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thomann MBA75W MKII User Manual Download Page 47

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

 

 

MBA75W MKII

47

Summary of Contents for MBA75W MKII

Page 1: ...MBA75W MKII mobile PA system user manual...

Page 2: ...Musikhaus Thomann Thomann GmbH Hans Thomann Strasse 1 96138 Burgebrach Germany Telephone 49 0 9546 9223 0 E mail info thomann de Internet www thomann de 01 12 2016 ID 234801...

Page 3: ...s and signal words 8 2 Safety instructions 10 3 Features 16 4 Installation and starting up 17 4 1 Battery operation 18 4 2 Microphone 18 4 3 Remote control 19 5 Connections and controls 21 6 Technical...

Page 4: ...9 Protecting the environment 51 Table of contents mobile PA system 4...

Page 5: ...ons 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...

Page 6: ...rd 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 Pe...

Page 7: ...and values displayed on the device are marked by quotation marks and italics Examples 24ch OFF References to other locations in this manual are identified by an arrow and the specified page number In...

Page 8: ...te dangerous situation that will 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...

Page 9: ...Warning signs Type of danger Warning high voltage Warning danger zone General notes MBA75W MKII 9...

Page 10: ...ical 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 responsible f...

Page 11: ...vice if covers protectors or optical components are missing or damaged DANGER Electric shock caused by short circuit Always use proper ready made insulated mains cabling power cord with a pro tective...

Page 12: ...l can cause hearing damage Decrease the volume level immediately if you experience ringing in your ears or hearing impairment If this is not possible keep a greater distance or use suffi cient ear pro...

Page 13: ...ould result in damage to the device and possibly injure the user Unplug the device before electrical storms occur and when it is unused for long periods of time to reduce the risk of electric shock or...

Page 14: ...p discharge can cause batteries to become permanently damaged or lose some of their capacity Before prolonged rest periods charge the batteries to around 50 of their capacity and then switch the equip...

Page 15: ...homann de n When operating make sure that transmitter and receiver are set to the same channel n Never set more than one transmitter to the same channel n Make sure that no metal objects are located b...

Page 16: ...W RMS n Frequency response 50 Hz 18 kHz 3 dB n Integrated UHF receiver for the supplied UHF wireless microphone 16 channels selectable n Built in cassette recorder CD player MP3 playback USB port and...

Page 17: ...aterial suitable 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 cable...

Page 18: ...power supply with the two installed rechargeable lead gel batteries 12 V 5 Ah 4 2 Microphone Use only LR6 AA 1 5 V batteries or rechargeable Ni MH batteries nickel metal hydride Note the correct polar...

Page 19: ...he side downwards and then pull the battery holder out When inserting the battery in the battery holder the positive terminal must point upwards Slide the battery holder with the bat tery inserted bac...

Page 20: ...Installation and starting up mobile PA system 20...

Page 21: ...5 Connections and controls Rear view overview Connections and controls MBA75W MKII 21...

Page 22: ...Partial view A Connections and controls mobile PA system 22...

Page 23: ...3 LINE IN VOL Volume control for the external line input 4 LINE IN 6 35 mm jack audio input for amplifying external audio signals with line level 5 LINE IN R L Cinch audio input for amplifying extern...

Page 24: ...7 MIC IN 1 Microphone input 6 35 mm jack 8 XLR MIC IN 2 XLR microphone input symmetrical Connections and controls mobile PA system 24...

Page 25: ...Partial view B Connections and controls MBA75W MKII 25...

Page 26: ...the segments are lit up the battery is fully charged If only a few segments are lit up this shows the respective level of discharge If the display for the mains power supply flashes green the battery...

Page 27: ...me microphone and CD cassette 14 BASS To adjust the bass level 15 TREBLE To adjust the treble level 16 OFF ON Main switch to turn the device on and off 17 Mains connection socket with fuse holder Conn...

Page 28: ...Partial view C Connections and controls mobile PA system 28...

Page 29: ...press continues playback or recording 20 ST EJ A single press stops playback recording or winding A second press opens the cassette compartment cover 21 F FWD Winds the tape onto the right hand reel 2...

Page 30: ...23 PLAY Starts playback of the audio track 24 REC Activates the recording function Also press PLAY to start recording Connections and controls mobile PA system 30...

Page 31: ...Partial view D Connections and controls MBA75W MKII 31...

Page 32: ...utton pressed for 2 seconds 27 MODE Press this button to change the operating mode CD USB Memory card 28 STOP EJ Press this button to stop playback Press this button again to have the device eject the...

Page 33: ...east two seconds to display the information saved in the MP3 file about the track currently playing 34 RAN ENT This button allows you to start playing all tracks in a random order Press the button aga...

Page 34: ...s it again 37 IR The infra red receiver for the remote control signals 38 USB Connect USB storage media here 39 Display Displays the CD playback status with the track number and running time Connectio...

Page 35: ...Partial view E Connections and controls MBA75W MKII 35...

Page 36: ...device is switched on this display lights up 42 AF AF signal display The red LED AF lights up if the microphone signal is being received 43 RF RF signal display The yellow LED RF lights up if the dev...

Page 37: ...45 UP To select the next channel up 46 DOWN To select the next channel down Connections and controls MBA75W MKII 37...

Page 38: ...Remote control Connections and controls mobile PA system 38...

Page 39: ...e tracks you have selected in this manner press PLAY PAUSE To interrupt playback press PROG twice 4 RAN This button allows you to start playing all tracks in a random order Press the button again to p...

Page 40: ...yback 9 Mutes the output or un mutes it again 10 ENTER Confirms an input 11 A B Repeat a passage Press this button during playback This marks the start of the passage At the end of the passage to be r...

Page 41: ...13 Fast forward or rewind 14 FOLDER This button allows you to select the next folder for playback Connections and controls MBA75W MKII 41...

Page 42: ...partment Insert 2 1 5 V batteries here 4 Channel switch Select the required transmission channel 5 Battery status display This display flashes red if the batteries are almost flat 6 On off switch Swit...

Page 43: ...phone socket for line input 2 RCA sockets for additional signal input e g for CD players or similar line level devices Outputs 1 1 4 phone socket for line output 1 1 4 phone socket for speaker output...

Page 44: ...dB Transmission power of the wireless microphone approx 10 mW THD 0 5 General Voltage supply 230 V 50 Hz 2 12 V lead gel rechargeable batteries each 5 Ah maintenance free Fuse 5 mm 20 mm 5 A 250 V sl...

Page 45: ...Dimensions W H D 330 mm 440 mm 240 mm Weight 13 kg Technical specifications MBA75W MKII 45...

Page 46: ...rs 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 47: ...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...

Page 48: ...t 2 Signal right 3 Ground shielding 1 Ground shielding 2 Signal in phase 3 Signal out of phase Three pole 1 8 mini phone jack stereo unbalanced XLR plug balanced Plug and connection assignment mobile...

Page 49: ...Drawing and table indicate the pin assignment of an RCA plug 1 Signal 2 Ground shielding RCA connection Plug and connection assignment MBA75W MKII 49...

Page 50: ...nts n Clean with a dry soft cloth n Stubborn dirt can be removed with a slightly dampened cloth n Never use solvents or alcohol for cleaning The fan grids of the device must be cleaned on a regular ba...

Page 51: ...hold waste but make sure that they are fed to a recovery Please follow the notes and markings on the packaging Batteries must not be disposed of as domestic waste or thrown into fire Dispose of the ba...

Page 52: ...sehold waste Dispose this device through an approved waste disposal firm or through your local waste facility When discarding the device comply with the rules and regulations that apply in your countr...

Page 53: ...Notes MBA75W MKII 53...

Page 54: ...Notes mobile PA system 54...

Page 55: ......

Page 56: ...Musikhaus Thomann Hans Thomann Stra e 1 96138 Burgebrach Germany www thomann de...

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