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swissonic Headamp 4, User Manual

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swissonic Headamp 4 User Manual Download Page 31

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

Signal

2

Ground, shielding

1

Signal (in phase, +)

2

Signal (out of phase, –)

3

Ground

1/4" TS phone plug (mono,

unbalanced)

1/4" TRS phone plug (mono, bal-

anced)

Plug and connection assignment

 

 

Headamp 4, Headamp 8

31

Summary of Contents for Headamp 4

Page 1: ...Headamp 4 Headamp 8 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 13 06 2018 ID 437349 437354...

Page 3: ...onventions 6 1 3 Symbols and signal words 6 2 Safety instructions 8 3 Features 13 4 Installation and starting up 15 5 Connections and controls 17 6 Technical specifications 27 7 Plug and connection as...

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: ...arch 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 Persona...

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: ...n 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 sible dange...

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: ...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 areas where...

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: ...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 Av...

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: ...et stereo n Outputs 1 Main Out XLR and 1 4 phone socket stereo 4 headphones 1 4 phone socket stereo on front and rear side n Mute function separately switchable for the left and right channel n Each h...

Page 14: ...t stereo n Outputs 2 Main Out 1 4 phone socket 8 headphones 1 4 phone socket stereo on front and rear side n Switch for input selection for each output channel n Each headphones channel separately swi...

Page 15: ...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 16: ...The following overview symbolically shows how you can integrate the device in your setup Connection example Installation and starting up headphone amplifier 16...

Page 17: ...5 Connections and controls Headamp 4 item no 437349 front side Connections and controls Headamp 4 Headamp 8 17...

Page 18: ...he signal at the main input 3 MAIN LEVEL Volume control for the signals at the inputs MAIN IN and DIRECT IN 4 dB Level display for each headphones channel The LED CLIP red indicates overload clipping...

Page 19: ...input the signal is mixed with the signal at each headphones output 9 10 BASS TREBLE Tone control for bass and treble for each headphones output 11 BALANCE Pan control for each headphones output 12 OU...

Page 20: ...Headamp 4 item no 437349 rear side Connections and controls headphone amplifier 20...

Page 21: ...d headphones outputs stereo for each channel designed as 1 4 phone sockets 17 MAIN OUT R MAIN OUT L Outputs for the sum signal designed as XLR chassis plugs These outputs are suitable for connecting a...

Page 22: ...Headamp 8 item no 437354 front side Connections and controls headphone amplifier 22...

Page 23: ...nd MAIN IN2 4 dB Level display for each headphones channel The LED CLIP red indicates overload clipping In this case the level of the input signal is too high 5 STEREO MONO Pushbutton for toggling bet...

Page 24: ...ONES OUT Headphones outputs 1 4 phone socket stereo 8 OUTPUT LEVEL Volume control for each headphones output 9 POWER Main switch Turns the device on and off Connections and controls headphone amplifie...

Page 25: ...Headamp 8 item no 437354 rear side Connections and controls Headamp 4 Headamp 8 25...

Page 26: ...ADPHONE OUT 8 Headphones outputs stereo for each channel designed as 1 4 phone sockets 14 MAIN OUT 1 R MAIN OUT 1 L MAIN OUT 2 R MAIN OUT 2 L Outputs for the sum signal 1 or 2 designed as 1 4 phone so...

Page 27: ...1 4 phone sockets Impedance 5 k Input level 22 dBu max Headphones outputs 1 4 phone socket stereo Max output level 24 dBm at 100 21 dBm at 80 Output impedance 8 min Line outputs XLR sockets 1 4 phone...

Page 28: ...0 mm 0 5 A 250 V slow blow Dimensions W H D 482 mm 44 mm 1 rack unit 220 mm Weight 4 5 kg Audio inputs 1 4 phone sockets Impedance 40 k balanced 20 k unbalanced Input level 16 dBu max AUX inputs 1 4 p...

Page 29: ...ne sockets Frequency range 10 Hz 80 kHz 2 dB Distortion 0 006 4 dBu 1 kHz Signal to noise ratio SNR 100 dB 22 Hz 22 kHz Operating supply voltage 115 230 V 50 60 Hz Power consumption 11 5 W Fuse 5 mm 2...

Page 30: ...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 31: ...rfering signal is completely neutralized The result is a pure signal without any noise inter ference 1 Signal 2 Ground shielding 1 Signal in phase 2 Signal out of phase 3 Ground 1 4 TS phone plug mono...

Page 32: ...1 Ground shielding 2 Signal in phase 3 Signal out of phase 4 Shielding on plug housing option XLR plug balanced Plug and connection assignment headphone amplifier 32...

Page 33: ...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 34: ...Notes headphone amplifier 34...

Page 35: ......

Page 36: ...Musikhaus Thomann Hans Thomann Stra e 1 96138 Burgebrach Germany www thomann de...

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