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Summary of Contents for boXem Arthur 4222/E1
- Page 1 Arthur 4222/E1 Mono Power Amplifier User Manual PLEASE READ BEFORE OPERATING THE UNIT...
- Page 2 Thank you for having chosen a power amplifier designed and built by boXem in Luxembourg, in the heart of Europe. At boXem, our mission is to bring to your ears the music as the artists wanted it to be. Nothing is added, nothing is removed. This is achieved thanks to a careful selection of technologies, rigorous processes during development and manufacturing, and tireless attention to detail.
- Page 3 Arthur 4222/E1 User Manual History Version Date Content Autor 20-August-22 First version...
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Page 4: Table Of Contents
Arthur 4222/E1 User Manual Table of content Important Safety Instructions ......................... 5 Connections & Controls ........................... 7 Rear ..............................7 Front ..............................7 Set-up ..............................8 Installation ............................8 Connections ............................8 AC power input ..........................8 Input connection ..........................8 Output connection .......................... -
Page 5: Important Safety Instructions
En caso de duda, póngase en contacto con boXem. Si lo solicita, se le enviará una traducción. Throughout this document, some aspects of operation that have a potential impact on safety or reliability are noted with the words “Warning”... - Page 6 Arthur 4222/E1 User Manual 15. CAUTION: Do not install near any heat sources such as radiators, heat registers, stoves, or other apparatus (including amplifiers) that produce heat. Avoid exposure to direct sunlight. 16. Use only with a cart, stand, bracket, or table designed for use with electronic equipment. In any installation, make sure that injury or damage will not result from cables pulling on the apparatus and its mounting.
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Page 7: Connections & Controls
Arthur 4222/E1 User Manual Connections & Controls Rear Function Comment Mains power input IEC C14 socket – Matching IEC C13 plug Mains power switch Output 3 ways binding post Input – Audiosense XLR female or RCA Gain setting switch High = high gain – Mid = low gain – Low = medium gain... -
Page 8: Set-Up
Arthur 4222/E1 User Manual Set-up Installation This product relies on free convection of air along the sides and top for cooling. Avoid placing magazines, books or other objects on top of the product as this acts as thermal insulation. Installation inside a cupboard is permissible provided at least 30cm (12”) of free space above the product and 10cm (4”) around the sides is respected. -
Page 9: 12V Trigger
Arthur 4222/E1 User Manual 12V Trigger Connect a 3.5mm jack cable, such as the cable supplied with your power amplifier, between the trigger OUT of your preamp or DAC to the trigger IN of the amplifier. Any standard 3.5mm jack/jack cable will do (mono or stereo). -
Page 10: Operation
Arthur 4222/E1 User Manual Operation Powering on and off The mains power switch (2) shall be used for powering the amplifier and completely switching it off. Using the mains power switch to switch off the amplifier after listening to music is not mandatory since the audiosense function will take care of it. -
Page 11: Troubleshooting
Arthur 4222/E1 User Manual Troubleshooting Most difficulties in audio systems are the result of incorrect connections, or improper control settings. If you encounter problems, isolate the area of the difficulty, check the control settings, determine the cause of the fault and make the necessary changes. If you are unable to get sound... -
Page 12: Audio Performance Data
Arthur 4222/E1 User Manual Audio performance data Item Typical value Unit Comment Maximum power In 8 Ω - measured with 230V mains THD+N < 0.001 1 – 100W 20 – 20000Hz 126 – 126 – 124 Low – medium – high gain Residual noise 16 –... -
Page 13: Technical Data
Arthur 4222/E1 User Manual Technical data Item Value Comment Supply voltage 1 180 – 264 VAC 47 – 60 Hz Pending market Supply voltage 2 90 – 132 VAC 47 – 60 Hz Pending market Power consumption 1350 – 12.5 – <0.5 W Maximum –...
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