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. guitar combo...
General information 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. Use the search function in the electronic version to find the topics of Keyword search interest for you quickly.
General information 1.2 Notational conventions This manual uses the following notational conventions: Letterings The letterings for connectors and controls are marked by square brackets and italics. Examples: [VOLUME] control, [Mono] button. guitar combo...
General information Instructions The individual steps of an instruction are numbered consecutively. The result of a step is indented and highlighted by an arrow. Example: Switch on the device. Press [Auto]. ð Automatic operation is started. Switch off the device. 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.
Page 8
General information 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. WARNING! This combination of symbol and signal word indicates a pos‐ sible dangerous situation that can result in death or serious injury if it is not avoided.
Page 9
General information Warning signs Type of danger Warning – hot surface. Warning – danger zone. HB-15GXD JamBox...
Safety instructions Safety instructions Intended use 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.
Page 11
Safety instructions 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.
Page 12
Safety instructions 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. Do not use the device if covers, protectors or optical components are missing or damaged.
Page 13
Safety instructions 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.
Page 14
Safety instructions NOTICE! Risk of fire Do not block areas of ventilation. Do not install the device near any direct heat source. Keep the device away from naked flames. guitar combo...
Page 15
Safety instructions 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 specified in the chapter ‘Technical specifications’...
Page 16
Safety instructions 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.
Features Features Special features of the device 15 watt digital electric guitar combo 5" speaker 8 amp modellings: Roland Jazz Chorus, Wave X Clean, Ibanez TS9, Boss SD1, Crunch Box, Wave X Power Drive, Wave X Power Drive Rhythm, Boss MT2 6 digital effects (Delay, Reverb, Chorus, Flanger, Phaser, Tremolo) Built-in drum machine (36 rhythm patterns with tempo) Aux input...
Installation and starting up 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.
Page 21
Connections and controls 1 [POWER ON] LED lights up when the unit is operational. 2 [AMP] Control to adjust the amplifier sound. 3 [GAIN] Control to adjust the signals preamp gain. 4 [TONE] Control to adjust the brightness of the amplifier sound. 5 [VOLUME] Volume control.
Page 22
Connections and controls [RHYTHM] LED lights up when the drum machine is active. [TEMPO] LED lights up while the rhythm style tempo is being set. [VOLUME] LED lights up while the rhythm style volume is being set. [ACTIVE] Button to activate the drum machine. [TURN] Button for activating the rhythm style, speed and volume setting.
Page 23
Connections and controls [–]/[+] Increases or decreases the value of rhythm style, speed, and volume. 9 [INPUT] Guitar input, designed as 1/4" jack socket HB-15GXD JamBox...
Page 24
Connections and controls Rear panel guitar combo...
Page 25
Connections and controls 10 [AUX IN] Aux input for connecting an MP3 or CD player, designed as 1/4" jack socket 11 [PHONES] Headphones output, designed as 1/4" jack socket When you connect headphones, the internal speaker is automatically muted. 12 [HOT AREA] Hot surface.
Operating Operating 6.1 Selecting amp sound Turn the control [AMP] and select one of the eight amp sounds. The following table shows the preset amps sounds. Set sound Comparable sound Set sound Comparable sound JC CLEAN Roland Jazz Chorus CRUNCH Crunch Box CLEAN Wave X Clean...
Operating 6.2 Drum machine 6.2.1 Turning on drum machine Press [ACTIVE] to turn on the drum machine. The LED [RHYTHM] is lit. To turn off the drum machine, press again [ACTIVE]. The LED [RHYTHM] turns off. 6.2.2 Selecting rhythm style To select one of the 36 rhythm styles, press [TURN] while the drum machine is active.
Page 28
Operating When the desired rhythm style is selected, release [–] or [+] . The following table shows the preset rhythm styles. Number Sound Number Sound Number Sound Number Sound beat_8_1 beat_Metal_1 beat_Pop_1 beat_5per4_1 beat_8_2 beat Metal_2 beat_Pop_2 beat_5per4_2 beat_8_3 beat_Thrash beat_Pop_3 beat_Latin beat_8_shuffle...
Page 29
Operating Number Sound Number Sound Number Sound Number Sound beat_Rock beat_Hiphop beat_3per4 beat_Jazz_1 beat_Hard beat_RnR beat_6per8 beat_Jazz_2 6.2.3 Selecting the rhythm style speed To select the speed of the selected rhythm style, press [TURN] while the drum machine is active. The LEDs [RHYTHM], [TEMPO] and [VOLUME] light up alternately. If the [VOLUME] LED lights up only, press and hold [–] or [+] to set the speed between the values 30 and 240.
Page 30
Operating 6.2.4 Selecting the rhythm style volume To select the volume of the selected rhythm style, press [TURN] while the drum machine is active. The LEDs [RHYTHM], [TEMPO] and [VOLUME] light up alternately. If the [TEMPO] LED lights up only, press and hold [–] or [+] to set the volume. When the desired volume is reached, release [–] or [+] .
Plug and connection assignment Plug and connection assignment Introduction 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’...
Page 35
Plug and connection assignment In a professional environment, therefore, the balanced transmission is preferred, because this enables an undisturbed transmission of signals over long distances. In addition to the conduc‐ tors ‘Ground’ and ‘Signal’, in a balanced transmission a second core is added. This also transfers the signal, but phase-shifted by 180°.
Page 36
Plug and connection assignment 1/4" TRS phone plug (mono, bal‐ anced) Signal (in phase, +) Signal (out of phase, –) Ground guitar combo...
Protecting the environment Protecting the environment Disposal of the packaging mate‐ rial 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.
Need help?
Do you have a question about the Harley Benton HB-15GXD JamBox and is the answer not in the manual?
Questions and answers