thomann HBW-20 User manual

HBW-20
bass combo
user manual

Musikhaus Thomann
Treppendorf 30
96138 Burgebrach
Germany
Telephone: [phone]
E-mail: [email protected]
Internet: www.thomann.de
24.03.2015, ID: 224310 (V2)

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....................................................................................................................................................... 13
4 Installation and operation.................................................................................................................. 14
5 Components and functions................................................................................................................ 15
6 Technical specifications....................................................................................................................... 19
7 Plug and connection assignment.................................................................................................... 20
8 Cleaning....................................................................................................................................................... 22
9 Protecting the environment.............................................................................................................. 23
Table of contents
HBW-20
3

1 General information
This manual contains important instructions for the safe operation of the unit. Read and follow
the safety instructions and all other instructions. Keep the manual for future reference. Make
sure that it is available to all those using the device. If you sell the unit please make sure that
the buyer also receives this manual.
Our products are subject to a process of continuous development. Thus, they are subject to
change.
General information
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1.1 Further information
On our website (www.thomann.de) you will find lots of further information and details on the
following points:
Download This manual is also available as PDF file for you to download.
Keyword search Use the search function in the electronic version to find 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
HBW-20
5

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 find 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.
CAUTION! This combination of symbol and signal word indicates a pos‐
sible dangerous situation that can result in minor 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 – high-voltage.
Warning – danger zone.
General information
HBW-20
7

2 Safety instructions
This device is intended to be used for amplification and playback of signals from musical
instruments with electromagnetic pickups. Any other use or use under other operating condi‐
tions 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 sufficient 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.
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.
Intended use
Safety
Safety instructions
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DANGER!
Electric shock caused by high voltages inside
Within the device there are areas where high voltages may be present. Never
remove any covers.
There are no user-serviceable parts inside.
DANGER!
Electric shock caused by short-circuit
Always use proper ready-made insulated mains cabling (power cord) with a pro‐
tective contact plug. Do not modify the mains cable or the plug. Failure to do so
could result in electric shock/death or fire. If in doubt, seek advice from a regis‐
tered electrician.
Safety instructions
HBW-20
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CAUTION!
Possible hearing damage
The device can produce volume levels that may cause temporary or permanent
hearing impairment. Over an extended period of time, even levels that seem to
be uncritical can cause hearing damage.
Decrease the volume level immediately if you experience ringing in your ears or
hearing impairment. If this is not possible, keep a greater distance or use suffi‐
cient ear protectors.
NOTICE!
Risk of fire
Do not cover the device nor any ventilation slots. Do not place the device near
any direct heat source. Keep the device away from naked flames.
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.
NOTICE!
Power supply
Before connecting the device, ensure that the input voltage (AC outlet) matches
the voltage rating of the device and that the AC outlet is protected by a residual
current circuit breaker. Failure to do so could result in damage to the device and
possibly injure the user.
Unplug the device before electrical storms occur and when it is unused for long
periods of time to reduce the risk of electric shock or fire.
Safety instructions
HBW-20
11

NOTICE!
Possible staining
The plasticiser contained in the rubber feet of this product may possibly react
with the coating of your parquet, linoleum, laminate or PVC floor and after some
time cause permanent dark stains.
In case of doubt, do not put the rubber feet directly on the floor, but use felt-pad
floor protectors or a carpet.
Safety instructions
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3 Features
Special features of this device:
n1 × 8" woofer
nControls for input gain and master volume
nControls for bass, mids and treble
n3-band equalizer
nHeadphone output
nRobust housing with felt cover, edge protection, rubber feet and metal front grid
nFold-out bracket for tilting the combo
nStandby function
Features
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4 Installation and operation
Unpack and carefully check that there is no transportation damage before using the unit. Keep
the equipment packaging. To fully protect the device against vibration, dust and moisture
during transportation or storage use the original packaging or your own packaging material
suitable for transport or storage, respectively.
Establish all connections as long as the unit is switched off. Use the shortest possible high-
quality cables for all connections.
NOTICE!
Possible property damage by magnetic fields
Loudspeakers produce a static magnetic field. Therefore, maintain an appropriate
distance to devices that can be adversely affected or damaged by an external
magnetic field.
Installation and operation
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5 Components and functions
Front panel
Components and functions
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1[INPUT]
¼-inch (6.35-mm) jack socket for the input signal coming from your bass guitar.
2[GAIN]
Input gain control.
3[BASS], [MIDDLE], [TREBLE]
Control to attenuate or increase the frequencies by ±12 dB
4[MASTER]
Overall volume control. Does not affect the signal coming from input AUX IN.
5[AUX IN]
Auxiliary signal input, electronically located behind the equalizer, directly feeding the power stage for connecting a
CD player or the like. Control the volume on the connected audio device.
Components and functions
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6[PHONES]
¼-inch (6.35-mm) headphone jack socket. If you connect headphones, the internal speakers are disconnected.
To avoid annoying noises, turn the ‘MASTER’ (4) control down before plugging headphones in or out.
7[STANDBY]
Push button to[enable]or[disable]the energy saving mode.
If the power is on and there is no signal input at the [INPUT] jack for 15 minutes, the device will automatically enter
standby mode. As soon as the [INPUT] jack receives a instrument signal, the device switches back to normal mode.
LED [ACTIVE]
Power indicator. This LED lights up continuously in normal operation and turns off when the device – on activated
power save mode – switches to standby mode.
LED [STANDBY]
Standby operation. This LED lights up when the device – on activated power save mode – switches to standby mode
and turns off when the device is switched back to normal operation.
8[POWER]
Power on/off switch. Switches the device on and off.
Components and functions
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9 Panel plug for mains cable with fuse holder.
Rear panel
Components and functions
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6 Technical specifications
System bass combo
Configuration 1 × 8" woofer
Connections INPUT (¼-inch input jack)
AUX IN (Cinch)
PHONES (¼-inch input jack)
Input impedance –20 dB / 1 MΩ
Power consumption 44 W
Operating supply voltage 230 V , 50 Hz
Fuse 5 mm × 20 mm, 0,5 A, 250 V, slow blow
Dimensions (W ×D ×H) 343 mm ×350 mm ×205 mm (15.35in. × 5.31in. × 15.55in.)
Weight 6.1 kg
Technical specifications
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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 fits 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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