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Summary of Contents for thomann Harley Benton Block-300B
- Page 1 Block-300B bass head user manual...
- Page 2 Musikhaus Thomann Thomann GmbH Hans-Thomann-Straße 1 96138 Burgebrach Germany Telephone: +49 (0) 9546 9223-0 E-mail: info@thomann.de Internet: www.thomann.de 19.01.2021, ID: 497726...
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Page 3: Table Of Contents
Table of contents Table of contents General information..........................4 1.1 Further information........................... 5 1.2 Notational conventions........................6 1.3 Symbols and signal words....................... 6 Safety instructions............................. 8 Features............................... 13 Installation and starting up........................ 14 Connections and operating elements................... 15 Technical specifications........................21 Plug and connection assignment.................... -
Page 4: General Information
General information 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. -
Page 5: Further Information
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. -
Page 6: Notational Conventions
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. 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 7 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. 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.
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Page 8: Safety Instructions
Safety instructions Safety instructions Intended use This device is intended to be used for the amplification of signals from musical instruments with electromagnetic pickups. 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. - Page 9 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 10 Safety instructions 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.
- Page 11 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. NOTICE! Operating conditions This device has been designed for indoor use only. To prevent damage, never expose the device to any liquid or moisture.
- Page 12 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.
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Page 13: Features
Features Features This powerful bass head is characterized by the following special features: Compact, lightweight design Output power: 300 watt @ 4 Ω 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... -
Page 14: Installation And Starting Up
Installation and starting up Installation and starting up 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. -
Page 15: Connections And Operating Elements
Connections and operating elements Connections and operating elements Front panel Block-300B... - Page 16 Connections and operating elements 1 [INPUT] Preamp volume control. If the [CLIP] LED lights up red, this controller must be turned counter-clockwise until the LED turns green again. If some EQ band levels have been changed, re-adjusting the [ INPUT] control may be necessary. 2 [CLIP] The LED lights up green when the device is turned on.
- Page 17 Connections and operating elements 7 [LINE] Volume control for the input 8 [EQ] Enables or disables the EQ. Slider control is only possible if the EQ is enabled. 9 [HI/LOW] Switch for the sensitivity and impedance of the [IN]. When using passive instruments, this switch should be in the [HI] position (not pressed), otherwise the input level is not sufficient to fully drive the amplifier.
- Page 18 Connections and operating elements Rear panel bass head...
- Page 19 Connections and operating elements 11 [POWER] IEC chassis plug for mains connection with fuse holder 12 [D.I.] Balanced direct-output with MIC level for connection to a mixer, directly to a PA system or for recording 13 [SPEAKER OUT] Speakon speaker output for connecting suitable speaker boxes. The overall impedance of the connected load must not fall below 4 Ω.
- Page 20 Connections and operating elements 16 [LIFT/GND] This switch disconnects or connects the ground potential of the DI output and the device ground. In [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.
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Page 21: Technical Specifications
Technical specifications Technical specifications Amp class Class-D ICE Input impedance High 1.5 MΩ 32 kΩ Line 60 kΩ Output impedance D.I. 470 Ω (balanced) Frequency bands Bass 50 Hz +/– 10 dB Lower mids 180 Hz +/– 10 dB Mids 660 Hz +/–... - Page 22 Technical specifications Total harmonic distortion (THD) < 0.5 % Power consumption 390 W Operating supply voltage 100 - 240 V 50/60 Hz Fuse 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...
- Page 23 Technical specifications Effects processor External effects loop Rack format Block-300B...
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Page 24: Plug And Connection Assignment
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 25 Plug and connection assignment 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. 1/4" TS phone plug (mono, unbalanced) Signal Ground, shielding 1/4"...
- Page 26 Plug and connection assignment Three-pole 1/8" mini phone jack (stereo, unbalanced) Signal (left) Signal (right) Ground, shielding XLR plug (balanced) Ground, shielding Signal (in phase, +) Signal (out of phase, –) Shielding on plug housing (option) bass head...
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Page 27: Protecting The Environment
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. - Page 28 Notes bass head...
- Page 29 Notes Block-300B...
- Page 30 Notes bass head...
- Page 32 Musikhaus Thomann · Hans-Thomann-Straße 1 · 96138 Burgebrach · Germany · www.thomann.de...
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I need the harley benton block 300b output gain curve please.