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Related Manuals for thomann Harley Benton PA-250
Summary of Contents for thomann Harley Benton PA-250
- Page 1 PA-250 power attenuator 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 18.01.2021, ID: 510412...
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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 Connections and controls........................14 Technical specifications........................18 Plug and connection assignment....................20 Cleaning............................... -
Page 4: 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. power attenuator... -
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 used to attenuate the output level of guitar amps. Use the device only as described in this user manual. Any other use or use under other operating conditions is consid‐ ered to be improper and may result in personal injury or property damage. No liability will be assumed for damages resulting from improper use. - 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 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 11 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 12 Safety instructions NOTICE! Damages caused by the connection to an enabled amplifier Always connect the device to a disabled amplifier, otherwise the amplifier may be damaged. NOTICE! Possible staining The plasticiser contained in the rubber feet of this product may possibly react with the coating of your parquet, linoleum, laminate or PVC floor and after some time cause permanent dark stains.
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Page 13: Features
Features Features Power soak for tube amplifiers, ideal for use in rehearsal rooms, recording studios and on stage. Input power handling: max. 250 Watt 8 Ω option, 16 Ω option Input: Amp Outputs: Mixing console/recording device (low-Z), line, speaker LED as overload indicator Controls: Speaker level, line level, fine level Silent fan PA-250... -
Page 14: Connections And Controls
Connections and controls Connections and controls power attenuator... - Page 15 Connections and controls 1 [BY PASS] Toggle switch for disabling the power reducer. The LED lights. The signal volume is output as if the speaker out is directly connected to the amplifier. 2 [POWER (db)] Rotary control for adjusting the signal volume at the speaker out. Turn the control counter-clockwise to reduce the volume of the output signal in steps of 2…3 dB.
- Page 16 Connections and controls 5 [FINE] Rotary control for adjusting the effective signal volume at the speaker out. The LED lights. Turn the control clockwise to reduce the output signal volume en steps of 4…5 dB up to ‘–∞’ (no sound). If you turn the control to ‘–15’...
- Page 17 Connections and controls 11 [POWER] Input socket for the power adapter 12 [AUX POWER] Status LED. The LED lights when the device is operational and the fan runs. 13 [INPUT FROM AMP] Input socket for connecting an amplifier. The impedance must be set to the same value on the Power Attenuator and on the connected amplifier. Connect the device always to the disconnected amplifier, otherwise the amplifier may be damaged.
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Page 18: Technical Specifications
Technical specifications Technical specifications Max. input power handling 250 watt Inputs Input socket for the power adapter 1 × 1/4" phone socket Input impedance 8 Ω, 16 Ω Outputs 1 × XLR (low-Z) 2 × 1/4" phone socket Power supply External power adapter, 9 - 24 V 50/60 Hz Dimensions (W ×... - Page 19 Technical specifications Further information Noise reduction DI box Speaker simulation Dummy Load (operation without box) PA-250...
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Page 20: 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 21 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 22 Plug and connection assignment XLR plug (balanced) Ground, shielding Signal (in phase, +) Signal (out of phase, –) Shielding on plug housing (option) power attenuator...
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Page 23: Cleaning
Cleaning Cleaning Device parts Clean the externally accessible device parts regularly. The frequency of cleaning depends on the operating environment: wet, smoky or particularly dirty surroundings can cause more accumulation of dirt on the device parts. Clean with a soft dry cloth. Stubborn stains may be removed with a slightly damp cloth. -
Page 24: 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 25 Notes PA-250...
- Page 26 Notes power attenuator...
- Page 28 Musikhaus Thomann · Hans-Thomann-Straße 1 · 96138 Burgebrach · Germany · www.thomann.de...
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