thomann Harley Benton GroundBox User manual

GroundBox
ground box
user manual

Musikhaus Thomann
Thomann GmbH
Hans-Thomann-Straße 1
96138 Burgebrach
Germany
Telephone: [phone]
E-mail: [email protected]
Internet: www.thomann.de
29.08.2019, ID: 472496

Table of contents
1 General information................................................................................................................................. 4
1.1 Further information........................................................................................................................... 5
1.2 Notational conventions.................................................................................................................... 6
1.3 Symbols and signal words............................................................................................................... 6
2 Safety instructions..................................................................................................................................... 8
3 Features....................................................................................................................................................... 11
4 Installation and starting up................................................................................................................ 12
5 Connections and controls................................................................................................................... 14
6 Technical specications....................................................................................................................... 16
7 Plug and connection assignment.................................................................................................... 18
8 Protecting the environment.............................................................................................................. 19
Table of contents
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1 General information
This user manual contains important information on the safe operation of the device. Read and
follow all safety notes and all instructions. Save this manual for future reference. Make sure
that it is available to all persons using this device. If you sell the device to another user, be sure
that they also receive this manual.
Our products and user manuals are subject to a process of continuous development. We there‐
fore reserve the right to make changes without notice. Please refer to the latest version of the
user manual which is ready for download under www.thomann.de.
General information
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1.1 Further information
On our website (www.thomann.de) you will nd lots of further information and details on the
following points:
Download This manual is also available as PDF le for you to download.
Keyword search Use the search function in the electronic version to nd the topics of
interest for you quickly.
Online guides Our online guides provide detailed information on technical basics
and terms.
Personal consultation For personal consultation please contact our technical hotline.
Service If you have any problems with the device the customer service will
gladly assist you.
General information
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1.2 Notational conventions
This manual uses the following notational conventions:
The letterings for connectors and controls are marked by square brackets and italics.
Examples: [VOLUME] control, [Mono] button.
1.3 Symbols and signal words
In this section you will nd an overview of the meaning of symbols and signal words that are
used in this manual.
Letterings
General information
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Signal word Meaning
DANGER! This combination of symbol and signal word indicates an
immediate dangerous situation that will result in death or
serious injury if it is not avoided.
NOTICE! This combination of symbol and signal word indicates a pos‐
sible dangerous situation that can result in material and
environmental damage if it is not avoided.
Warning signs Type of danger
Warning – danger zone.
General information
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2 Safety instructions
This device is used to ground audio equipment and to reduce noise caused by lack of
grounding. Use the device only as described in this user manual. Any other use or use under
other operating conditions is considered to be improper and may result in personal injury or
property damage. No liability will be assumed for damages resulting from improper use.
This device may be used only by persons with sucient physical, sensorial, and intellectual
abilities and having corresponding knowledge and experience. Other persons may use this
device only if they are supervised or instructed by a person who is responsible for their safety.
Intended use
Safety instructions
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DANGER!
Danger for children
Ensure that plastic bags, packaging, etc. are disposed of properly and are not
within reach of babies and young children. Choking hazard!
Ensure that children do not detach any small parts (e.g. knobs or the like) from
the unit. They could swallow the pieces and choke!
Never let children unattended use electrical devices.
Safety
Safety instructions
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NOTICE!
Operating conditions
This device has been designed for indoor use only. To prevent damage, never
expose the device to any liquid or moisture. Avoid direct sunlight, heavy dirt, and
strong vibrations.
Only operate the device within the ambient conditions specied in the chapter
‘Technical specications’ of this user manual. Avoid heavy temperature uctua‐
tions and do not switch the device on immediately after it was exposed to tem‐
perature uctuations (for example after transport at low outside temperatures).
Dust and dirt inside can damage the unit. When operated in harmful ambient
conditions (dust, smoke, nicotine, fog, etc.), the unit should be maintained by
qualied service personnel at regular intervals to prevent overheating and other
malfunction.
Safety instructions
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3 Features
Special features of the device:
nReduces or eliminates noise
nSuitable for:
– Battery powered ampliers
– Compact power amplier
– Multi eects with power supply
n2 × signal in and output (guitar or line signal), designed as 1/4" phone jacks
nRemovable ground cable with banana plug and dummy plug for safety socket (included)
Features
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4 Installation and starting up
Unpack and check carefully there is no transportation damage before using the unit. Keep the
equipment packaging. To fully protect the product against vibration, dust and moisture during
transportation or storage use the original packaging or your own packaging material suitable
for transport or storage, respectively.
Noise can be caused by lack of grounding. The GroundBox reduces or eliminates noise caused,
for example, by touching and releasing strings or other metal parts of the guitar.
Use the GroundBox by connecting it between the guitar and the signal chain (such as eects
pedal, amp) via the [LINK 1] and [LINK 2] connectors. Plug the banana plug of the ground cable
into the appropriate connection of the GroundBox and the dummy plug into a professionally
installed safety socket.
Installation and starting up
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NOTICE!
Possible damage due to connection to unsuitable devices
Do not connect this unit to speaker outputs, headphone outputs, power amp out‐
puts or devices with existing ground connection.
This can permanently damage the device.
Installation and starting up
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5 Connections and controls
Connections and controls
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1 Connection for ground cable with banana plug and dummy plug for safety socket
2, 3 [LINK 1]/[LINK 2]
Signal in and output (guitar or line signal), designed as 1/4" phone jacks
Connections and controls
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6 Technical specications
Input connection Audio signal 1 ×1/4" jack socket
Output connections Audio signal 1 ×1/4" jack socket
Earthing 1 × ground cable with banana plug and
dummy plug for safety socket
Dimensions (W × H × D) 93 mm × 54 mm × 35 mm
Weight 175 g
Ambient conditions Temperature range 0 °C…40 °C
Relative humidity 50 %, non-condensing
Technical specications
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Multi-channel No
Active / passive Passive
19" No
Switchable pad No
Switchable ground / lift No
Battery supply No
Speaker simulation No
Further information
Technical specications
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7 Plug and connection assignment
This chapter will help you select the right cables and plugs to connect your valuable equip‐
ment in such a way that a perfect sound experience is ensured.
Please note these advices, because especially in ‘Sound & Light’ caution is indicated: Even if a
plug ts into the socket, an incorrect connection may result in a destroyed power amp, a short
circuit or ‘just’ in poor transmission quality!
1 Signal
2 Ground, shielding
Introduction
1/4" TS phone plug (mono,
unbalanced)
Plug and connection assignment
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8 Protecting the environment
For the transport and protective packaging, environmentally friendly materials have been
chosen that can be supplied to normal recycling.
Ensure that plastic bags, packaging, etc. are properly disposed of.
Do not just dispose of these materials with your normal household waste, but make sure that
they are collected for recycling. Please follow the notes and markings on the packaging.
This product is subject to the European Waste Electrical and Electronic Equipment Directive
(WEEE) in its currently valid version. Do not dispose with your normal household waste.
Dispose of this device through an approved waste disposal rm or through your local waste
facility. When discarding the device, comply with the rules and regulations that apply in your
country. If in doubt, consult your local waste disposal facility.
Disposal of the packaging mate‐
rial
Disposal of your old device
Protecting the environment
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Notes
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