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thomann swissonic A305, User Manual

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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 (in phase, +)

2

Signal (out of phase, –)

3

Ground

1/4" TRS phone plug (mono, bal‐

anced)

Plug and connection assignment

 

 

active studio monitor

32

Summary of Contents for swissonic A305

Page 1: ...A305 A306 A308 active studio monitor 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 23 03 2022 ID 488068 V2...

Page 3: ...tions 6 1 3 Symbols and signal words 6 2 Safety instructions 9 3 Features 13 4 Installation 15 5 Connections and operating elements 17 6 Technical specifications 24 7 Plug and connection assignment 31...

Page 4: ...s available to all persons using this device If you sell the device to another user be sure that they also receive this manual Our products and user manuals are subject to a process of continuous deve...

Page 5: ...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 Pers...

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 a...

Page 7: ...ion that can 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 i...

Page 8: ...Warning signs Type of danger Warning suspended load Warning danger zone General information active studio monitor 8...

Page 9: ...fficient physical sensorial and intellectual abilities and having corresponding knowledge and experience Other persons may use this device only if they are supervised or instructed by a person who is...

Page 10: ...sult in electric shock death or fire If in doubt seek advice from a registered electrician CAUTION Possible hearing damage The device can produce volume levels that may cause temporary or permanent he...

Page 11: ...smoke nicotine fog etc the unit should be maintained by qualified service personnel at regular intervals to prevent overheating and other malfunction NOTICE Power supply Before connecting the device...

Page 12: ...ossibly react with the coating of your surface and after some time cause permanent dark stains In case of doubt do not put the rubber feet directly on the surface and use a suitable underlay if neces...

Page 13: ...Bi amping amplifier class D A305 item no 488068 80 Watt 50 30 A306 item no 525839 100 Watt 50 50 A308 item no 525840 100 Watt 50 50 n Inputs XLR panel socket jack socket RCA socket n Switch for adapti...

Page 14: ...n 8 DIP switches for boundary compensation EQs LF and HF trim and for adjusting the input sensitivity Features active studio monitor 14...

Page 15: ...for transport or storage respectively Create all connections while the device is off Use the shortest possible high quality cables for all connections Take care when running the cables to prevent tri...

Page 16: ...e to devices that can be adversely affected or damaged by an external magnetic field NOTICE Use of stands When mounting the device onto a stand ensure that the stand is in a safe and stable position a...

Page 17: ...5 minutes it switches to standby mode The control LED on the front panel then lights up red As soon as the speaker box receives a signal it switches back to normal mode and the LED will turn blue Cont...

Page 18: ...Rear side A305 item no 488068 Connections and operating elements active studio monitor 18...

Page 19: ...Rear side A306 item no 525839 A308 item no 525840 Connections and operating elements A305 A306 A308 19...

Page 20: ...depending on the installation type using the DIP switches 1 3 Position 1 On stands Away from walls The speaker is on a monitor stand at least 0 5 m away from any walls This is the ideal position for t...

Page 21: ...The speaker is on a desk or table and is as close to a wall as possible without pinching any cables 7 Low Freq Trim DIP switches 4 and 5 The LF trim can add or subtract 2 dB from the low frequency re...

Page 22: ...using the DIP switches 1 3 beyond what is offered by the boundary com pensation EQs 6 Switch down HF trim disabled Switch up HF trim enabled 7 Switch down 2 dB in high frequencies Switch up 2 dB in hi...

Page 23: ...h up 10 dBV when using the RCA unbalanced input 10 Power Mains switch Turns the device on and off 11 IEC chassis plug for power supply with fuse holder Connections and operating elements A305 A306 A30...

Page 24: ...socket unbalanced 1 1 4 jack socket balanced Power supply IEC chassis plug C14 Input impedance 20 k balanced 10 k unbalanced Input sensitivity 320 mV pink noise 103 dB SPL in 1 m distance volume cont...

Page 25: ...cy 3 0 kHz Signal to noise ratio 103 dB Power consumption 100 W Supply voltage 100 240 V 50 60 Hz Fuse 5 mm 20 mm 1 6 A 250 V slow blow Dimensions W H D 185 mm 231 mm 298 mm Weight 4 4 kg Ambient cond...

Page 26: ...supply IEC chassis plug C14 Input impedance 20 k balanced 10 k unbalanced Input sensitivity 320 mV pink noise 103 dB SPL in 1 m distance volume control at 100 Output power Bass mid range amp 50 W Tre...

Page 27: ...3 dB Power consumption 120 W Supply voltage 100 240 V 50 60 Hz Fuse 5 mm 20 mm 1 6 A 250 V slow blow Dimensions W H D 224 mm 282 mm 361 mm Weight 6 17 kg Ambient conditions Temperature range 0 C 40 C...

Page 28: ...supply IEC chassis plug C14 Input impedance 20 k balanced 10 k unbalanced Input sensitivity 320 mV pink noise 103 dB SPL in 1 m distance volume control at 100 Output power Bass mid range amp 50 W Treb...

Page 29: ...3 dB Power consumption 120 W Supply voltage 100 240 V 50 60 Hz Fuse 5 mm 20 mm 1 6 A 250 V slow blow Dimensions W H D 254 mm 308 mm 419 mm Weight 8 69 kg Ambient conditions Temperature range 0 C 40 C...

Page 30: ...etic shielding No Analogue mini jack input No Digital input No Manual frequency correction Yes Housing design bass tuning Bass reflex Further information Technical specifications active studio monitor...

Page 31: ...ors 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 i...

Page 32: ...phase shifted signals the interfering signal is completely neutralized The result is a pure signal without any noise inter ference 1 Signal in phase 2 Signal out of phase 3 Ground 1 4 TRS phone plug m...

Page 33: ...hase 3 Signal out of phase 4 Shielding on plug housing option Drawing and table indicate the pin assignment of an RCA plug 1 Signal 2 Ground shielding XLR plug balanced RCA connection Plug and connect...

Page 34: ...e power switch No sound 1 Check the position of the volume control 2 Check the correct connection of the signal cables 3 Check the signal cables and or the signal source 4 Try using another signal cab...

Page 35: ...ke sure that all audio devices are connected to the same power circuit and thus share the same ground ref erence If the procedures recommended above do not succeed please contact our Service Center Yo...

Page 36: ...tes 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 househ...

Page 37: ...Notes A305 A306 A308 37...

Page 38: ...Notes active studio monitor 38...

Page 39: ......

Page 40: ...Musikhaus Thomann Hans Thomann Stra e 1 96138 Burgebrach Germany www thomann de...

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