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PA 3

power amplifier

user manual

Summary of Contents for Swissonic PA 3

Page 1: ...PA 3 power 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 03 03 2017 ID 382062...

Page 3: ...conventions 6 1 3 Symbols and signal words 6 2 Safety instructions 8 3 Features 15 4 Installation and starting up 16 5 Connections and controls 21 6 Technical specifications 26 7 Plug and connection a...

Page 4: ...s 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 m...

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: ...or 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 symbol...

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: ...ed 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 with sufficient phys...

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: ...o may result in electric shock and risk of fire and loss of life By all means you have to observe all electrical safety instructions applicable at the place of operation DANGER Electric shock caused b...

Page 11: ...aring impairment Do not operate the device permanently at a high volume level Decrease the volume level immediately if you experience ringing in your ears or hearing impairment NOTICE Risk of fire Do...

Page 12: ...ting 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...

Page 13: ...above and below the power amplifier Therefore never place sensitive devices such as pre amplifiers radio transmission systems or tape decks directly above or below the power amplifier When installing...

Page 14: ...you use an external battery for power supply connect the power cord to the screw terminal on the rear panel first Then connect the free ends of the cables to the battery poles Pay attention to the po...

Page 15: ...lanced RCA sockets screw terminals n Outputs Screw terminals for loudspeakers optionally in 4 70 V or 100 V technology Line output for connecting additional power stages XLR unbalanced 1 4 phone socke...

Page 16: ...bration dust and moisture during transportation or storage use the original packaging or your own packaging material suitable for transport or storage respectively Create all connections while the dev...

Page 17: ...ree condition Failure to do so may result in electric shock and risk of fire and loss of life By all means you have to observe all electrical safety instructions applicable at the place of operation D...

Page 18: ...below the power amplifier Therefore never place sensitive devices such as pre amplifiers radio transmission systems or tape decks directly above or below the power amplifier When installing the power...

Page 19: ...lowable impedance of the amp s output for this model 4 If you want to connect multiple speakers to the amplifier output note the following n when connecting speakers in series the impedances add up n...

Page 20: ...Before connecting ensure that the cable cross sections are sufficient The device has been designed for rack mounting in a standard 19 inch rack it occupies two rack units DC connection Rack mounting...

Page 21: ...5 Connections and controls Front panel Connections and controls PA 3 21...

Page 22: ...fective CLIP Lights up when the channel is overdriven In this case use the INPUT GAIN control to reduce the signal level until the LED goes out again SIGNAL Indicates the presence of an input signal T...

Page 23: ...Rear panel Connections and controls PA 3 23...

Page 24: ...e selector on the bottom of the unit is in the correct position Should the fuse have blown disconnect the unit from the power supply and replace the fuse with a new fuse of the same type 5 OUTPUT Loud...

Page 25: ...the device 8 LINK Line level outputs for connecting additional devices e g amplifiers recording devices or active speakers designed as RCA sockets XLR chassis socket screw terminals and 1 4 socket 9 M...

Page 26: ...80 dB 0 dB Signal to noise ratio 85 dB Total harmonic distortion 50 of maximum output power 1 Voltage supply AC 110 230 V 50 Hz or 24 V Fuse 110 V 5 mm 20 mm 10 A 250 V slow blow 230 V 5 mm 20 mm 5 A...

Page 27: ...nductors 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 transmiss...

Page 28: ...interfering signal is completely neutralized The result is a pure signal without any noise inter ference 1 Signal 2 Ground shielding 1 Ground shielding 2 Signal in phase 3 Signal out of phase 1 4 TS...

Page 29: ...Drawing and table indicate the pin assignment of an RCA plug 1 Signal 2 Ground shielding RCA connection Plug and connection assignment PA 3 29...

Page 30: ...d on a regular basis to remove dust and dirt Before cleaning switch off the device and disconnect AC powered devices from the mains Use a lint free damp cloth for cleaning Never use solvents or alcoho...

Page 31: ...ing Please follow the notes and markings on the packaging This product is subject to the European Waste Electrical and Electronic Equipment Directive WEEE Do not dispose with your normal household was...

Page 32: ...Notes power amplifier 32...

Page 33: ...Notes PA 3 33...

Page 34: ...Notes power amplifier 34...

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

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