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. HB-20R Guitar Combo...
Personal consultation For personal consultation please contact our technical hotline. If you have any problems with the device the customer service will Service gladly assist you. 1.2 Notational conventions This manual uses the following notational conventions: HB-20R Guitar Combo...
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. HB-20R Guitar Combo...
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General information Warning signs Type of danger Warning – high-voltage. Warning – danger zone. HB-20R Guitar Combo...
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. HB-20R Guitar Combo...
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(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 qualified service personnel at regular intervals to prevent overheating and other malfunction. HB-20R Guitar Combo...
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The plasticiser contained in the rubber feet of this product may possibly react with the coating of your surface and after some time cause permanent dark stains. In case of doubt, do not put the rubber feet directly on the surface and use a suitable underlay if neces‐ sary, i.e. felt pads or similar. HB-20R Guitar Combo...
Features Features Special features of the device Output power 20 watt 8" speaker Overdrive switch Built-in reverb effect 3-band equalizer Aux input Headphones output Line output Standby function HB-20R Guitar Combo...
Take care when running the cables to prevent tripping hazards. 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. HB-20R Guitar Combo...
Connections and controls Connections and controls ö & HB-20R Guitar Combo...
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(LED green). As soon as the device receives a signal again at the instruments input [INPUT], the device automatically switches back to normal mode (LED red). 14 Power cord HB-20R Guitar Combo...
Signal-to-noise ratio 75 dB Total harmonic distortion (THD) 0.5% (Clean-Sound) Power consumption max. 40 W Supply voltage 230 V 50 Hz Dimensions (W × H × D) 380 mm × 340 mm × 175 mm Weight 7 kg HB-20R Guitar Combo...
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Temperature range 0 °C…40 °C Relative humidity 20 %…80 % (non-condensing) Further information Channels Reverb Effects processor External effects loop Line input Recording output MIDI port External speaker connector Headphone connection Foot switch connector Incl. foot switch HB-20R Guitar Combo...
‘Ground’ and ‘Signal’, in a balanced transmission a second core is added. This also transfers the signal, but phase-shifted by 180°. Since the interference affects both cores equally, by subtracting the phase-shifted signals, the interfering signal is completely neutralized. The result is a pure signal without any noise inter‐ ference. HB-20R Guitar Combo...
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Plug and connection assignment 1/4" TS phone plug (mono, unbalanced) Signal Ground, shielding Three-pole 1/8" mini phone jack (stereo, unbalanced) Signal (left) Signal (right) Ground, shielding HB-20R Guitar Combo...
Dispose of this device through an approved waste disposal firm 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. HB-20R Guitar Combo...
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