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HP4

headphone amplifier

user manual

Summary of Contents for Millenium HP4

Page 1: ...HP4 headphone amplifier user manual...

Page 2: ...Musikhaus Thomann Thomann GmbH Hans Thomann Stra e 1 96138 Burgebrach Germany Telephone 49 0 9546 9223 0 E mail info thomann de Internet www thomann de 04 09 2018 ID 234787 V3...

Page 3: ...conventions 6 1 3 Symbols and signal words 6 2 Safety instructions 8 3 Features 13 4 Installation and starting up 14 5 Connections and controls 15 6 Functions 19 7 Technical specifications 20 8 Plug a...

Page 4: ...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 man...

Page 5: ...yword search Use the search function in the electronic version to find the topics of interest for you quickly Online guides Our online guides provide detailed information on technical basics and terms...

Page 6: ...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...

Page 7: ...mbination of symbol and signal word indicates a pos sible dangerous situation that can result in minor injury if it is not avoided NOTICE This combination of symbol and signal word indicates a pos sib...

Page 8: ...ditions is considered to be improper and may result in personal injury or property damage No liability will be assumed for damages resulting from improper use This device may be used only by persons...

Page 9: ...he like from the unit They could swallow the pieces and choke Never let children unattended use electrical devices DANGER Electric shock caused by high voltages inside Within the device there are area...

Page 10: ...h or fire If in doubt seek advice from a regis tered electrician CAUTION Possible hearing damage With loudspeakers or headphones connected the device can produce volume levels that may cause temporary...

Page 11: ...y 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 moi...

Page 12: ...vice before electrical storms occur and when it is unused for long periods of time to reduce the risk of electric shock or fire NOTICE Possible staining The plasticiser contained in the rubber feet of...

Page 13: ...jack sockets n four signal outputs each with line and headphone jack and individual volume control n low noise linear operational amplifier for transparent sound with maximum headroom at high output...

Page 14: ...use the original packaging or your own packaging material suitable for transport or storage respectively Create all connections while the device is off Use the shortest possible high quality cables f...

Page 15: ...5 Connections and controls Front panel Connections and controls HP4 15...

Page 16: ...TRS phone jack stereo for looping through the input signals to the connected audio equipment 4 INPUT SOURCE Rotary switch for the allocation of four rear panel audio inputs on the front line and headp...

Page 17: ...Rear panel Connections and controls HP4 17...

Page 18: ...ack socket unbalanced For using mono mode connect the signal source to the input of the respective channel For using stereo mode connect the left channel of the signal source to the input of the respe...

Page 19: ...ayed via up to four headphones and or looped through to four more audio devices with line level Moreover thanks to the flexible switch matrix you can use the rotary switch INPUT SOURCE to link or mute...

Page 20: ...trol range 35 dB Headphone outputs 4 6 35mm phone jack stereo Max output level 300 mW RMS 1 W Peak Output impedance 22 Max gain 20 dB Line outputs 4 6 35 mm jack unbalanced parallel Frequency range 20...

Page 21: ...20 dB input Operating supply voltage 115 230 V 50 60 Hz Power consumption 11 5 W Fuse 5 mm 20 mm 0 5 A 230 V fast blow 5 mm 20 mm 1 A 115 V fast blow Dimensions W H D 482 6 mm 44 5 mm 217 mm Weight 3...

Page 22: ...s one core plus shielding are typical representatives of the unbalanced transmission One conductor is ground and shielding while the signal is trans mitted through the core Unbalanced transmission is...

Page 23: ...als the interfering signal is completely neutralized The result is a pure signal without any noise inter ference 1 Signal 2 Ground shielding 1 Signal left 2 Signal right 3 Ground 1 4 TS phone plug mon...

Page 24: ...otes and markings on the packaging This product is subject to the European Waste Electrical and Electronic Equipment Directive WEEE in its currently valid version Do not dispose with your normal house...

Page 25: ...Notes HP4 25...

Page 26: ...Notes headphone amplifier 26...

Page 27: ......

Page 28: ...Musikhaus Thomann Hans Thomann Stra e 1 96138 Burgebrach Germany www thomann de...

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