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Block-800B
bass head
user manual

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Summary of Contents for Harley Benton Block-800B

  • Page 1 Block-800B bass head user manual...
  • Page 2 Musikhaus Thomann Thomann GmbH Hans-Thomann-Straße 1 96138 Burgebrach Deutschland Telephone: +49 (0) 9546 9223-0 E-mail: info@thomann.de Internet: www.thomann.de 08.03.2018, ID: 424520 (V2)
  • Page 3: Table Of Contents

    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........................22 Plug and connection assignment....................24 Protecting the environment......................27 Block-800B...
  • 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

    Our online guides provide detailed information on technical basics Online guides and terms. 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. Block-800B...
  • 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 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. Block-800B...
  • 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 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. Block-800B...
  • 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 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. Avoid direct sunlight, heavy dirt, and strong vibrations. Block-800B...
  • 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.
  • Page 13: Features

    4-band EQ Smart compressor D.I. output with pre / post & lift / ground switch Input sensitivity switchable for active or passive basses Mute function Tuner output Line input with volume control Headphones output FX loop Speakon speaker outputs Block-800B...
  • 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-800B...
  • Page 16 Connections and operating elements 1 [TUNER OUT] 1/4" phone socket for the permanent connection of a tuner. 2 [POWER | CLIP] The LED lights up green when the device is turned on. It lights up red when the signal is clipping. Then turn the [INPUT] control counter-clockwise until the LED turns green again.
  • Page 17 This switch determines where the DI signal is tapped. In [PRE] position, the signal is tapped before tone control and compressor, in [POST] position behind it. 3.5 mm jack output to connect head phones. 3.5 mm jack input for connecting a line level player, e.g. MP3 player or mobile phone. 12 [LINE IN] Volume control for the input. Block-800B...
  • Page 18 Connections and operating elements 13 [MASTER] Overall volume control. 14 [ON / OFF] On / off switch for the compressor function. 15 [COMP.] Controller for setting the intensity of the compressor function. The use of this function results in fatter sounding depths, reduces signal peaks from hard string attack and increases the sustain of the notes, i.e.
  • Page 19 HIGH position, otherwise the input level will not be sufficient to fully drive the amplifier. When using active instru- ments, 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. 19 [INPUT] 1/4" jack socket to connect an E bass. Block-800B...
  • Page 20 Connections and operating elements Rear panel bass head...
  • Page 21 IEC chassis connector for mains connection with fuse holder. To replace the fuse, carefully take out the fuse holder with a small screwdriver, replace the defective fuse with a new one of the same type and push the fuse holder back in until it snaps into place. 25 Mains switch to turn the device on or off. Block-800B...
  • Page 22: Technical Specifications

    Technical specifications Technical specifications Input impedances [INPUT] HIGH 1.5 MΩ 33 kΩ [RETURN] 22 kΩ [LINE] 22 kΩ Output impedances [SEND] 22 kΩ [D.I.] 420 Ω Sound control Bass 100 Hz ± 12 dB bass head...
  • Page 23 < 0.5 % Fuse 5 mm × 20 mm, 6.3 A, 250 V, slow-blow Operating supply voltage AC 230 V 50 Hz Dimensions (W × H × D) 240 mm × 88 mm × 255 mm Weight 2.9 kg Block-800B...
  • 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 The result is a pure signal without any noise inter- ference. 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 Block-800B...
  • 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...
  • Page 27: 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-800B...
  • Page 28 Notes bass head...
  • Page 29 Notes Block-800B...
  • Page 30 Notes bass head...
  • Page 32 Musikhaus Thomann · Hans-Thomann-Straße 1 · 96138 Burgebrach · Germany · www.thomann.de...

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