surface of the housing.

• Use the enclosed care kit to clean the 159.
• Ensure that no liquids get into the device.
• Do not use chemical agents when cleaning.

ATTENTION: REMOTE CONTROL (OPTIONAL)
The optional remote control contains button cells. These batteries can only be replaced by your dealer.

WARRANTY

We provide a two-year warranty on this device. If you send in the completed warranty certificate papers within four weeks of purchase, the warranty will be extended to three years. For the warranty to be valid, the device must have been correctly connected without overloading and retain its mechanical integrity. The warranty expires if the device has been tampered with in any way or if parts of the housing, connections, or terminals have been dismantled.

DISPOSAL
German law stipulates that this device and its accessories must not be disposed of with household waste (grey bin, yellow bin, compost bin, paper or glass). Instead, they must be handed in at municipal collection points or to voluntary recycling programs.

Specifications

Subject to technical changes without notice

BURMESTER HOME AUDIO GMBH
Wilhelm-Kabus-Straße 47
10829 berlin
Germany
www.burmester.de

References

• Burmester -

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