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Summary of Contents for Harley Benton Block-300B
- Page 1 Block-300B Bass Head...
- Page 2 Thomann GmbH Hans-Thomann-Straße 1 96138 Burgebrach Germany Telephone: +49 (0) 9546 9223-0 Internet: www.thomann.de 21.10.2022, ID: 497726 (V2)
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Page 3: Table Of Contents
1.2 Notational conventions........................6 1.3 Symbols and signal words....................... 7 Safety instructions............................. 9 Features............................... 12 Installation and starting up........................ 13 Connections and operating elements................... 14 Technical specifications........................18 Plug and connection assignment....................21 Protecting the environment......................24 Block-300B Bass Head... - Page 4 Block-300B Bass Head...
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Page 5: General Information
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. Block-300B Bass Head... -
Page 6: Further Information
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: Block-300B Bass Head... -
Page 7: Symbols And Signal Words
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. Block-300B Bass Head... - Page 8 General information Warning signs Type of danger Warning – high-voltage. Warning – danger zone. Block-300B Bass Head...
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Page 9: Safety Instructions
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. Block-300B Bass Head... - Page 10 (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. Block-300B Bass Head...
- Page 11 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. Block-300B Bass Head...
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Page 12: Features
Class-D ICE power amp 5-band equalizer D.I. output with pre / post & lift / ground switch Input sensitivity switchable for active or passive basses Line input with volume control for rehearsing Headphones output Gigbag optionally available (item no. 194575) Block-300B Bass Head... -
Page 13: Installation And Starting Up
Create all connections while the device is off. Use the shortest possible high-quality cables for all connections. Take care when running the cables to prevent tripping hazards. Block-300B Bass Head... -
Page 14: Connections And Operating Elements
Connections and operating elements Connections and operating elements Front panel ö & Block-300B Bass Head... - Page 15 [HI] position, otherwise the input level will not be sufficient to fully drive the amplifier. When using active instruments, this switch should be in the [LOW] position, otherwise clipping and thus a pre-stage overload can easily occur, resulting in very disturbing-sounding distortions. 10 [IN] | 1/4" jack socket to connect an electric bass Block-300B Bass Head...
- Page 16 Connections and operating elements Rear panel USE ONLY WITH A 250 V FUSE Block-300B Bass Head...
- Page 17 [LIFT] position (released), the device ground is disconnected. This can possibly eliminate noise caused by ground loops, that may occur when connecting the device to other grounded equipment. In [GND] position (pressed), the device ground is connected. 17 Mains switch. Turns the device on and off. Block-300B Bass Head...
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Page 18: Technical Specifications
Speaker max. 300 W , 4 Ω minimum load Input connections Power supply IEC chassis plug C14 Instrument 1 × 1/4" jack socket Line 1 × 3.5 mm jack socket Output connections Speaker 1 × Speaker Twist Block-300B Bass Head... - Page 19 5 mm × 20 mm, 4 A, 250 V, slow-blow Dimensions (W × H × D) 200 mm × 80 mm × 200 mm Weight 1.55 kg Ambient conditions Temperature range 0 °C…40 °C Relative humidity 20 %…80 % (non-condensing) Block-300B Bass Head...
- Page 20 Technical specifications Further information Gigbag optional (item no. 194575) Compressor Limiter Effects processor External effects loop Rack format Block-300B Bass Head...
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Page 21: Plug And Connection Assignment
‘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. Block-300B Bass Head... - Page 22 1/4" TS phone plug (mono, unbalanced) Signal Ground, shielding 1/4" TRS phone plug (mono, bal‐ anced) Signal (in phase, +) Signal (out of phase, –) Ground Three-pole 1/8" mini phone jack (stereo, unbalanced) Signal (left) Signal (right) Ground, shielding Block-300B Bass Head...
- Page 23 Plug and connection assignment XLR plug (balanced) Ground, shielding Signal (in phase, +) Signal (out of phase, –) Shielding on plug housing (option) Block-300B Bass Head...
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Page 24: Protecting The Environment
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. Block-300B Bass Head... - Page 25 Notes Block-300B Bass Head...
- Page 26 Notes Block-300B Bass Head...
- Page 28 Musikhaus Thomann · Hans-Thomann-Straße 1 · 96138 Burgebrach · Germany · www.thomann.de...
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